WorldWideScience

Sample records for diferentes agentes sociales

  1. Estabilidade da polpa de morango atomizada utilizando diferentes agentes carreadores

    Directory of Open Access Journals (Sweden)

    Maria Isabel Sousa Oliveira

    2013-12-01

    Full Text Available Este trabalho teve por objetivo avaliar o efeito de diferentes agentes carreadores (Maltodextrina 5DE, Maltodextrina 10DE, Goma arábica e Capsul® nas características físico-químicas (umidade, densidade, solubilidade, teor de antocianinas e atividade antioxidante da polpa de morango desidratada por atomização e armazenada à temperatura ambiente por 90 dias. A utilização dos diferentes agentes carreadores resultou em pós com valores de densidade aparente entre 0,40 e 0,52 g/cm³ e umidade menor do que 2,5%. Todas as amostras foram altamente solúveis, mas os pós obtidos com a Maltodextrina 5DE e com a Goma arábica apresentaram menor higroscopicidade. As isotermas de sorção obtidas foram do tipo III e o modelo de GAB foi o que melhor se ajustou aos dados experimentais. A amostra produzida com goma arábica apresentou a maior concentração de antocianinas e, consequentemente, maior valor de atividade antioxidante, tanto imediatamente após a secagem como ao longo de 90 dias de armazenamento. Os resultados obtidos indicaram que a goma arábica foi o agente carreador mais adequado para a produção de polpa de morango em pó.

  2. Socially Intelligent Tutor Agents

    NARCIS (Netherlands)

    Heylen, Dirk K.J.; Nijholt, Antinus; op den Akker, Hendrikus J.A.; Vissers, M.; Aylett, R.; Ballin, D.; Rist, T.

    2003-01-01

    Emotions and personality have received quite a lot of attention the last few years in research on embodied conversational agents. Attention is also increasingly being paid to matters of social psychology and interpersonal aspects, for work of our group). Given the nature of an embodied

  3. Believable Social and Emotional Agents.

    Science.gov (United States)

    1996-05-01

    While building tools to support the creation of believable emotional agents, I had to make a number of important design decisions . Before describing...processing systems, it is difficult to give an artist direct control over the emotion - al aspects of the character. By making these decisions explicit, I hope...Woody on “Cheers”). Believable Agents BELIEVABLE SOCIAL AND EMOTIONAL AGENTS 11 Lesson: We don’t want agent architectures that enforce rationality and

  4. Social Robots as Persuasive Agents

    DEFF Research Database (Denmark)

    Vlachos, Evgenios; Schärfe, Henrik

    2014-01-01

    Robots are more and more used in a social context, and in this paper we try to formulate a research agenda concerning ethical issues around social HRI in order to be prepared for future scenarios where robots may be a naturally integrated part of human society. We outline different paradigms to d...... to describe the role of social robots in communication processes with humans, and connect HRI with the topic of persuasive technology in health care, to critically reflect the potential benefits of using social robots as persuasive agents....

  5. Organizations as Socially Constructed Agents in the Agent Oriented Paradigm

    NARCIS (Netherlands)

    G. Boella (Guido); L.W.N. van der Torre (Leon)

    2005-01-01

    htmlabstractIn this paper we propose a new role for the agent metaphor in the definition of the organizational structure of multiagent systems. The agent metaphor is extended to consider as agents also social entities like organizations, groups and normative systems, so that mental attitudes can

  6. Raising agents: sources of human social intelligence

    NARCIS (Netherlands)

    Hofstede, G.J.

    2014-01-01

    This paper urges that if we wish to give social intelligence to our agents, it pays to look at how we acquired our social intelligence ourselves. Our drives and motives are innate and deeply social. Next, as children we are social-ized to acquire norms and values. This motivational and group-based

  7. GRASP agents: social first, intelligent later

    NARCIS (Netherlands)

    Hofstede, G.J.

    2017-01-01

    This paper urges that if we wish to give social intelligence to our agents, it pays to look at how we acquired our social intelligence ourselves. We are born with drives and motives that are innate and deeply social. Next, as children we are socialized to acquire norms and values and to understand

  8. Agent-Based Models in Social Physics

    Science.gov (United States)

    Quang, Le Anh; Jung, Nam; Cho, Eun Sung; Choi, Jae Han; Lee, Jae Woo

    2018-06-01

    We review the agent-based models (ABM) on social physics including econophysics. The ABM consists of agent, system space, and external environment. The agent is autonomous and decides his/her behavior by interacting with the neighbors or the external environment with the rules of behavior. Agents are irrational because they have only limited information when they make decisions. They adapt using learning from past memories. Agents have various attributes and are heterogeneous. ABM is a non-equilibrium complex system that exhibits various emergence phenomena. The social complexity ABM describes human behavioral characteristics. In ABMs of econophysics, we introduce the Sugarscape model and the artificial market models. We review minority games and majority games in ABMs of game theory. Social flow ABM introduces crowding, evacuation, traffic congestion, and pedestrian dynamics. We also review ABM for opinion dynamics and voter model. We discuss features and advantages and disadvantages of Netlogo, Repast, Swarm, and Mason, which are representative platforms for implementing ABM.

  9. Agent Based Modelling for Social Simulation

    NARCIS (Netherlands)

    Smit, S.K.; Ubink, E.M.; Vecht, B. van der; Langley, D.J.

    2013-01-01

    This document is the result of an exploratory project looking into the status of, and opportunities for Agent Based Modelling (ABM) at TNO. The project focussed on ABM applications containing social interactions and human factors, which we termed ABM for social simulation (ABM4SS). During the course

  10. Social communication with virtual agents

    DEFF Research Database (Denmark)

    Marschner, Linda; Pannasch, Sebastian; Schulz, Johannes

    2015-01-01

    In social communication, the gaze direction of other persons provides important information to perceive and interpret their emotional response. Previous research investigated the influence of gaze by manipulating mutual eye contact. Therefore, gaze and body direction has been changed as a whole...

  11. AS A SOCIAL CONTROL AGENT

    African Journals Online (AJOL)

    user

    leaders, shrine priests, women leaders, community executives, and masquerade cult members. ... and social change on masquerade roles has been tremendous over the years. Also, ... lineage organization practiced in Igbo areas. ..... sacrifices and ritual cleansing have declined such rites on the ground that they are.

  12. El uso de las redes sociales en los diferentes niveles formativos en España

    OpenAIRE

    Fernández-Sáenz, Patricia

    2013-01-01

    En este trabajo se pretende investigar cuáles son las redes sociales más utilizadas por los jóvenes de las diferentes edades y niveles educativos, para después poder integrarlas en el proceso de enseñanza-aprendizaje. También se quiere conocer que redes sociales utilizan los profesores en el desarrollo de sus clases. Mediante el modelo de aceptación tecnológica (TAM) se va a valorar la aceptabilidad por parte de los alumnos y los profesores de las redes sociales en los entornos educativos....

  13. Agent Based Modelling for Social Simulation

    OpenAIRE

    Smit, S.K.; Ubink, E.M.; Vecht, B. van der; Langley, D.J.

    2013-01-01

    This document is the result of an exploratory project looking into the status of, and opportunities for Agent Based Modelling (ABM) at TNO. The project focussed on ABM applications containing social interactions and human factors, which we termed ABM for social simulation (ABM4SS). During the course of this project two workshops were organized. At these workshops, a wide range of experts, both ABM experts and domain experts, worked on several potential applications of ABM. The results and ins...

  14. Socialization Agents and Activities of Young Adolescents

    Science.gov (United States)

    Arnon, Sara; Shamai, Shmuel; Ilatov, Zinaida

    2008-01-01

    Research examined the relative importance of peer groups for young adolescents as compared with diverse adult socialization agents--family, school, and community. The factors involved were teenagers' activities, preferences, feelings, and thoughts as to how they spend their leisure time, their preferences for help providers, and their sense of…

  15. Persistent agents in Axelrod's social dynamics model

    Science.gov (United States)

    Reia, Sandro M.; Neves, Ubiraci P. C.

    2016-01-01

    Axelrod's model of social dynamics has been studied under the effect of external media. Here we study the formation of cultural domains in the model by introducing persistent agents. These are agents whose cultural traits are not allowed to change but may be spread through local neighborhood. In the absence of persistent agents, the system is known to present a transition from a monocultural to a multicultural regime at some critical Q (number of traits). Our results reveal a dependence of critical Q on the occupation probability p of persistent agents and we obtain the phase diagram of the model in the (p,Q) -plane. The critical locus is explained by the competition of two opposite forces named here barrier and bonding effects. Such forces are verified to be caused by non-persistent agents which adhere (adherent agents) to the set of traits of persistent ones. The adherence (concentration of adherent agents) as a function of p is found to decay for constant Q. Furthermore, adherence as a function of Q is found to decay as a power law with constant p.

  16. A computational architecture for social agents

    Energy Technology Data Exchange (ETDEWEB)

    Bond, A.H. [California Institute of Technology, Pasadena, CA (United States)

    1996-12-31

    This article describes a new class of information-processing models for social agents. They axe derived from primate brain architecture, the processing in brain regions, the interactions among brain regions, and the social behavior of primates. In another paper, we have reviewed the neuroanatomical connections and functional involvements of cortical regions. We reviewed the evidence for a hierarchical architecture in the primate brain. By examining neuroanatomical evidence for connections among neural areas, we were able to establish anatomical regions and connections. We then examined evidence for specific functional involvements of the different neural axeas and found some support for hierarchical functioning, not only for the perception hierarchies but also for the planning and action hierarchy in the frontal lobes.

  17. Entendiendo las diferentes perspectivas de las empresas sociales en México

    Directory of Open Access Journals (Sweden)

    Carola Conde Bonfil

    2016-01-01

    Full Text Available En México se utilizan más de cuarenta términos para designar a distintos subconjuntos de figuras asociativas que podrían considerarse como empresas sociales y no solo es cuestión de nombres o modas, ya que cada uno de esos términos incluye a unas entidades y excluye a otras, como se demuestra gráficamente en el documento. El propósito de este artículo es identificar y caracterizar los diferentes tipos de entidades de economía social con base en la información de su objeto social, el sector económico en el que operan, sus actividades, el tipo de misión que los orienta, sus grupos destinatarios, los apoyos públicos y privados que reciben, los órganos sociales y de vigilancia que deben crear (gobernanza y los modelos de empresa social a los que responden. Con base en este ejercicio, se comparan la definición legal y las formas de organización social que integran al sector social de la economía (SSE, así como tres figuras jurídicas que este excluye, con las dimensiones e indicadores del Proyecto Internacional Comparativo de Modelos de Empresa Social y la Red Europea de Investigación EMES para determinar la pertinencia y conformación de aquel concepto. La conclusión es que el SSE obedece a presiones políticas y la falta de un concepto claro conduce a que el Programa de Fomento a la Economía Social no se dirija realmente a la economía social -ni la fomente- y se limite a repartir los apoyos gubernamentales entre los actores que están considerados en el Catálogo de organismos del sector social de la economía. Por último, se presentan los elementos mínimos que se requieren hoy para definir e impulsar una política pública de fomento a la economía social en México.

  18. Embodied artificial agents for understanding human social cognition.

    Science.gov (United States)

    Wykowska, Agnieszka; Chaminade, Thierry; Cheng, Gordon

    2016-05-05

    In this paper, we propose that experimental protocols involving artificial agents, in particular the embodied humanoid robots, provide insightful information regarding social cognitive mechanisms in the human brain. Using artificial agents allows for manipulation and control of various parameters of behaviour, appearance and expressiveness in one of the interaction partners (the artificial agent), and for examining effect of these parameters on the other interaction partner (the human). At the same time, using artificial agents means introducing the presence of artificial, yet human-like, systems into the human social sphere. This allows for testing in a controlled, but ecologically valid, manner human fundamental mechanisms of social cognition both at the behavioural and at the neural level. This paper will review existing literature that reports studies in which artificial embodied agents have been used to study social cognition and will address the question of whether various mechanisms of social cognition (ranging from lower- to higher-order cognitive processes) are evoked by artificial agents to the same extent as by natural agents, humans in particular. Increasing the understanding of how behavioural and neural mechanisms of social cognition respond to artificial anthropomorphic agents provides empirical answers to the conundrum 'What is a social agent?' © 2016 The Authors.

  19. Social Psychology Of Persuasion Applied To Human-agent Interaction

    Directory of Open Access Journals (Sweden)

    Shenghua Liu

    2008-01-01

    Full Text Available This paper discusses and evaluates the application of a social psychologically enriched, user-centered approach to agent architecture design. The major aim is to facilitate human-agent interaction (HAI by making agents not only algorithmically more intelligent but also socially more skillful in communicating with the user. A decision-making model and communicative argumentation strategies have been incorporated into the agent architecture. In the presented content resource management experiments, enhancement of human task performance is demonstrated for users that are supported by a persuasive agent. This superior performance seems to be rooted in a more trusting collaborative relationship between the user and the agent, rather than in the appropriateness of the agent's decision-making suggestions alone. In particular, the second experiment demonstrated that interface interaction design should follow the principles of task-orientation and implicitness. Making the influence of the agent too salient can trigger counterintentional effects, such as users' discomfort and psychological reactance.

  20. Metareasoning and Social Evaluations in Cognitive Agents

    Science.gov (United States)

    Pinyol, Isaac; Sabater-Mir, Jordi

    Reputation mechanisms have been recognized one of the key technologies when designing multi-agent systems. They are specially relevant in complex open environments, becoming a non-centralized mechanism to control interactions among agents. Cognitive agents tackling such complex societies must use reputation information not only for selecting partners to interact with, but also in metareasoning processes to change reasoning rules. This is the focus of this paper. We argue about the necessity to allow, as a cognitive systems designers, certain degree of freedom in the reasoning rules of the agents. We also describes cognitive approaches of agency that support this idea. Furthermore, taking as a base the computational reputation model Repage, and its integration in a BDI architecture, we use the previous ideas to specify metarules and processes to modify at run-time the reasoning paths of the agent. In concrete we propose a metarule to update the link between Repage and the belief base, and a metarule and a process to update an axiom incorporated in the belief logic of the agent. Regarding this last issue we also provide empirical results that show the evolution of agents that use it.

  1. Children as Agents in Socializing Parents

    Science.gov (United States)

    Devor, Geraldine M.

    1970-01-01

    Data analysis showed that the majority of mothers were conscious of their children's influence, and that there were no significant differences by race or social class but a strong tendency toward social class differences. (Author)

  2. Agent zero: toward neurocognitive foundations for generative social science

    National Research Council Canada - National Science Library

    Epstein, Joshua M

    2013-01-01

    .... When multiple agents of this new type move and interact spatially, they collectively generate an astonishing range of dynamics spanning the fields of social conflict, psychology, public health, law...

  3. Modeling agent's preferences by its designer's social value orientation

    Science.gov (United States)

    Zuckerman, Inon; Cheng, Kan-Leung; Nau, Dana S.

    2018-03-01

    Human social preferences have been shown to play an important role in many areas of decision-making. There is evidence from the social science literature that human preferences in interpersonal interactions depend partly on a measurable personality trait called, Social Value Orientation (SVO). Automated agents are often written by humans to serve as their delegates when interacting with other agents. Thus, one might expect an agent's behaviour to be influenced by the SVO of its human designer. With that in mind, we present the following: first, we explore, discuss and provide a solution to the question of how SVO tests that were designed for humans can be used to evaluate agents' social preferences. Second, we show that in our example domain there is a medium-high positive correlation between the social preferences of agents and their human designers. Third, we exemplify how the SVO information of the designer can be used to improve the performance of some other agents playing against those agents, and lastly, we develop and exemplify the behavioural signature SVO model which allows us to better predict performances when interactions are repeated and behaviour is adapted.

  4. Disappearing computers, social actors and embodied agents

    NARCIS (Netherlands)

    Nijholt, Antinus; Kunii, T.L.; Hock Soon, S.; Sourin, A.

    2003-01-01

    Presently, there are user interfaces that allow multimodal interactions. Many existing research and prototype systems introduced embodied agents, assuming that they allow a more natural conversation or dialogue between user and computer. Here we will first take a look at how in general people react

  5. Agent 2003 Conference on Challenges in Social Simulation

    Energy Technology Data Exchange (ETDEWEB)

    Margaret Clemmons, ed.

    2003-01-01

    Welcome to the Proceedings of the fourth in a series of agent simulation conferences cosponsored by Argonne National Laboratory and The University of Chicago. Agent 2003 is the second conference in which three Special Interest Groups from the North American Association for Computational Social and Organizational Science (NAACSOS) have been involved in planning the program--Computational Social Theory; Simulation Applications; and Methods, Toolkits and Techniques. The theme of Agent 2003, Challenges in Social Simulation, is especially relevant, as there seems to be no shortage of such challenges. Agent simulation has been applied with increasing frequency to social domains for several decades, and its promise is clear and increasingly visible. Like any nascent scientific methodology, however, it faces a number of problems or issues that must be addressed in order to progress. These challenges include: (1) Validating models relative to the social settings they are designed to represent; (2) Developing agents and interactions simple enough to understand but sufficiently complex to do justice to the social processes of interest; (3) Bridging the gap between empirically spare artificial societies and naturally occurring social phenomena; (4) Building multi-level models that span processes across domains; (5) Promoting a dialog among theoretical, qualitative, and empirical social scientists and area experts, on the one hand, and mathematical and computational modelers and engineers, on the other; (6) Using that dialog to facilitate substantive progress in the social sciences; and (7) Fulfilling the aspirations of users in business, government, and other application areas, while recognizing and addressing the preceding challenges. Although this list hardly exhausts the challenges the field faces, it does identify topics addressed throughout the presentations of Agent 2003. Agent 2003 is part of a much larger process in which new methods and techniques are applied to

  6. Social Importance Dynamics: A Model for Culturally-Adaptive Agents

    NARCIS (Netherlands)

    Mascarenhas, S.; Prada, R.; Paiva, A.; Hofstede, G.J.

    2013-01-01

    The unwritten rules of human cultures greatly affect social behaviour and as such should be considered in the development of socially intelligent agents. So far, there has been a large focus on modeling cultural aspects related to non-verbal behaviour such as gaze or body posture. However, culture

  7. Understanding Green Purchase Behavior: College Students and Socialization Agents

    Science.gov (United States)

    Yan, Ruoh-Nan; Xu, Huimin

    2010-01-01

    Taking the perspective of consumer socialization theory, this study examined the influences of different socialization agents on consumers' purchases of green products. A total of 224 surveys were distributed to students enrolled in a business-related course at a major university in the northeastern United States. The objectives were twofold. The…

  8. Of Social Engineers & Corporate Espionage Agents

    DEFF Research Database (Denmark)

    Yeboah-Boateng, Ezer Osei

    2013-01-01

    enormous and catastrophic cyber-risks to SMEs, in view of their insider-ness, access privileges and knowledge of the systems as well as associated inherent vulnerabilities. Cyber-security functionaries and chief-level officers were surveyed on various metrics of insider attacks and incidents. The findings...... indicate that financial and ICT oriented SMEs are mostly targeted, and the impact range from loss of sensitive data, loss of corporate resources, loss of market share as well as loss of customer and investor confidence. Since most social engineers capitalize on the end-user vulnerabilities and their sense...

  9. Invariance and universality in social agent-based simulations

    Science.gov (United States)

    Cioffi-Revilla, Claudio

    2002-01-01

    Agent-based simulation models have a promising future in the social sciences, from political science to anthropology, economics, and sociology. To realize their full scientific potential, however, these models must address a set of key problems, such as the number of interacting agents and their geometry, network topology, time calibration, phenomenological calibration, structural stability, power laws, and other substantive and methodological issues. This paper discusses and highlights these problems and outlines some solutions. PMID:12011412

  10. Social inequality and the principal-agent problem

    Directory of Open Access Journals (Sweden)

    S. A. Barkov

    2014-01-01

    Full Text Available Social inequality has a lot of reasons. One of them is managerial. Managerial duties are paid so high that it set the stage for discontent not only within individual organizations, but also entire countries. The principles (the people in the state and shareholders in the corporation because the specific structure of their competencies can’t totally control agents (officials and managers. As to agents, the moral imperative to act for the good of the social system and reputation considerations (to be remembered as a good ruler or a genius manager can easily rejected when there is an opportunity to make millions dollars without special efforts. As a result hundreds thousands of people across the globe in the corporate and government structures are enriched through specific solutions to the principal-agent problem, and social inequality becomes an integral inevitable part of the modern economy.

  11. Corporate social responsibility as an agent for social change

    DEFF Research Database (Denmark)

    Justenlund, Anders; Rebelo, Sofia

    level employees (middle management/employees) go through when working according to CSR-principles, based on social motives and behaviour. A hermeneutical paradigm is applied to the understanding of human (inter-) action in relation to understand a phenomenon as CSR and motives for social change....... It is suggested that the process of positive social change is divided into four phases, which to a point can be compared to The Human Learning Process by Stuart Dreyfus. Another aspect of this paper is also to create a bottom-up approach to the implementation of CSR-principles as the majority of CSR literature......The intention of this paper is to provide a specific understanding of corporate social responsibility with a particular focus in social issues in relation to human resource development. The understanding of CSR is used to create a theoretical analytical framework that should provide researchers...

  12. Pedagogical Agents as Learning Companions: Building Social Relations with Learners

    OpenAIRE

    Kim, Yanghee

    2005-01-01

    This study examined the potential of pedagogical agents as learning companions (PALs) to build social relations with learners and, consequently, to motivate learning. The study investigated the impact of PAL affect (positive vs. negative vs. neutral), PAL gender (male vs. female), and learner gender (male vs. female) on learners’ social judgments, motivation, and learning in a controlled experiment. Participants were 142 college students in a computer-literacy course. Overall, the results ind...

  13. The School Counselor in Israel: An Agent of Social Justice?

    Science.gov (United States)

    Erhard, Rachel Lea; Sinai, Mirit

    2012-01-01

    In recent years, leaders in the school counseling profession worldwide have been calling on their colleagues to re-examine their role as "agents of social justice" in schools, with a view to promoting equal educational opportunities for all students. This research examines counselors' perceptions of the role, role behaviors, personal…

  14. HIV Clients as Agents for Prevention: A Social Network Solution

    Directory of Open Access Journals (Sweden)

    Sarah Ssali

    2012-01-01

    Full Text Available HIV prevention efforts to date have not explored the potential for persons living with HIV to act as change agents for prevention behaviour in their social networks. Using egocentric social network analysis, this study examined the prevalence and social network correlates of prevention advocacy behaviours (discussing HIV in general; encouraging abstinence or condom use, HIV testing, and seeking HIV care enacted by 39 HIV clients in Uganda. Participants engaged in each prevention advocacy behaviour with roughly 50–70% of the members in their network. The strongest determinant of engaging in prevention advocacy with more of one’s network members was having a greater proportion of network members who knew one’s HIV seropositive status, as this was associated with three of the four advocacy behaviours. These findings highlight the potential for PLHA to be key change agents for HIV prevention within their networks and the importance of HIV disclosure in facilitating prevention advocacy.

  15. Avaliação sensorial, microbiologia e físico-química de suco artificial de laranja adicionado de diferentes agentes adoçantes

    Directory of Open Access Journals (Sweden)

    Iago Felipe da Silva Leite

    2016-11-01

    Full Text Available Diante do aumento do consumo de adoçantes por vários fatores e a procura por uma dieta mais saudável,  para a redução dos riscos de doenças como, diabetes, obesidade, entre outras, este trabalho teve como objetivo avaliar a diferença da doçura e aceitação dos diferentes agentes adoçantes em sucos artificiais. Foram formulados sucos em pó sabor laranja e adicionado os diferentes agentes adoçantes (sacarose, demerara, stevia pura, sacarina sódica + ciclamato de sódio e sacarina sódica + ciclamato de sódio + stevia. Realizou-se analises de pH e de sólidos solúveis totais (ºBrix para as diferentes formulações, ocorrendo variações, além das análises microbiológicas para coliformes totais e Salmonella sp/25g, resultando em ausência para ambos Os resultados apontam que as amostras estão próprias para consumo segundo a legislação virgente. A análise foi aplicada no laboratório de análise sensorial da Universidade Federal de Campina Grande e avaliada por 93 provadores. Aplicou-se uma ficha sensorial levando em consideração a aceitação dos agentes adoçantes. Conclui-se que a sacarina sódica + ciclamato de sódio e sacarina sódica + ciclamato de sódio + stevia foi a formulação com maior índice de aprovação.SensoSensory, microbiological and physico-chemical evaluation of artificial orange juice added with different sweetening agents Abstract: The increase in the consumption of sweeteners by several factors. And the demand for a healthier diet with reduced risk of diseases such as, diabetes, obesity, among others, this study aimed to assess the degree of sweetness of difference and acceptance of different sweetening agents. Were formulated artificial juices powdered orange flavor and added different sweeteners (sucrose, demerara, pure stevia, saccharin + sodium cyclamate and sodium saccharin + sodium cyclamate + stevia. We conducted analysis of pH and total soluble solids (° Brix for the different

  16. Language community as an agent of individual’s socialization

    Directory of Open Access Journals (Sweden)

    G. V. Liakhovich

    2017-03-01

    In the article the analysis of the works of national and foreign researchers in sociolinguistics, sociology of language based on a common interpretation of the language community. Characterized the role of linguistic community in in the construction of social space in the context of the theory P.Berger and T. Lukman. Also the paper presents the analysis of the works of domestic and foreign social scientists who have studied the mechanisms and factors of a young person, her social conditioning. Sociological approach to the explanation of linguistic community as an agent of socialization of the individual is characterized. The authors considers that the notion is interlinked with the categories of linguistic situation, linguistic identity, linguistic picture of the world and linguistic processes. The paper interprets the state of linguistic community depending on the state of languages in society.

  17. Agents of support: psychometric properties of the Cancer Perceived Agents of Social Support (CPASS) questionnaire.

    Science.gov (United States)

    Goldzweig, Gil; Hasson-Ohayon, Ilanit; Meirovitz, Amichay; Braun, Michal; Hubert, Ayala; Baider, Lea

    2010-11-01

    The current study presents the development and the evaluation of the psychometric properties of the Cancer Perceived Agents of Social Support (CPASS). The CPASS is a new self-rating instrument devised in order to enable both cancer patients and their spouses to report on the level of perceived social support they get. The CPASS evaluates the support given by different agents of support (spouse, family, friends and spiritual or religious beliefs) in several dimensions (emotional, cognitive and instrumental). The study sample comprised 662 cancer patients and their spouses recruited during a routine medical evaluation from three major cancer centers in Israel. The participants completed the CPASS and two other standardized instruments: The ENRICH Marital Satisfaction Scale (EMS) and the Brief Symptom Inventory (BSI). Principal component analysis confirmed a three-factor structure based upon the agent of support (spouse; friends/family; spiritual/religious beliefs). Cronbach's α coefficients for the agent of support indexes were high (0.80-0.95), while Cronbach's α levels for the kind of support were lower (0.45-0.72). Smallest Space Analysis (SSA) also confirmed the theoretical structure of the CPASS. Pearson correlation coefficients to the other study variables were high and significant. As a whole, the CPASS was found to be a valid tool for the current Israeli sample. Theoretical and practical conclusions and socio-cultural implications are discussed. Copyright © 2009 John Wiley & Sons, Ltd.

  18. Epidemic spread over networks with agent awareness and social distancing

    KAUST Repository

    Paarporn, Keith

    2016-04-20

    We study an SIS epidemic model over an arbitrary connected network topology when the agents receive personalized information about the current epidemic state. The agents utilize their available information to either reduce interactions with their neighbors (social distancing) when they believe the epidemic is currently prevalent or resume normal interactions when they believe there is low risk of becoming infected. The information is a weighted combination of three sources: 1) the average states of nodes in contact neighborhoods 2) the average states of nodes in an information network 3) a global broadcast of the average epidemic state of the network. A 2n-state Markov Chain is first considered to model the disease dynamics with awareness, from which a mean-field discrete-time n-state dynamical system is derived, where each state corresponds to an agent\\'s probability of being infected. The nonlinear model is a lower bound of its linearized version about the origin. Hence, global stability of the origin (the diseasefree equilibrium) in the linear model implies global stability in the nonlinear model. When the origin is not stable, we show the existence of a nontrivial fixed point in the awareness model, which obeys a strict partial order in relation to the nontrivial fixed point of the dynamics without distancing. In simulations, we define two performance metrics to understand the effectiveness agent awareness has in reducing the spread of an epidemic. © 2015 IEEE.

  19. La vulnerabilidad fiscal del gasto social: ¿Es Diferente América Latina?

    OpenAIRE

    Eduardo Lora

    2007-01-01

    Se utiliza un panel desbalanceado de medio centenar de países para el período 1985-2003 con el objeto de evaluar la vulnerabilidad del gasto público social (en educación y salud) frente a las variables fiscales corrientes y la deuda pública en América Latina en comparación con el resto del mundo en desarrollo. El gasto social es significativamente más bajo en América Latina (aunque absorbe una proporción mayor del gasto primario) y es más vulnerable frente a mayores pagos de intereses de la d...

  20. Mass media: spaces for leisure or socialization agents in adolescence?

    Directory of Open Access Journals (Sweden)

    Marc Pallarés Piquer

    2013-12-01

    Full Text Available The information and communication technologies are transforming ourways of living and our ways of being related with each other. They condition both the lives of individuals and the occurrence of social phenomena. In the last decade, have become a source of symbolic strategies for the younger sectors of society. The aim of this paper is to analyze the impact that these strategies have on 11 to 14-year-old students; socialization agents are those responsible for transmitting norms, values and behaviourmodels. From a sample of 846 students, who belong to schools situated in different geographical contexts, two variables have been researched into, with a Cronbach’s consistency index of 0,918: the first one analyzes the students’ implication factors, that is to say, the psychoeducational variables produced in their process of personal commitment and in their psychosocial development. The second one determines the organization into a hierarchy of those agents which play a socializing role on these students. Is an  utline of some frames of interaction among individuals and groups that enable new technologies. The results highlight the fact that mass media have took over from families and schools themselves as focal socialization points

  1. Estatura de padres e hijos chilenos de diferente etnia y vulnerabilidad social

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    Amigo Hugo

    2000-01-01

    Full Text Available OBJETIVO: Analizar y comparar la estatura de niños que ingresan a la escuela y la de sus padres, de acuerdo con sus antecedentes étnicos y nivel socioeconómico. MATERIAL Y MÉTODOS: Estudio transversal, realizado entre 1997 y 1999, en Santiago y la zona centro-sur de Chile, en 351 escolares indígenas y 531 no indígenas, y sus padres, provenientes de comunas de tres niveles de vulnerabilidad social: muy alta (pobreza, mediana y muy baja. Escolar indígena era el que tenía sus cuatro apellidos mapuches, el no indígena tenía sus cuatro apellidos de origen chileno-español. La estatura se comparó en medidas estandarizadas (puntaje Z utilizando como referencia la medición del cambio nutricional propuesta por la Organización Mundial de la Salud. Se estimaron las diferencias de medias de estatura padres-hijos con análisis de varianza y se determinó el origen de tales diferencias al aplicar el procedimiento de Scheffe. RESULTADOS: Los progenitores en ambas etnias aumentaron sus promedios de estatura al mejorar las condiciones sociales, excepto las madres indígenas que no presentaron incremento significativo. Los padres de la muy alta vulnerabilidad midieron 4 cm menos que los de la muy baja vulnerabilidad y las madres 2 cm menos (p<0.001. En los escolares indígenas hay una gradiente positiva de estatura a medida que mejoran las condiciones sociales (p<0.001, no así en los no indígenas. Al comparar la estatura de progenitores e hijo(as se observa que los escolares presentaron un índice talla/edad mayor que sus padres (p<0.01, especialmente los escolares indígenas que en promedio tuvieron 1.4 puntajes Z más que sus padres. CONCLUSIONES: El incremento de estatura observado al mejorar las condiciones sociales y la mayor adecuación de talla de los hijos, independientemente de la etnia y vulnerabilidad social, representa un hecho alentador y sugiere que se debe estimular la formulación de intervenciones para los grupos m

  2. Stress cracking e ataque químico do PET em diferentes agentes químicos Stress cracking and chemical attack of pet under different chemicals

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    Edvânia T. Teófilo

    2009-01-01

    Full Text Available A análise de resistência ao stress cracking (ESCR do PET foi feita em corpos de prova de tração moldados por injeção, utilizando vários agentes químicos (metanol, etanol, propanol, butanol e soluções de hidróxido de sódio em diferentes concentrações. Foram realizados ensaios dinâmicos e estáticos de tração. Durante os testes os corpos de prova foram mantidos em contato com os agentes e as propriedades mecânicas monitoradas. Os resultados evidenciam que todas as soluções de hidróxidos de sódio testadas são agentes agressivos de ESC por diminuírem as propriedades mecânicas do polímero, ocasionando falha catastrófica. Já os demais fluidos, apesar de não terem efeito significativo nas propriedades do PET, afetam drasticamente sua aparência superficial. Observou-se também a ocorrência de ataque químico nos ensaios com NaOH, resultando em redução nas massas molares.The investigation of stress cracking resistance (ESCR of PET was done in injection-moulded tensile test bars using different fluids as active agents. These were methanol, ethanol, propanol, butanol and solutions based on sodium hydroxide. Both dynamic and static tensile experiments were conducted. During the tensile experiments, the samples were kept in contact with the fluids and the mechanical properties were monitored. The results showed that all sodium hydroxide solutions were aggressive stress cracking agents for PET, reducing mechanical properties and causing catastrophic failure. On the other hand, the other fluids did not cause much influence on the mechanical behaviour but changed drastically the surface appearance. Also observed was a chemical attack when NaOH solutions were used, causing a reduction in molar mass of PET molecules.

  3. Ação de diferentes agentes curtentes utilizados no curtimento de peles de coelhos: testes físico-mecânicos dos couros = Action of different tanning agents used on rabbit hide tanning: physicalmechanic tests

    Directory of Open Access Journals (Sweden)

    Nilson do Prado Franco

    2009-10-01

    Full Text Available O objetivo do experimento foi avaliar a ação de diferentes agentes curtentes no processamento das peles de coelhos, sobre a resistência do couro. Cinquenta peles de coelhos foram submetidas a diferentes agentes curtentes na etapa de curtimento (T1 = 6% sais de cromoChromossal B®, T2 = 22% tanino vegetal Clarotan-x8®; T3 = 22% tanino sintético Syntac CW®; T4 = 12% tanino vegetal Weibull® + 10% tanino sintético Syntac F®; T5 = 22% tanino vegetal Weibull®. Foram retirados os corpos de prova do couro, na região dorsal, no sentidolongitudinal e transversal em relação ao eixo céfalo-caudal. Os agentes curtentes e retirada dos corpos de prova não influenciaram no teste de tração (9,28 N mm-2 a 11,63 N mm-2 e força aplicada (17,91 N a 24,85 N nos testes. Os curtimentos com sais de cromo (62,85% e Clarotan–x8® (70,28% proporcionaram maiores valores de alongamento em relação aos demais agentes curtentes utilizados. Os corpos de prova do couro no sentido transversal (59,12% apresentaram maior alongamento comparado ao longitudinal (49,72%. Os curtimentos com sais de cromo (22,70 N mm-1, Clarotan–x8® (25,94 N mm-1 e Weibull® (21,58 N mm-1 proporcionaram couros com maior resistência ao rasgamento. O sentido de retirada dos corpos de prova no couro não influenciou no rasgamento progressivo. As técnicas de curtimento com sais de cromo e Clarotan-x8® proporcionaram couros com melhores valores de resistência ao alongamento e rasgamento progressivo.The objective of the experiment was to evaluate the action of different tanning agents in the processing of rabbit hides over skin resistance. Fifty skins of rabbit hides were submitted to different tanning agents in the tanning stage (T1 = 6% Chromossal B® chromesalts; T2 = 22% Clarotan–x8® vegetable tannin; T3 = 22% Syntac CW® synthetic tannin; T4 = 12% Weibull® vegetable tannin + 10% Syntac F® synthetic tannin; T5 = 22% Weibull® vegetable tannin. The specimens were removed

  4. Responsive Social Agents: Feedback-Sensitive Behavior Generation for Social Interactions

    NARCIS (Netherlands)

    Vroon, Jered Hendrik; Englebienne, Gwenn; Evers, Vanessa; Agah, Arvin; Cabibihan, John-John; Howard, Ayanna M.; Salichs, Miguel A.; He, Hongsheng

    2016-01-01

    How can we generate appropriate behavior for social artificial agents? A common approach is to (1) establish with controlled experiments which action is most appropriate in which setting, and (2) select actions based on this knowledge and an estimate of the setting. This approach faces challenges,

  5. On the engineering of agent-based simulations of social activities with social networks

    NARCIS (Netherlands)

    Ronald, N.A.; Dignum, V.; Jonker, C.; Arentze, T.A.; Timmermans, H.J.P.

    2012-01-01

    Context Models of how people move around cities play a role in making decisions about urban and land-use planning. Previous models have been based on space and time, and have neglected the social aspect of travel. Recent work on agent-based modelling shows promise as a new approach, especially for

  6. Avaliação sensorial de bebidas de goiaba adoçadas com diferentes agentes adoçantes Sensory evaluation of guava drinks sweetened with different sweetening agents

    Directory of Open Access Journals (Sweden)

    Aline Gurgel Fernandes

    2009-06-01

    Full Text Available Devido à crescente procura por bebidas à base de frutas tropicais e à expansão do segmento de produtos com valores calóricos reduzidos, este trabalho objetivou avaliar o grau de doçura, sabor, impressão global e a intenção de compra das bebidas de goiaba adoçadas com diferentes agentes adoçantes através de frequência de notas, teste de médias e Mapa de Preferência Interno (MPI. Utilizaram-se polpa de goiaba, água potável e diferentes agentes adoçantes (sacarose, mistura ciclamato/sacarina, aspartame, acesulfame-K, estévia e mistura sacarina/ciclamato sódico/acesulfame-K. A avaliação sensorial foi realizada com 100 provadores não treinados em teste laboratorial através do delineamento de blocos completos balanceados. Objetivando a avaliação das respostas individuais de cada provador, as respostas sensoriais foram avaliadas pela metodologia do MPI, empregando-se a técnica de Análise de Componentes Principais. As bebidas de goiaba adoçadas com sacarose e aspartame apresentaram avaliação sensorial semelhante por parte dos consumidores, apresentando os maiores valores médios no teste de aceitação, enquanto as adoçadas com estévia, com a mistura de três agentes adoçantes e a mistura ciclamato/sacarina apresentaram os valores mais baixos na avaliação sensorial. A utilização do MPI confirmou os resultados obtidos através de frequência de notas e teste de médias.Due to a constant search for tropical fruit drinks and calorie reduced products, this work aimed to evaluate the degree of sweetness, flavor, overall global impression, and purchase intention of guava drinks sweetened with different sweetening agents through the response rank frequency and average test, and internal preference mapping (IPM. Guava pulp, drinking water, and sweetening agents (sucrose, mixture cyclamate/saccharine, aspartame, acesulfame K, stevia and mixture saccharine/sodium cyclamate/acesulfame K were used. The sensory evaluation was

  7. Multispace Behavioral Model for Face-Based Affective Social Agents

    Directory of Open Access Journals (Sweden)

    DiPaola Steve

    2007-01-01

    Full Text Available This paper describes a behavioral model for affective social agents based on three independent but interacting parameter spaces: knowledge, personality, and mood. These spaces control a lower-level geometry space that provides parameters at the facial feature level. Personality and mood use findings in behavioral psychology to relate the perception of personality types and emotional states to the facial actions and expressions through two-dimensional models for personality and emotion. Knowledge encapsulates the tasks to be performed and the decision-making process using a specially designed XML-based language. While the geometry space provides an MPEG-4 compatible set of parameters for low-level control, the behavioral extensions available through the triple spaces provide flexible means of designing complicated personality types, facial expression, and dynamic interactive scenarios.

  8. Multispace Behavioral Model for Face-Based Affective Social Agents

    Directory of Open Access Journals (Sweden)

    Ali Arya

    2007-03-01

    Full Text Available This paper describes a behavioral model for affective social agents based on three independent but interacting parameter spaces: knowledge, personality, and mood. These spaces control a lower-level geometry space that provides parameters at the facial feature level. Personality and mood use findings in behavioral psychology to relate the perception of personality types and emotional states to the facial actions and expressions through two-dimensional models for personality and emotion. Knowledge encapsulates the tasks to be performed and the decision-making process using a specially designed XML-based language. While the geometry space provides an MPEG-4 compatible set of parameters for low-level control, the behavioral extensions available through the triple spaces provide flexible means of designing complicated personality types, facial expression, and dynamic interactive scenarios.

  9. An agent-based model for integrated emotion regulation and contagion in socially affected decision making

    NARCIS (Netherlands)

    Manzoor, A.; Treur, J.

    2015-01-01

    This paper addresses an agent-based computational social agent model for the integration of emotion regulation, emotion contagion and decision making in a social context. The model integrates emotion-related valuing, in order to analyse the role of emotions in socially affected decision making. The

  10. Los Adolescentes Como Agentes de Cambio Social: Algunas Reflexiones Para los Psicólogos Sociales Comunitarios Adolescents as Agents of Social Transformation: Reflections for Social Community Psychologists

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    Maribel Gonçalves-de Freitas

    2004-11-01

    Full Text Available La adolescencia ha sido frecuentemente asumida como una etapa de vulnerabilidad ante los factores de riesgo presentes en el entorno, razón por la cual los proyectos sociales destinados a esta población están enfocados principalmente a la prevención de situaciones difíciles para los jóvenes en el futuro inmediato, entre los cuales se destacan el embarazo precoz, las adicciones, la deserción escolar y la delincuencia. Este artículo, sin dejar de valorar la importancia de los programas de prevención, plantea la pertinencia de generar proyectos de participación juvenil en los que se enfatice en las potencialidades y recursos de esta población para incidir en su entorno como actores sociales. Para el desarrollo de esta idea, se parte de la reflexión sobre experiencias profesionales con adolescentes con un enfoque participativo y con miras al desarrollo de la actoría social de los jóvenes. De este modo, se plantean algunas sugerencias y aspectos claves a ser tomados en cuenta por el psicólogo social comunitario en el abordaje de esta población desde esta perspectiva.Adolescence has frequently been assumed as a phase with increased vulnerability to risk factors present in the environment, which is why many social projects aimed at this population are oriented to the prevention of difficulties such as teenage pregnancy, drug abuse, truancy and delinquency. This article, without loosing sight of the importance of prevention programs, argues in favor of creating more projects of adolescent participation that emphasize their strengths and their capacities to impact their environment as social agents. Experiences with a participative orientation and which seek to develop the youngster's social agency provide a starting point for these reflections. Some suggestions and key points to consider by social community psychologists that work with this population, from this perspective, are presented.

  11. An agent-based model for integrated emotion regulation and contagion in socially affected decision making

    OpenAIRE

    Manzoor, A.; Treur, J.

    2015-01-01

    This paper addresses an agent-based computational social agent model for the integration of emotion regulation, emotion contagion and decision making in a social context. The model integrates emotion-related valuing, in order to analyse the role of emotions in socially affected decision making. The agent-based model is illustrated for the interaction between two persons. Simulation experiments for different kinds of scenarios help to understand how decisions can be affected by regulating the ...

  12. Educating social entrepreneurs as agents for inclusive innovation

    OpenAIRE

    Janiūnaitė, Brigita; Gelbūdienė, Edita

    2014-01-01

    During the last decade great attention is paid to a social organization, social entrepreneur by pointing out that they strive to work for the welfare of the society by solving social problems in unconventional, creative, innovative and effective ways. Seeking social goals and creation of social value are the main features of social entrepreneurship (Peredo and McLean, 2006). With reference to social entrepreneurs, who work or will work in the public sector, it is necessary to emphasize educat...

  13. Large-scale agent-based social simulation : A study on epidemic prediction and control

    NARCIS (Netherlands)

    Zhang, M.

    2016-01-01

    Large-scale agent-based social simulation is gradually proving to be a versatile methodological approach for studying human societies, which could make contributions from policy making in social science, to distributed artificial intelligence and agent technology in computer science, and to theory

  14. A BDI Dialogue Agent for Social Support : Specification and Evaluation Method

    NARCIS (Netherlands)

    Van der Zwaan, J.M.; Dignum, V.; Jonker, C.M.

    2012-01-01

    An important task for empathic agents is to provide social support, that is, to help people increase their well-being and decrease the perceived burden of their problems. The contributions of this paper are 1) the specifcation of speech acts for a social support dialogue agent, and 2) an evaluation

  15. La Crítica en la Psicología Social Latinoamericana y su Impacto en los Diferentes Campos de la Psicología

    Directory of Open Access Journals (Sweden)

    Fernando Luis González Rey

    2004-01-01

    Full Text Available Se presenta un análisis de los diferentes aspectos que se combinaron en la emergencia de la una psicología social crítica en América Latina, a partir de los años 70; las tendencias que aparecieron dentro de aquella orientación y sus consecuencias para el desarrollo posterior de la psicología latinoamericana. Esta tendencia crítica fue prolífica en la producción de trabajos, así como en la organización de foros de debate, entre los cuales está el actual Congreso de Psicología Social de la Liberación, que se celebra periódicamente en diferentes países de América Latina. Este movimiento crítico de la psicología social, no ha sido analizado desde una perspectiva histórica por ninguno de sus protagonistas, lo cual es uno de los objetivos centrales de esta presentación. Entre los aspectos particulares en que el autor centra su exposición están los siguientes: 1 La implicación de este movimiento con la realidad social de los países de la región; 2 La diversidad de posiciones teórico-metodológicas de las personas implicadas en este movimiento y su evolución hacia reflexiones congruentes con sus objetivos de transformación social; y, 3 Las formas actuales de expresión de la crítica en la psicología social latinoamericana

  16. Socially intelligent autonomous agents that learn from human reward

    NARCIS (Netherlands)

    Li, Guangliang

    2016-01-01

    In the future, autonomous agents will operate in human inhabited environments in many real world applications and become an integral part of human’s daily lives. Therefore, when autonomous agents enter into the real world, they need to adapt to many novel, dynamic and complex situations that cannot

  17. Social perception of nursing professional assessed by different scales Percepción social de profesionales de enfermería evaluada mediante diferentes escalas Percepção social de profissionais de enfermagem avaliada por meio de diferentes escalas

    Directory of Open Access Journals (Sweden)

    Fátima Aparecida Emm Faleiros Sousa

    2006-12-01

    Full Text Available The purpose of this experiment was to scale the social perception of nurses through the methods of magnitude estimation, category estimation and cross-modality matching (line lengths. The study participants were high school and undergraduate students, active and retired medicine, psychology, nursing and dentistry professionals. Results revealed that: (1 the characteristics neat, responsible, clean, careful and efficacious occupied the first positions in terms of nurses' social perceptions, while useless, shameful, dishonest, irresponsible and hateful occupied the last positions on all scales obtained by the different direct psychophysics methods; (2 the scale of nurses' social perception is valid, stable and consistent and (3 the rankings resulting from the three methods produce highly concordant positions of perception for the different adjectives.La finalidad de este experimento fue la de escalonar la percepción social del enfermero a través de los métodos de estimación de magnitudes y emparejamiento cruzado (a lo largo de líneas. Participaron del estudio estudiantes de 2º grado y universitarios, profesionales actuantes y jubilados de medicina, psicología, enfermería y odontología. Los resultados mostraron: (1 los trazos aseado, responsable, limpio, cuidadoso y eficaz ocupan las primeras posiciones en términos de percepción social del enfermero, mientras los trazos inútil, deshonroso, deshonesto, irresponsable y odioso ocupan las últimas posiciones en todas las escalas obtenidas por los diferentes métodos psicofísicos directos; (2 la escala de percepción social del enfermero es válida, estable y consistente y (3 las ordenaciones resultantes de los métodos producen posiciones de percepción altamente concordantes para los diferentes adjetivos.O objetivo deste experimento foi escalonar a percepção social do enfermeiro pelos métodos de estimação de magnitudes e de categorias e de emparelhamento intermodal (comprimento de

  18. An Agent-Based Approach to Modeling Online Social Influence

    NARCIS (Netherlands)

    Maanen, P.P. van; Vecht, B. van der

    2013-01-01

    The aim of this study is to better understand social influence in online social media. Therefore, we propose a method in which we implement, validate and improve an individual behavior model. The behavior model is based on three fundamental behavioral principles of social influence from the

  19. Mission Possible: Teachers Serving as Agents of Social Change

    Science.gov (United States)

    Kunkel-Pottebaum, Holly E.

    2013-01-01

    A case study was conducted to learn about the formation of social justice teachers, and the methods used by radical educators to engage students in social change. Interviews conducted with eight junior and senior high school social studies teachers identified several types of formative experiences inspiring teachers to become radical educators.…

  20. Conversational Agents, Humorous Act Construction, and Social Intelligence

    OpenAIRE

    Nijholt, Antinus; Dautenhahn, K.

    2005-01-01

    Humans use humour to ease communication problems in human-human interaction and in a similar way humour can be used to solve communication problems that arise with human-computer interaction. We discuss the role of embodied conversational agents in human-computer interaction and we have observations on the generation of humorous acts and on the appropriateness of displaying them by embodied conversational agents in order to smoothen, when necessary, their interactions with a human partner. Th...

  1. Fuzzy Cognitive and Social Negotiation Agent Strategy for Computational Collective Intelligence

    Science.gov (United States)

    Chohra, Amine; Madani, Kurosh; Kanzari, Dalel

    Finding the adequate (win-win solutions for both parties) negotiation strategy with incomplete information for autonomous agents, even in one-to-one negotiation, is a complex problem. Elsewhere, negotiation behaviors, in which the characters such as conciliatory or aggressive define a 'psychological' aspect of the negotiator personality, play an important role. The aim of this paper is to develop a fuzzy cognitive and social negotiation strategy for autonomous agents with incomplete information, where the characters conciliatory, neutral, or aggressive, are suggested to be integrated in negotiation behaviors (inspired from research works aiming to analyze human behavior and those on social negotiation psychology). For this purpose, first, one-to-one bargaining process, in which a buyer agent and a seller agent negotiate over single issue (price), is developed for a time-dependent strategy (based on time-dependent behaviors of Faratin et al.) and for a fuzzy cognitive and social strategy. Second, experimental environments and measures, allowing a set of experiments, carried out for different negotiation deadlines of buyer and seller agents, are detailed. Third, experimental results for both time-dependent and fuzzy cognitive and social strategies are presented, analyzed, and compared for different deadlines of agents. The suggested fuzzy cognitive and social strategy allows agents to improve the negotiation process, with regard to the time-dependent one, in terms of agent utilities, round number to reach an agreement, and percentage of agreements.

  2. From automata to animate beings: the scope and limits of attributing socialness to artificial agents.

    Science.gov (United States)

    Hortensius, Ruud; Cross, Emily S

    2018-05-11

    Understanding the mechanisms and consequences of attributing socialness to artificial agents has important implications for how we can use technology to lead more productive and fulfilling lives. Here, we integrate recent findings on the factors that shape behavioral and brain mechanisms that support social interactions between humans and artificial agents. We review how visual features of an agent, as well as knowledge factors within the human observer, shape attributions across dimensions of socialness. We explore how anthropomorphism and dehumanization further influence how we perceive and interact with artificial agents. Based on these findings, we argue that the cognitive reconstruction within the human observer is likely to be far more crucial in shaping our interactions with artificial agents than previously thought, while the artificial agent's visual features are possibly of lesser importance. We combine these findings to provide an integrative theoretical account based on the "like me" hypothesis, and discuss the key role played by the Theory-of-Mind network, especially the temporal parietal junction, in the shift from mechanistic to social attributions. We conclude by highlighting outstanding questions on the impact of long-term interactions with artificial agents on the behavioral and brain mechanisms of attributing socialness to these agents. © 2018 New York Academy of Sciences.

  3. Virtual customer service agents: using social presence and personalization to shape online service encounters

    NARCIS (Netherlands)

    Verhagen, T.; van Nes, J; Feldberg, F; van Dolen, W.

    2014-01-01

    By performing tasks traditionally fulfilled by service personnel and having a humanlike appearance, virtual customer service agents bring classical service elements to the web, which may positively influence customer satisfaction through eliciting social responses and feelings of personalization.

  4. Virtual Customer Service Agents: Using Social Presence and Personalization to Shape Online Service Encounters

    NARCIS (Netherlands)

    Verhagen, T.; van Nes, J.; Feldberg, J.F.M.; van Dolen, W.M.

    2014-01-01

    By performing tasks traditionally fulfilled by service personnel and having a humanlike appearance, virtual customer service agents bring classical service elements to the web, which may positively influence customer satisfaction through eliciting social responses and feelings of personalization.

  5. Agent-based Simulation of Reactive, Pro-active, and Social Animal Behaviour

    NARCIS (Netherlands)

    Jonker, C.M.; Treur, J.; Mira, J.

    1998-01-01

    In this paper it is shown how animal behaviour can be simulated in an agent-based manner. Different models are shown for different types of behaviour, varying from purely reactive behaviour to pro-active and social behaviour. The compositional development method for multi-agent systems DESIRE and

  6. Teachers as Agents of Change: Promoting Peacebuilding and Social Cohesion in Schools in Rwanda

    Science.gov (United States)

    Rubagiza, Jolly; Umutoni, Jane; Kaleeba, Ali

    2016-01-01

    Education is seen to play a crucial role in the reconstruction of post-conflict countries, particularly in transforming people's mindsets and rebuilding social relations. In this regard, teachers are often perceived as key agents to bring about this transformative change through their role as agents of peace. This paper seeks to understand how…

  7. Un amor estratificado: narrativas, prácticas y la infraestructura del amor de tres mujeres chilenas de diferentes estratos sociales

    Directory of Open Access Journals (Sweden)

    Amanda Rutllant

    2013-08-01

    Full Text Available El presente artículo es un estudio exploratorio que busca incorporar la variable estratificación a la actual discusión académica en torno a lastransformaciones en la intimidad y lasformas de vivir el amor en la modernidad tardía producto de los proceso de individuación. Asimismo se hace hincapié en la conceptualización material del amor, considerando las prácticas y objetos de consumo amoroso como factores determinantes de la vivencia del amor. A través de un estudio exploratorio/comparativo basado en el análisis de historias de vida de tres mujeres chilenas de diferentes estratossocio-económicos se busca problematizar las categorías conceptuales que hoy se utilizan en el debate sociológico en torno al amor. Como se verá, el factor estratificación demuestra que el amor se vive de formas diferentes dependiendo del estrato social así como también de las materialidades.

  8. Games Children Play: An Exercise Illustrating Agents of Socialization.

    Science.gov (United States)

    Glasberg, Davita Silfen; Maatita, Florence; Nangle, Barbara; Schauer, Tracy

    1998-01-01

    Argues that children's toys and games contribute to representing and reinforcing dominant conceptions of appropriate social identities. Invites students to play a number of children's games in order to experience the "hidden agendas" concerning race, class, gender, and political socialization conveyed to them while they are playing. (DSK)

  9. A Computational Agent Model for Hebbian Learning of Social Interaction

    NARCIS (Netherlands)

    Treur, J.

    2011-01-01

    In social interaction between two persons usually a person displays understanding of the other person. This may involve both nonverbal and verbal elements, such as bodily expressing a similar emotion and verbally expressing beliefs about the other person. Such social interaction relates to an

  10. Conversational Agents, Humorous Act Construction, and Social Intelligence

    NARCIS (Netherlands)

    Nijholt, Antinus; Dautenhahn, K.

    2005-01-01

    Humans use humour to ease communication problems in human-human interaction and in a similar way humour can be used to solve communication problems that arise with human-computer interaction. We discuss the role of embodied conversational agents in human-computer interaction and we have observations

  11. Social interaction in robotic agents emulating the mirror neuron function

    NARCIS (Netherlands)

    Barakova, E.I.; Mira, J.; Álvarez, J.R.

    2007-01-01

    Emergent interactions that are expressed by the movements of two agents are discussed in this paper. The common coding principle is used to show how the mirror neuron system may facilitate interaction behaviour. Synchronization between neuron groups in different structures of the mirror neuron

  12. Social control of public expenditures in a multilevel principal-agent approach

    Directory of Open Access Journals (Sweden)

    VALDEMIR PIRES

    2015-12-01

    Full Text Available ABSTRACTThis study enhances the principal-agent model by incorporating a multilevel perspective and differences among agency situations. A theoretical discussion is developed using a proposed intersection of methodological focuses and a descriptive-exemplificative hypothetical analysis. The analysis is applied to public expenditure social control in representative democracies, and as a result, a principal-agent model unfolds that incorporates a decision-making perspective and focuses on formulation, negotiation, articulation, and implementation competencies. Thus, it is possible to incorporate elements into the principal-agent model to make it more permeable to individual, group, and societal idiosyncrasies with respect to public expenditure social control.

  13. Epidemic spread over networks with agent awareness and social distancing

    KAUST Repository

    Paarporn, Keith; Eksin, Ceyhun; Weitz, Joshua S.; Shamma, Jeff S.

    2016-01-01

    with their neighbors (social distancing) when they believe the epidemic is currently prevalent or resume normal interactions when they believe there is low risk of becoming infected. The information is a weighted combination of three sources: 1) the average states

  14. Periodismo diferente

    Directory of Open Access Journals (Sweden)

    Yoloxochitl Casas Chousal

    2015-01-01

    Full Text Available Como en el resto de América Latina, los medios de comunicación mexicanos se han limitado a realizar un tipo de periodismo que ha excluido a las mujeres. A pesar de esa realidad el CIMAC (Comunicación e Información de la Mujer, ha trabajado con los(as profesionales desde una perspectiva de género conformando una asociación civil "Comunicación e Información" donde las periodistas mujeres trabajan en Red asumiendo una tarea colectiva para desde los medios contribuir a ese reconocimiento y valoración de la tarea social de las mujeres y, al mismo tiempo, contribuir al cambio de su condición y establecimiento de nuevas relaciones entre los sexos.

  15. La Crítica en la Psicología Social Latinoamericana y su Impacto en los Diferentes Campos de la Psicología

    OpenAIRE

    Fernando Luis González Rey

    2004-01-01

    Se presenta un análisis de los diferentes aspectos que se combinaron en la emergencia de la una psicología social crítica en América Latina, a partir de los años 70; las tendencias que aparecieron dentro de aquella orientación y sus consecuencias para el desarrollo posterior de la psicología latinoamericana. Esta tendencia crítica fue prolífica en la producción de trabajos, así como en la organización de foros de debate, entre los cuales está el actual Congreso de Psicología Socia...

  16. Papel do educador e do professor do 1.º ciclo do ensino básico : conceções dos diferentes agentes envolvidos no processo educativo

    OpenAIRE

    Loureiro, Joana Patrícia Simões

    2013-01-01

    Relatório de estágio apresentado à Escola Superior de Educação de Santarém para obtenção do grau de mestre em Educação pré-escolar e ensino do 1.º ciclo do ensino básico O presente relatório evidencia as aprendizagens promovidas pela participação nos estágios em diferentes valências: Jardim-de-Infância, Ensino Básico e Creche. Este relatório foi desenvolvido numa perspetiva de desenvolvimento pessoal e profissional, propiciando uma postura crítica e reflexiva em relação à prática educativa...

  17. Nash Equilibrium of Social-Learning Agents in a Restless Multiarmed Bandit Game.

    Science.gov (United States)

    Nakayama, Kazuaki; Hisakado, Masato; Mori, Shintaro

    2017-05-16

    We study a simple model for social-learning agents in a restless multiarmed bandit (rMAB). The bandit has one good arm that changes to a bad one with a certain probability. Each agent stochastically selects one of the two methods, random search (individual learning) or copying information from other agents (social learning), using which he/she seeks the good arm. Fitness of an agent is the probability to know the good arm in the steady state of the agent system. In this model, we explicitly construct the unique Nash equilibrium state and show that the corresponding strategy for each agent is an evolutionarily stable strategy (ESS) in the sense of Thomas. It is shown that the fitness of an agent with ESS is superior to that of an asocial learner when the success probability of social learning is greater than a threshold determined from the probability of success of individual learning, the probability of change of state of the rMAB, and the number of agents. The ESS Nash equilibrium is a solution to Rogers' paradox.

  18. Social influence, agent heterogeneity and the emergence of the urban informal sector

    Science.gov (United States)

    García-Díaz, César; Moreno-Monroy, Ana I.

    2012-02-01

    We develop an agent-based computational model in which the urban informal sector acts as a buffer where rural migrants can earn some income while queuing for higher paying modern-sector jobs. In the model, the informal sector emerges as a result of rural-urban migration decisions of heterogeneous agents subject to social influence in the form of neighboring effects of varying strengths. Besides using a multinomial logit choice model that allows for agent idiosyncrasy, explicit agent heterogeneity is introduced in the form of socio-demographic characteristics preferred by modern-sector employers. We find that different combinations of the strength of social influence and the socio-economic composition of the workforce lead to very different urbanization and urban informal sector shares. In particular, moderate levels of social influence and a large proportion of rural inhabitants with preferred socio-demographic characteristics are conducive to a higher urbanization rate and a larger informal sector.

  19. The ten rules of touch : Guidelines for social agents and robots that can touch

    NARCIS (Netherlands)

    Erp, J.B.F. van

    2012-01-01

    Touching is essential in interpersonal and affective communication, yet most social agents lack the capability to touch the user. In this paper we show the credibility of three premises that make the case that providing touch capability to social robots will increase their effectiveness in

  20. How to Touch Humans : Guidelines for Social Agents and Robots that can Touch

    NARCIS (Netherlands)

    Erp, J.B.F. van; Toet, A.

    2013-01-01

    Touch is an essential channel in interpersonal and affective communication, yet most social agents currently lack the capability to touch the user. In this paper we show the credibility of three premises that make the case that providing touch capability to social robots will increase their

  1. What Does God Know? Supernatural Agents' Access to Socially Strategic and Non-Strategic Information

    Science.gov (United States)

    Purzycki, Benjamin G.; Finkel, Daniel N.; Shaver, John; Wales, Nathan; Cohen, Adam B.; Sosis, Richard

    2012-01-01

    Current evolutionary and cognitive theories of religion posit that supernatural agent concepts emerge from cognitive systems such as theory of mind and social cognition. Some argue that these concepts evolved to maintain social order by minimizing antisocial behavior. If these theories are correct, then people should process information about…

  2. Teachers as Agents of Sustainable Peace, Social Cohesion and Development: Theory, Practice & Evidence

    Science.gov (United States)

    Novelli, Mario; Sayed, Yusuf

    2016-01-01

    This paper presents a "peace with social justice" framework for analysing the role of teachers as agents of sustainable peace, social cohesion and development and applies this to research evidence from Pakistan, Uganda, Myanmar and South Africa. The paper draws on evidence from a recently completed UNICEF and ESRC funded project on…

  3. Prom week meets Skyrim: Developing a social agent architecture in a commercial game

    NARCIS (Netherlands)

    Guimarães, Manuel; Santos, Pedro A.; Jhala, Arnav

    2018-01-01

    We present and describe CIF-CK — a social agent architecture that models reasoning about persistent social interactions to improve narrative engagement and play experience for human interactors. The architecture is inspired by McCoy et al’s Comme il-Faut (CiF) architecture that represents rich

  4. Jóvenes de origen extranjero y participación social. ¿Diferentes procesos migratorios conducen a diferentes modelos de participación? Young migrants and social participation. Different migration processes lead to different patterns of participation?

    Directory of Open Access Journals (Sweden)

    David Dueñas i Cid

    2011-11-01

    Full Text Available Diversos autores coinciden en señalar la participación social como un elemento central en la integración de la población inmigrada. Los jóvenes inmigrantes, como grupo específico, presentan una importante heterogeneidad interna, no sólo en cuanto a orígenes culturales o geográficos, sino también en relación con las características del proceso migratorio vivido que, además, configuran perfiles comunes que articulan grupos con problemáticas similares en relación a la participación. El objetivo de este artículo es analizar estos elementos comunes y diferenciales entre los distintos grupos de jóvenes en función de las condiciones de su proceso migratorio.Many authors consider social participation to be a key feature of immigrant integration. Young migrants form specific social groups that have considerable  internal heterogeneity, not only because of their cultural or geographical origins, but also because of the similarities of their migration process. However, although they belong to different groups, they have similar problems of social participation. The main aim of the paper is to analyze the features that are common to various groups and those that are different on the basis of the conditions of their migration process.

  5. Role of Socializing Agents in Female Sport Involvement

    Science.gov (United States)

    Greendorfer, Susan L.

    1977-01-01

    Research into the socializing of women into sports activities revealed that peers were most influential at all life-cycle stages, family was the most influential during childhood, and coaches and teachers during adolescence; in addition, males were the predominant role models during childhood, and females during adolescence and adult life. (MB)

  6. Connecting Volunteers and Agents: A Social Constructionist Perspective

    Science.gov (United States)

    Dillivan, K. D.

    2013-01-01

    Extension volunteers benefit from participation in training activities. Furthermore, Extension personnel are best positioned to provide volunteers with relevant training. However, trainers neglecting relationship building and failing to attend to the communicative process may achieve unsatisfactory results. Social constructionism, a theoretical…

  7. Social and Emotional Turn Taking for Embodied Conversational Agents

    NARCIS (Netherlands)

    Bruijnes, Merijn

    2012-01-01

    In this doctoral consortium paper I describe the theme of my research, the model-based generation of consistent emotional turn taking behavior in virtual human conversations and the evaluation of this behavior. My goal is to investigate and generate convincing social behavior in embodied

  8. An agent-based model of centralized institutions, social network technology, and revolution.

    Science.gov (United States)

    Makowsky, Michael D; Rubin, Jared

    2013-01-01

    This paper sheds light on the general mechanisms underlying large-scale social and institutional change. We employ an agent-based model to test the impact of authority centralization and social network technology on preference falsification and institutional change. We find that preference falsification is increasing with centralization and decreasing with social network range. This leads to greater cascades of preference revelation and thus more institutional change in highly centralized societies and this effect is exacerbated at greater social network ranges. An empirical analysis confirms the connections that we find between institutional centralization, social radius, preference falsification, and institutional change.

  9. Family as an agent of socialization in the transitional society: Sociological aspects

    OpenAIRE

    Dimitrijević Srboljub D.

    2014-01-01

    Considering the family as an agent of socialization in the transitional society it is necessary to start from the knowledge that the family is the first in the hierarchy of social values. It is also the fundamental social unit and the area of community, which has an enormous role in the life of every individual and in every social system. It is necessary to add the fact that the family as a social group is irreplaceable corner where a man is formed as a person, accomplishes himself and in tha...

  10. The Role of Potential Agents in Making Spatial Perspective Taking Social

    Directory of Open Access Journals (Sweden)

    Amy M Clements-Stephens

    2013-09-01

    Full Text Available A striking relationship between visual spatial perspective taking (VSPT and social skills has been demonstrated for perspective-taking tasks in which the target of the imagined or inferred perspective is a potential agent, suggesting that the presence of a potential agent may create a social context for the seemingly spatial task of imagining a novel visual perspective. In a series of studies, we set out to investigate how and when a target might be viewed as sufficiently agent-like to incur a social influence on VSPT performance. By varying the perceptual and conceptual features that defined the targets as potential agents, we find that even something as simple as suggesting animacy for a simple wooden block may be sufficient. More critically, we found that experience with one potential agent influenced the performance with subsequent targets, either by inducing or eliminating the influence of social skills on VSPT performance. These carryover effects suggest that the relationship between social skills and VSPT performance is mediated by a complex relationship that includes the task, the target, and the context in which that target is perceived. These findings highlight potential problems that arise when identifying a task as belonging exclusively to a single cognitive domain and stress instead the highly interactive nature of cognitive domains and their susceptibility to cross-domain individual differences.

  11. Robots As Intentional Agents: Using Neuroscientific Methods to Make Robots Appear More Social

    Directory of Open Access Journals (Sweden)

    Eva Wiese

    2017-10-01

    Full Text Available Robots are increasingly envisaged as our future cohabitants. However, while considerable progress has been made in recent years in terms of their technological realization, the ability of robots to interact with humans in an intuitive and social way is still quite limited. An important challenge for social robotics is to determine how to design robots that can perceive the user’s needs, feelings, and intentions, and adapt to users over a broad range of cognitive abilities. It is conceivable that if robots were able to adequately demonstrate these skills, humans would eventually accept them as social companions. We argue that the best way to achieve this is using a systematic experimental approach based on behavioral and physiological neuroscience methods such as motion/eye-tracking, electroencephalography, or functional near-infrared spectroscopy embedded in interactive human–robot paradigms. This approach requires understanding how humans interact with each other, how they perform tasks together and how they develop feelings of social connection over time, and using these insights to formulate design principles that make social robots attuned to the workings of the human brain. In this review, we put forward the argument that the likelihood of artificial agents being perceived as social companions can be increased by designing them in a way that they are perceived as intentional agents that activate areas in the human brain involved in social-cognitive processing. We first review literature related to social-cognitive processes and mechanisms involved in human–human interactions, and highlight the importance of perceiving others as intentional agents to activate these social brain areas. We then discuss how attribution of intentionality can positively affect human–robot interaction by (a fostering feelings of social connection, empathy and prosociality, and by (b enhancing performance on joint human–robot tasks. Lastly, we describe

  12. Robots As Intentional Agents: Using Neuroscientific Methods to Make Robots Appear More Social

    Science.gov (United States)

    Wiese, Eva; Metta, Giorgio; Wykowska, Agnieszka

    2017-01-01

    Robots are increasingly envisaged as our future cohabitants. However, while considerable progress has been made in recent years in terms of their technological realization, the ability of robots to interact with humans in an intuitive and social way is still quite limited. An important challenge for social robotics is to determine how to design robots that can perceive the user’s needs, feelings, and intentions, and adapt to users over a broad range of cognitive abilities. It is conceivable that if robots were able to adequately demonstrate these skills, humans would eventually accept them as social companions. We argue that the best way to achieve this is using a systematic experimental approach based on behavioral and physiological neuroscience methods such as motion/eye-tracking, electroencephalography, or functional near-infrared spectroscopy embedded in interactive human–robot paradigms. This approach requires understanding how humans interact with each other, how they perform tasks together and how they develop feelings of social connection over time, and using these insights to formulate design principles that make social robots attuned to the workings of the human brain. In this review, we put forward the argument that the likelihood of artificial agents being perceived as social companions can be increased by designing them in a way that they are perceived as intentional agents that activate areas in the human brain involved in social-cognitive processing. We first review literature related to social-cognitive processes and mechanisms involved in human–human interactions, and highlight the importance of perceiving others as intentional agents to activate these social brain areas. We then discuss how attribution of intentionality can positively affect human–robot interaction by (a) fostering feelings of social connection, empathy and prosociality, and by (b) enhancing performance on joint human–robot tasks. Lastly, we describe circumstances under

  13. Robots As Intentional Agents: Using Neuroscientific Methods to Make Robots Appear More Social.

    Science.gov (United States)

    Wiese, Eva; Metta, Giorgio; Wykowska, Agnieszka

    2017-01-01

    Robots are increasingly envisaged as our future cohabitants. However, while considerable progress has been made in recent years in terms of their technological realization, the ability of robots to interact with humans in an intuitive and social way is still quite limited. An important challenge for social robotics is to determine how to design robots that can perceive the user's needs, feelings, and intentions, and adapt to users over a broad range of cognitive abilities. It is conceivable that if robots were able to adequately demonstrate these skills, humans would eventually accept them as social companions. We argue that the best way to achieve this is using a systematic experimental approach based on behavioral and physiological neuroscience methods such as motion/eye-tracking, electroencephalography, or functional near-infrared spectroscopy embedded in interactive human-robot paradigms. This approach requires understanding how humans interact with each other, how they perform tasks together and how they develop feelings of social connection over time, and using these insights to formulate design principles that make social robots attuned to the workings of the human brain. In this review, we put forward the argument that the likelihood of artificial agents being perceived as social companions can be increased by designing them in a way that they are perceived as intentional agents that activate areas in the human brain involved in social-cognitive processing. We first review literature related to social-cognitive processes and mechanisms involved in human-human interactions, and highlight the importance of perceiving others as intentional agents to activate these social brain areas. We then discuss how attribution of intentionality can positively affect human-robot interaction by (a) fostering feelings of social connection, empathy and prosociality, and by (b) enhancing performance on joint human-robot tasks. Lastly, we describe circumstances under which

  14. With Us or Against Us: Simulated Social Touch by Virtual Agents in a Cooperative or Competitive Setting

    NARCIS (Netherlands)

    Huisman, Gijs; Kolkmeier, Jan; Kolkmeier, Jan; Heylen, Dirk K.J.; Bickmore, Timothy; Marsella, Stacy; Sidner, Candance

    In this paper we examine how simulated social touch by a virtual agent in a cooperative or competitive augmented reality game influences the perceived trustworthiness, warmth and politeness of the agent. Before and after the game, participants interact with two agents whereby one agent touches the

  15. “Toward socially responsible agents: integrating attachment and learning in emotional decision-making,”

    OpenAIRE

    M. Ben Moussa and N. Magnenat-Thalmann

    2013-01-01

    Our goal is to create socially responsible agents either robots or virtual humans. In this paper we present an integration of emotions attachment and learning in emotional decision making to achieve this goal. Based on emerging psychological theories we aim at building human like emotional decision making where emotions play a central role in selecting the next action to be performed by the agent. Here we present our own approach for emotion appraisal where we use emotional attachment as an i...

  16. Optimization-Based Selection of Influential Agents in a Rural Afghan Social Network

    Science.gov (United States)

    2010-06-01

    nonlethal targeting model, a nonlinear programming ( NLP ) optimization formulation that identifies the k US agent assignment strategy producing the greatest...leader social network, and 3) the nonlethal targeting model, a nonlinear programming ( NLP ) optimization formulation that identifies the k US agent...NATO Coalition in Afghanistan. 55 for Afghanistan ( [54], [31], [48], [55], [30]). While Arab tribes tend to be more hierarchical, Pashtun tribes are

  17. The group coach as a socializing agent for integration?

    DEFF Research Database (Denmark)

    Stelter, Reinhard; Ryom, Knud

    -educated coaches and began in September 2013. All boys from 6th to 9th grade were offered group coaching on a regular basis as part of their school education. The intervention will finish in June 2015. The ambition was to provide a reflective and collaborative space where the whole group helped to support each......-year intervention for migrant boys (6th to 9th graders) at a lower secondary school in Copenhagen with 80+% of pupils having a non-Danish ethnic background. Besides coaching the boys had the opportunity to play soccer in a cooperative and mastery-oriented climate, organized by a local sports club. Group coaching...... other in this process. The focus of the intervention was on identity, on cultural, social and school issues, and on personal development. Qualitative interviews were conducted with ten 7th grade boys and complemented by observations. The (preliminary) results indicate a polarization of the boys...

  18. Amigos y amantes: los valores relativos de trueque de diferentes tipos de compañeros en el intercambio social

    Directory of Open Access Journals (Sweden)

    Aurelio José Figueredo

    2002-01-01

    Full Text Available Se utilizó el Inventario de Valor como Pareja (IVP en talleres paralelos titulados “La Racionalidad del romance” con muestras independientes recolectadas en cuatro sitios distintos: (1 Tucson, Arizona, Estados Unidos (n = 71, (2 Hermosillo, Sonora, México (n = 56, (3. Ciudad de México, Distrito Federal, México (n = 39, y (4 San José, Costa Rica (n = 77. Cada participante contestó un cuestionario anónimo y confidencial que incluía preguntas sobre su percepción de su propio “Valor como pareja” (VP, el VP de sus parejas románticas presentes o pasadas, y el VP de sus mejores amistades masculinas y femeninas. Cada participante dio informes sobre relaciones con sus parejas presentes o pasadas, incluyendo su grado de fidelidad a esa pareja, la seriedad de esa relación, y su satisfacción con esa relación. Se especificaron y analizaron varias relaciones entre los datos obtenidos por medio de un modelo económico de intercambio social.

  19. COMPETENCIAS LABORALES DEL PSICÓLOGO JAVERIANO EN DIFERENTES ÁREAS APLICATIVAS: CLÍNICA, EDUCATIVA, SOCIAL Y ORGANIZACIONAL

    Directory of Open Access Journals (Sweden)

    Ana Fernanda Uribe Rodríguez

    2009-01-01

    Full Text Available Esta investigación busca describir tanto las competencias laborales genéricas y específicas del psicólogo javeriano de acuerdo con el área aplicativa: clínica, educativa, organizacional y social, como las competencias laborales requeridas por los empleadores de psicólogos, mediante la aplicación de la Encuesta de Competencias del Psicólogo Javeriano, tomada de Herrera, Restrepo y Uribe (2006, y una entrevista semiestructurada aplicada solo a psicólogos javerianos. Se conformó una muestra de 22 psicólogos egresados de la Pontificia Universidad Javeriana Cali y 13 informantes empleadores de psicólogos. Se realizó un análisis descriptivo por medio del paquete estadístico SPSS, para describir los ítems de la encuesta realizada. A partir de los resultados y el análisis realizado, se encontraron diferencias entre las valoraciones dadas por empleadores y psicólogos javerianos respecto a las competencias en cada área aplicativa, y se logró ratificar la especificidad de las competencias, de acuerdo al área. De igual forma, se puede afirmar que existen competencias genéricas para los profesionales en psicología, de las cuales se hallaron similitudes respecto a las percepciones de empleadores y psicólogos egresados.

  20. Profiling the Buzz Agent: Product Referral and the Study of Social Community and Brand Attachment

    Directory of Open Access Journals (Sweden)

    Danny Pimentel Claro

    2015-04-01

    Full Text Available The buzz agent is any consumer perceived by others as a source of product referral. Previous literature in word of mouth (WOM has looked into characteristics of individuals who successfully persuade others to choose a brand. While there have been studies in this field, the literature is still scattered and little has been done to profile the consumer playing the buzz-agent role. We aim to deepen our understanding about the consumer who must be recruited as a buzz agent by a firm in a WOM marketing (WOMM initiative. The proposed profile is comprised of three key characteristics: the consumer’s position in the social community, nature of ties in the community and brand attachment. We tested our hypotheses with a survey of 542 consumers from a controlled population. Rather than relying on self-reported questions about referral behavior, we asked respondents in the population to name the individuals to whom the respondents go to obtain information to help pick a brand. This accurately pinpoints which individuals fit the profile of a buzz agent. Results show that buzz agents are popular in their social community (friends and tech experts, carry dissimilar brands as target consumers and are product experts. Our study identifies a profile of consumers that helps firms select buzz agents for WOMM initiatives.

  1. Reverse engineering a social agent-based hidden markov model--visage.

    Science.gov (United States)

    Chen, Hung-Ching Justin; Goldberg, Mark; Magdon-Ismail, Malik; Wallace, William A

    2008-12-01

    We present a machine learning approach to discover the agent dynamics that drives the evolution of the social groups in a community. We set up the problem by introducing an agent-based hidden Markov model for the agent dynamics: an agent's actions are determined by micro-laws. Nonetheless, We learn the agent dynamics from the observed communications without knowing state transitions. Our approach is to identify the appropriate micro-laws corresponding to an identification of the appropriate parameters in the model. The model identification problem is then formulated as a mixed optimization problem. To solve the problem, we develop a multistage learning process for determining the group structure, the group evolution, and the micro-laws of a community based on the observed set of communications among actors, without knowing the semantic contents. Finally, to test the quality of our approximations and the feasibility of the approach, we present the results of extensive experiments on synthetic data as well as the results on real communities, such as Enron email and Movie newsgroups. Insight into agent dynamics helps us understand the driving forces behind social evolution.

  2. Parent and Adolescent Interaction in Television Advertisements as Consumer Socialization Agents

    Science.gov (United States)

    Ozmete, Emine

    2009-01-01

    This study aimed at determining the interaction between parents and adolescents pertaining to television advertisements as a consumer socialization agent and the effects of advertisements on the purchasing decisions of adolescents. The effects of age and sex were also investigated. The sample included 240 high school students in grades 9, 10 and…

  3. Supporting Teachers in Becoming Agents of Social Cohesion: Professional Development in Post- Apartheid South Africa

    Science.gov (United States)

    Mogliacci, Rada Jancic; Raanhuis, Joyce; Howell, Colleen

    2016-01-01

    Policy and research have been advocating the importance of teachers in achieving equity and teachers are called to act as agents of social justice. This issue remains central to the development of a post-apartheid South Africa, where a need for reconciliation and healing still dominates the society. Such a landscape requires adequate support…

  4. Fostering Social Agency in Multimedia Learning: Examining the Impact of an Animated Agent's Voice

    Science.gov (United States)

    Atkinson, Robert K.; Mayer, Richard E.; Merrill, Mary Margaret

    2005-01-01

    Consistent with social agency theory, we hypothesized that learners who studied a set of worked-out examples involving proportional reasoning narrated by an animated agent with a human voice would perform better on near and far transfer tests and rate the speaker more positively compared to learners who studied the same set of examples narrated by…

  5. Using negative and positive social feedback from a robotic agent to save energy

    NARCIS (Netherlands)

    Midden, C.J.H.; Ham, J.R.C.; Chatterjee, S.; Dev, P.

    2009-01-01

    In this paper we explore the persuasive effects of social feedback, as provided by an embodied agent, on behavioral change. In a lab setting, two experiments were conducted in which participants had the opportunity to conserve energy while carrying out washing tasks with a simulated washing machine.

  6. Mixed Messages: How Primary Agents of Socialization Influence Adolescent Females Who Identify as Multiracial-Bisexual

    Science.gov (United States)

    King, Alissa R.

    2013-01-01

    The goals of this study were to highlight the often stigmatized and invisible identities of six female participants who identify as multiracial/biracial-bisexual/pansexual, focusing on the pre-college context. Findings, using in-depth interviews, indicated that the primary socializing agents within the pre-college context strongly influenced…

  7. Assessing acceptance of assistive social agent technology by older adults: the Almere model

    NARCIS (Netherlands)

    Heerink, M.; Kröse, B.; Evers, V.; Wielinga, B.

    2010-01-01

    This paper proposes a model of technology acceptance that is specifically developed to test the acceptance of assistive social agents by elderly users. The research in this paper develops and tests an adaptation and theoretical extension of the Unified Theory of Acceptance and Use of Technology

  8. Memory effects induce structure in social networks with activity-driven agents

    International Nuclear Information System (INIS)

    Medus, A D; Dorso, C O

    2014-01-01

    Activity-driven modelling has recently been proposed as an alternative growth mechanism for time varying networks,displaying power-law degree distribution in time-aggregated representation. This approach assumes memoryless agents developing random connections with total disregard of their previous contacts. Thus, such an assumption leads to time-aggregated random networks that do not reproduce the positive degree-degree correlation and high clustering coefficient widely observed in real social networks. In this paper, we aim to study the incidence of the agents' long-term memory on the emergence of new social ties. To this end, we propose a dynamical network model assuming heterogeneous activity for agents, together with a triadic-closure step as main connectivity mechanism. We show that this simple mechanism provides some of the fundamental topological features expected for real social networks in their time-aggregated picture. We derive analytical results and perform extensive numerical simulations in regimes with and without population growth. Finally, we present an illustrative comparison with two case studies, one comprising face-to-face encounters in a closed gathering, while the other one corresponding to social friendship ties from an online social network. (paper)

  9. Agent-based modeling: a new approach for theory building in social psychology.

    Science.gov (United States)

    Smith, Eliot R; Conrey, Frederica R

    2007-02-01

    Most social and psychological phenomena occur not as the result of isolated decisions by individuals but rather as the result of repeated interactions between multiple individuals over time. Yet the theory-building and modeling techniques most commonly used in social psychology are less than ideal for understanding such dynamic and interactive processes. This article describes an alternative approach to theory building, agent-based modeling (ABM), which involves simulation of large numbers of autonomous agents that interact with each other and with a simulated environment and the observation of emergent patterns from their interactions. The authors believe that the ABM approach is better able than prevailing approaches in the field, variable-based modeling (VBM) techniques such as causal modeling, to capture types of complex, dynamic, interactive processes so important in the social world. The article elaborates several important contrasts between ABM and VBM and offers specific recommendations for learning more and applying the ABM approach.

  10. DIFERENTES CONSIDERACIONES EN TORNO AL CAPITAL SOCIAL DE LAS SOCIEDADES COOPERATIVAS/DIFFERENT CONSIDERATIONS ABAUT SOCIAL CAPITAL IN CO-OPERATIVE SOCIETIES

    Directory of Open Access Journals (Sweden)

    Josefina FERNÁNDEZ GUADAÑO

    2006-01-01

    Full Text Available En este trabajo se analizan las distintas consideraciones en torno a la clasificación del Capital Social de la sociedad cooperativa, puesto que, hay posturas encontradas en cuanto a su calificación. En concreto, se estudian el criterio jurídico en el ámbito europeo, nacional y autonómico; el criterio contable nacional e internacional; y el criterio económico-financiero. Todo ello en orden a tratar de superar las discrepancias y plantear el reembolso parcial de las aportaciones de los socios a Capital Social como una alternativa que trata de garantizar el carácter de Patrimonio Neto de la parte no exigible de esas aportaciones sociales con el cumplimiento parcial del principio cooperativo de puertas abiertas de salida./There has been on-going debate concerning the classification of the Social Capitalof cooperative societies. This paper analyzes the different views on important areas of such classification. Particularly, it reviews the juridical approach in the European, national and autonomous environments; the national and international accounting methods; and the economic-financial approach The goal is to overcome the existing discrepancies and to propose the partial refund of the partners' contributions to Social Capital as a solution that attempts to guarantee the Net Patrimony" nature of the non-mandatory portion of those social contributions, along with partially following the "open exit doors" cooperative principle.

  11. Internet social networks as important agents of social inclusion for contemporary children and youth

    Directory of Open Access Journals (Sweden)

    Khynova J.

    2012-10-01

    Full Text Available The article shows that the use of social networks is a very powerful mean and often the way of socialization and social inclusion of contemporary children and youth. Direct social communication is often substituted by communication through the modern media, which takes places in the cyber space and has a great importance for experience and socialization of current generations. This article is trying to point out that the use of internet social networks is an important component of children’s and youth’s subculture. Potential absence in the world of internet social networks can bring individuals to the marginal position among their peer group. On the basis of the survey made among Czech children and youngsters, from 11 to 19 years, we can find out how important the use of internet social networks for the Czech contemporary young people is. Activities connected with the internet social networks create an important part of leisure time activities for the interviewed respondents. For them it is very considerable to be the part of some internet social community. Moreover, virtual communication helps respondents to keep in touch with their peers and increase their social status in the community. They can also experiment with different identities and find the best way of communication with others.

  12. Electrophysiological correlates of social information processing for detecting agents in social interaction scenes: P200 and N250 components

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    Crivelli Davide

    2016-04-01

    Full Text Available According to interaction theories, the detection of situated agents and the understanding of their intentions and mental states are mediated by smart perceptual and embodied mechanisms. While the network supporting agency-attribution, action understanding, and grasping of others’ mental state is quite known, the actual mental chronometry of such social perception processes is still not clear. We then designed an exploratory study to investigate electrophysiological correlates (ERPs and source localization of information-processing for the detection of potential agents in realistic interaction scenes. Morphological and statistical analyses of electrophysiological data highlighted that the manipulation the nature of a potential agent, the gesture it executed and the relative position of an interagent was differently associated to the modulation of specific relevant middle-latency ERP components, labelled as P200 and N250, and of their relative intra-cortical current density distribution within the first 300 ms from the appearance of the stimulus.

  13. The Role of Agent and Social Context in Judgments of Freedom of Speech and Religion.

    Science.gov (United States)

    Helwig, Charles C

    1997-06-01

    This study examined children's, adolescents', and college students' judgments of the rights of child and adult agents to freedom of speech and religion in 3 social contexts: the general level of society, the school, and the family. Two hundred forty participants, evenly divided into 5 grade levels (mean ages 6,6, 8,5,10,6,12,4, and 22,7) made judgments of the legitimacy of authority prohibition, rule evaluation, generalizability, and rule violation for all freedom/social context/agent combinations. Concepts of freedom of speech and religion were found to emerge in the early elementary school years, and endorsements of freedoms were increasingly affected by social context and agent with age. College students were less likely than any other age group to affirm children's freedom of religion in the family context. Considerations of the mental competence and maturity of agents and the potential for harm to ensue from acting on freedoms played an important part in the decisions of older, but not younger, participants.

  14. Adesivos poliméricos à base de SBR: influência de diferentes tipos de agentes promotores de adesão SBR-based polymeric adhesives: influence of different types of adhesion promoting agents

    Directory of Open Access Journals (Sweden)

    Mauro E. C. B. Pinto

    2011-01-01

    Full Text Available Neste trabalho, foi desenvolvido um novo adesivo não estrutural à base de copolímero de SBR com alto teor em estireno (SBR-53. O objetivo deste novo produto é avaliar a possibilidade de sua utilização no segmento moveleiro, em substituição ao adesivo de policloropreno (CR-M, cujo polímero-base é importado. Diferentes formulações de adesivos foram desenvolvidas, específicas para a indústria moveleira, e o desempenho do elastômero SBR-53 foi comparado ao dos elastômeros SBR-23 comercial (SBR tradicional - baixo teor de estireno e CR-M, quanto à estabilidade em solução, viscosidade e propriedades mecânicas.In this work a new non-structural adhesive based on a high styrene content SBR copolymer (SBR-53 was developed. This new product is intended to be used in the furniture segment, to replace the chloroprene rubber (CR-M adhesive, whose base polymer is imported. Different adhesive formulations were developed specifically for the furniture industry, and the performance of the elastomer SBR-53 was compared to that of commercial elastomers SBR-23 (low-styrene traditional SBR and CR-M, as for solution stability, viscosity and mechanical properties.

  15. Agentes bacterianos enteropatogênicos em suínos de diferentes faixas etárias e perfil de resistência a antimicrobianos de cepas de Escherichia coli e Salmonella spp Enteropathogenic bacterial agents in pigs of different age groups and profile of resistance in strains of Escherichia coli and Salmonella spp. to antimicrobial agents

    Directory of Open Access Journals (Sweden)

    Álvaro Menin

    2008-09-01

    Full Text Available As enterites infecciosas bacterianas provocam severas perdas para a indústria suína em todo o mundo. Os objetivos deste trabalho foram determinar os agentes bacterianos, associados com a ocorrência de diarréia em suínos, em diferentes faixas etárias, no Estado de Santa Catarina, Brasil, e verificar o perfil de resistência das cepas de Escherichia coli e Salmonella spp, frente aos principais antimicrobianos utilizados em granjas de suínos. Os principais gêneros/espécies bacterianos diagnosticados foram Escherichia coli, Clostridium spp, Salmonella spp Brachyspira hyodysenteriae, Brachyspira pilosicoli e Lawsonia intracellularis. Os fatores de virulência de E. coli mais prevalentes na fase de maternidade foram F5 / (K99 20%, F6 / (987P 16,3%, F42 6,8% e F41 5,7%, já nas fases de creche e terminação, predominaram cepas com fimbrias F4 (K88 11,2% e 5,4%, respectivamente. Para E. coli os maiores índices de resistência foram encontrados para oxitetraciclina (94% e tetraciclina (89,5% e os menores índices de resistência para neomicina (55%, ceftiofur (57,4%. Quanto às amostras de Salmonella spp, estas apresentaram maior resistência à oxitetraciclina (77%, e à tetraciclina (42,1% e menor à gentamicina (3,5% e amoxicilina (4,8%.Infectious bacterial enteritis causes severe losses to the swine industry worldwide. The objective of this study was to determine the epidemiology of bacterial agents that are associated with the occurrence of diarrhea in pigs at different age groups, and to verify the profile of resistance of strains of Escherichia coli and Salmonella spp to the main antimicrobial agents. The main bacterial species diagnosed were Escherichia coli, Clostridium spp, Salmonella spp, Brachyspira hyodysenteriae, Brachyspira pilosicoli and Lawsonia intracellularis. The E. coli virulence factors of higher prevalence in preweaning piglets were F5 / (K99 20%, F6 / (987P 16.3%, F42 6.8% and F41 5.7%, whereas at the nursery and with

  16. SUPPORTING TEACHERS IN BECOMING AGENTS OF SOCIAL COHESION: PROFESSIONAL DEVELOPMENT IN POST-APARTHEID SOUTH AFRICA

    Directory of Open Access Journals (Sweden)

    Rada Jancic Mogliacci

    2016-12-01

    Full Text Available Policy and research have been advocating the importance of teachers in achieving equity and teachers are called to act as agents of social justice. This issue remains central to the development of a post-apartheid South Africa, where a need for reconciliation and healing still dominates the society. Such a landscape requires adequate support through transformative professional development. In this paper we analyse the design of the intervention ‘Teaching Respect for All’ that aims to empower teachers in South Africa to act as agents of social justice. Based on the literature review, content analysis of the intervention’s manual and resource book, and interviews with stakeholders we explore if the intervention outline can support teachers in becoming agents of social cohesion. The qualitative content analysis of the data unearthed four aspects of the intervention: the what, the how, the why, and the so what. We argue that while the intervention enables an alteration of teaching practice, altering teachers’ beliefs is a long-lasting and more challenging task. We conclude the paper with recommendations for transformative professional development programmes and the value of such for socially just education in South Africa.

  17. Agent-Based Modeling of China's Rural-Urban Migration and Social Network Structure.

    Science.gov (United States)

    Fu, Zhaohao; Hao, Lingxin

    2018-01-15

    We analyze China's rural-urban migration and endogenous social network structures using agent-based modeling. The agents from census micro data are located in their rural origin with an empirical-estimated prior propensity to move. The population-scale social network is a hybrid one, combining observed family ties and locations of the origin with a parameter space calibrated from census, survey and aggregate data and sampled using a stepwise Latin Hypercube Sampling method. At monthly intervals, some agents migrate and these migratory acts change the social network by turning within-nonmigrant connections to between-migrant-nonmigrant connections, turning local connections to nonlocal connections, and adding among-migrant connections. In turn, the changing social network structure updates migratory propensities of those well-connected nonmigrants who become more likely to move. These two processes iterate over time. Using a core-periphery method developed from the k -core decomposition method, we identify and quantify the network structural changes and map these changes with the migration acceleration patterns. We conclude that network structural changes are essential for explaining migration acceleration observed in China during the 1995-2000 period.

  18. Agent-based modeling of China's rural-urban migration and social network structure

    Science.gov (United States)

    Fu, Zhaohao; Hao, Lingxin

    2018-01-01

    We analyze China's rural-urban migration and endogenous social network structures using agent-based modeling. The agents from census micro data are located in their rural origin with an empirical-estimated prior propensity to move. The population-scale social network is a hybrid one, combining observed family ties and locations of the origin with a parameter space calibrated from census, survey and aggregate data and sampled using a stepwise Latin Hypercube Sampling method. At monthly intervals, some agents migrate and these migratory acts change the social network by turning within-nonmigrant connections to between-migrant-nonmigrant connections, turning local connections to nonlocal connections, and adding among-migrant connections. In turn, the changing social network structure updates migratory propensities of those well-connected nonmigrants who become more likely to move. These two processes iterate over time. Using a core-periphery method developed from the k-core decomposition method, we identify and quantify the network structural changes and map these changes with the migration acceleration patterns. We conclude that network structural changes are essential for explaining migration acceleration observed in China during the 1995-2000 period.

  19. Actividad "in vitro" de diferentes antibacterianos sobre bacilos gram-negativos no fermentadores, excluidos Pseudomonas aeruginosa y Acinetobacter spp ‘In vitro' activity of different antimicrobial agents on gram-negative nonfermentative bacilli, excluding Pseudomonas aeruginosa and Acinetobacter spp

    Directory of Open Access Journals (Sweden)

    C.A. Vay

    2005-03-01

    Full Text Available Los bacilos gram-negativos no fermentadores se encuentran ampliamente distribuidos en el medio ambiente. Además de causar dificultades en la identificación, a menudo presentan una marcada multirresistencia a los antimicrobianos incluyendo aquellos activos frente a Pseudomonas aeruginosa. El objetivo de este trabajo fue evaluar la actividad "in vitro" de diferentes antimicrobianos sobre 177 aislamientos de bacilos gram-negativos no fermentadores (excluidos Pseudomonas aeruginosa y Acinetobacter spp. provenientes de especimenes clínicos. Las concentraciones inhibitorias mínimas (CIM se determinaron por el método de dilución en agar Mueller Hinton frente a los siguientes antibacterianos: ampicilina, piperacilina, piperacilina-tazobactama, sulbactama, cefoperazona, cefoperazona-sulbactama, ceftazidima, cefepima, aztreonam, imipenem, meropenem, colistina, gentamicina, amicacina, trimetoprima-sulfametoxazol (TMS, cloranfenicol, eritromicina, rifampicina, norfloxacina, ciprofloxacina y minociclina. Sobre siete aislamientos: Sphingobacterium multivorum (2, Sphingobacterium spiritivorum (1, Empedobacter brevis (1, Weeksella virosa (1, Bergeyella zoohelcum (1 y Oligella urethralis (1 se ensayó la sensibilidad a amoxicilina-ácido clavulánico y ampicilina-sulbactama y no se determinó la actividad de cefoperazona ni de sulbactama. La multirresistencia fue comúnmente observada en los aislamientos de Stenotrophomonas maltophilia, Burkholderia cepacia, Chryseobacterium spp., Myroides spp., Achromobacter xylosoxidans y Ochrobactrum anthropi. En cambio, Pseudomonas stutzeri, Shewanella putrefaciens-algae, Sphingomonas paucimobilis, Pseudomonas oryzihabitans, Bergeyella zoohelcum, Weeksella virosa y Oligella urethralis, fueron ampliamente sensibles a los antibacterianos ensayados. Debido a la gran variabilidad observada en la sensibilidad a los antimicrobianos en las distintas especies, se hace imprescindible realizar la prueba de sensibilidad a los

  20. Molecular analysis of tooth enamel by Raman spectroscopy after treatment with bleaching agents at different concentrations; Analisis molecular del esmalte dental por medio de espectroscopia Raman despues del tratamiento con agentes blanqueadores a diferentes concentraciones

    Energy Technology Data Exchange (ETDEWEB)

    Duran Sedo, Randall; Obando Rosabal, Sofia; Saenz Bonilla, Paola; Soto Aguilar, Calendy; Vasquez Rodriguez, Amaya

    2014-07-01

    The changes in the concentration of the v1 phosphate molecule of the surface of dentin enamel are treated and researched with bleaching agents of chemical activation to basis of hydrogen peroxide than 9,5% and 14% and carbamide peroxide than 38%, for a period of 28 days. Raman spectroscopy was used and 30 dental pieces extracted, of which, were to be free of blemishes and pigmentations, without possessing fractures of the enamel, decay nor any other type of defect. The Raman spectrum was obtained of each dental piece prior to the application of bleaching agents. The specimens were separated into three experimental groups according to the concentration of whitening. The concentration of the v1 phosphate molecule was measured in the tooth enamel to the second and fourth week of treatment. In addition, ANOVA was performed for respective measurements (p≤0.05). A reduction of the v1 phosphate molecule were observed during and after the bleaching process in the experimental groups that have used of hydrogen peroxide to 14% and carbamide peroxide 38%. In the group of hydrogen peroxide to 9,5% has remained unproven a significant reduction. Within the limitations of this study is concluded that the bleaching agent causes a loss of v1 phosphate. This loss has been greater in the whitening of higher concentration. In spite, that the possible effect remineralizing of the saliva on a teeth whitening process has been unevaluated, it is recommended using during and after the treatment, toothpastes, mouthwashes, chewing gums, dental floss, among others, that contain ACP to help to cushion the potential loss of phosphate from tooth enamel. (author) [Spanish] Los cambios en la concentracion de la molecula de fosfato v1 de la superficie del esmalte dental son tratados e investigados con agentes blanqueadores de activacion quimica a base de peroxido de hidrogeno al 9,5% y 14% y peroxido de carbamida al 38%, por un periodo de 28 dias. Espectroscopia Raman fue utilizada y 30 piezas

  1. The scientific and technological research as an instrument of social development and agent of social inclusion

    Directory of Open Access Journals (Sweden)

    Noêmia Lazzareschi

    2007-12-01

    Full Text Available Underveloped technology countries bare the hard consequences of the dependence vicious circle: they are dependents because they have delayed technology and they have delayed technology because they are dependents. Only with massive investiments in school education and in scientific and technological research they should break this vicious circle, greatly responsable for the social wounds and build a new social structure in which most people, if not all their population can, in fact, to perform their citizen’s rights, putting an end to the social exclusion.

  2. Agents of Law: Psychoanalytic Perspective on Parenthood Practices as Socially Accepted Violence.

    Science.gov (United States)

    Even-Tzur, Efrat; Hadar, Uri

    2017-02-01

    This paper presents a theoretical model of parental authority from the vantage point of parental subjecthood, using a roughly Lacanian formulation of what it means to take a (parental) subject position. For Freud, the parental role involves the acceptance of social rules that may, at times, involve a socially acceptable degree of violence. Nevertheless, psychoanalytic discussions have disregarded the parents' subjective experience as agents of the Law and purveyors of threatening authority. The authors elaborate on Freud's and Lacan's ideas and delineate several prime types of parental identifications as agents of Law. The Lacanian theoretical constructs expanded in this discussion include two basic parental positions of authority, termed the Symbolic Father and the Imaginary Father, and one derivative position, called the Perverse Father, which are demonstrated through the story of Dr. Moritz Schreber. The paper discusses how these theoretical constructs bear upon the philosophical conceptualizations of law, violence, and legitimacy.

  3. Attitudes and beliefs about environmental hazards in three diverse communities in Texas on the border with Mexico Actitudes y creencias sobre los agentes nocivos ambientales en tres comunidades diferentes de la frontera de Texas con México

    Directory of Open Access Journals (Sweden)

    Theresa L. Byrd

    2001-03-01

    creencias sobre los riesgos ambientales en tres comunidades diferentes de la frontera entre Texas y México, en el condado de El Paso. Durante el verano de 1995 se realizó una encuesta a domicilio en la que se entrevistaron 147 individuos con un cuestionario basado en un instrumento preexistente. Las entrevistas se realizaron en tres zonas diferentes del condado: una semirrural y otra urbana de bajos ingresos y una suburbana de mayores ingresos. Los sectores específicos de cada una de las tres comunidades incluidos en la muestra fueron seleccionados aleatoriamente. Se evaluaron las actitudes y creencias sobre las leyes y los expertos, los agentes nocivos y los riesgos, y la forma de abordar los problemas ambientales. Resultados. Las actitudes y creencias variaron según la comunidad, especialmente con respecto a la evaluación de los riesgos de varios agentes nocivos. En general hubo desconfianza en los organismos gubernamentales y las industrias, una fuerte creencia de que es posible mejorar el ambiente, y desconocimiento de las acciones que los individuos pueden poner en marcha para mejorarlo. Conclusiones. Los organismos gubernamentales necesitan encontrar formas de incrementar su credibilidad pública y deberían sondear las comunidades con el fin de comprender las actitudes de los residentes.

  4. Simulación de procesos sociales basada en agentes software

    Directory of Open Access Journals (Sweden)

    MILLÁN ARROYO MENÉNDEZ

    2007-01-01

    en el modelado de un proceso social; las transformaciones religiosas de la sociedad española desde 1980. El artículo ilustrará desde esta experiencia y desde el ejemplo de esta aplicación concreta, las posibilidades, expectativas y también los desafíos, dificultades y limitaciones de la simulación con agentes en la investigación sociológica.

  5. Of Social Engineers & Corporate Espionage Agents:How Prepared Are SMEs in Developing Economies?

    OpenAIRE

    Yeboah-Boateng, Ezer Osei

    2013-01-01

    The purpose of this study is to create the awareness of cyber-security threats due to social engineers and corporate espionage agents, and to offer some mitigation measures aimed at minimizing the impact of insider attacks on SMEs in developing economies. Loyal and trusted employees can pose enormous and catastrophic cyber-risks to SMEs, in view of their insider-ness, access privileges and knowledge of the systems as well as associated inherent vulnerabilities. Cyber-security functionaries an...

  6. The scientific and technological research as an instrument of social development and agent of social inclusion

    OpenAIRE

    Noêmia Lazzareschi

    2007-01-01

    Underveloped technology countries bare the hard consequences of the dependence vicious circle: they are dependents because they have delayed technology and they have delayed technology because they are dependents. Only with massive investiments in school education and in scientific and technological research they should break this vicious circle, greatly responsable for the social wounds and build a new social structure in which most people, if not all their population can, in fact, to perfor...

  7. Privacy-aware mobile agent: Protecting privacy in open systems by modelling social behaviour of software agents

    NARCIS (Netherlands)

    Meyer, A.P.

    2004-01-01

    In distributed problem solving with multi-agent systems it is assumed that collective behaviour emerges from interaction among rational agents. The dissemination of mobile agents will lead to open systems. Emergent behaviour in open systems must fulfil common goals based on goals of individual

  8. Estatura de padres e hijos chilenos de diferente etnia y vulnerabilidad social Height of Chilean parents and their children, from different ethnicity and social status

    Directory of Open Access Journals (Sweden)

    Hugo Amigo

    2000-11-01

    Full Text Available OBJETIVO: Analizar y comparar la estatura de niños que ingresan a la escuela y la de sus padres, de acuerdo con sus antecedentes étnicos y nivel socioeconómico. MATERIAL Y MÉTODOS: Estudio transversal, realizado entre 1997 y 1999, en Santiago y la zona centro-sur de Chile, en 351 escolares indígenas y 531 no indígenas, y sus padres, provenientes de comunas de tres niveles de vulnerabilidad social: muy alta (pobreza, mediana y muy baja. Escolar indígena era el que tenía sus cuatro apellidos mapuches, el no indígena tenía sus cuatro apellidos de origen chileno-español. La estatura se comparó en medidas estandarizadas (puntaje Z utilizando como referencia la medición del cambio nutricional propuesta por la Organización Mundial de la Salud. Se estimaron las diferencias de medias de estatura padres-hijos con análisis de varianza y se determinó el origen de tales diferencias al aplicar el procedimiento de Scheffe. RESULTADOS: Los progenitores en ambas etnias aumentaron sus promedios de estatura al mejorar las condiciones sociales, excepto las madres indígenas que no presentaron incremento significativo. Los padres de la muy alta vulnerabilidad midieron 4 cm menos que los de la muy baja vulnerabilidad y las madres 2 cm menos (pOBJECTIVE: To analyze and compare the heights of first-year school children and their parents, according to ethnic background and socioeconomic status. MATERIAL AND METHODS: This is a cross-sectional study of indigenous and non-indigenous school children and their parents, belonging to three levels of social vulnerability: very high (poverty, medium, and very low. An indigenous school child was defined as any child having all four parental surnames of Mapuche origin; non-indigenous were those having Hispanic parental surname. Height was compared using Z scores, using WHO nutritional change reference values. Statistical analysis consisted in comparing differences of mean heights between parents and their children

  9. Social self-organization agent-based simulations and experiments to study emergent social behavior

    CERN Document Server

    2012-01-01

    What are the principles that keep our society together? This question is even more difficult to answer than the long-standing question, what are the forces that keep our world together. However, the social challenges of humanity in the 21st century ranging from the financial crises to the impacts of globalization, require us to make fast progress in our understanding of how society works, and how our future can be managed in a resilient and sustainable way. This book can present only a few very first steps towards this ambitious goal. However, based on simple models of social interactions, one can already gain some surprising insights into the social, ``macro-level'' outcomes and dynamics that is implied by individual, ``micro-level'' interactions. Depending on the nature of these interactions, they may imply the spontaneous formation of social conventions or the birth of social cooperation, but also their sudden breakdown. This can end in deadly crowd disasters or tragedies of the commons (such as financial ...

  10. Alignment in the decision-making process between agents in biodiesel supply chains; Identificacao dos fatores e motivacoes relacionados ao processo de tomada de decisao dos diferentes agentes da cadeia produtiva do biodiesel do Rio Grande do Sul, Brazil

    Energy Technology Data Exchange (ETDEWEB)

    Rathmann, Regis; Santos, Omar Inacio Benedetti [Universidade Federal do Rio de Janeiro (UFRJ), RJ (Brazil). Coordenacao dos Programas de Pos-Graduacao de Engenharia (COPPE). Programa de Planejamento Energetico; Padula, Antonio Domingos [Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS (Brazil)

    2008-07-01

    The aim of the present study is to identify and analyze the factors, motivations and criteria being considered in the decision-making processes of the actors belonging to the biodiesel production chain in RS, and confirm or otherwise, the existence of alignment in the decision-making process. Interviews were carried out with the main agents of the links that comprise the biodiesel chains in RS: 11 agricultural co-operatives, 3 biodiesel production plants and a firm that processes and distributes diesel/biodiesel. With regard the decision-making process of the cooperatives, it is centered on the decision to offer, or otherwise, oil-bearing crops for the production of biodiesel. Their decisions emphasize operational and short-term aspects. In contrast, in the firms producing biodiesel, their decision to produce this fuel is associated with addition of one more product to their market portfolio, and is correlated with a long-term view and the search for economic efficiency. In these firms, the benefits of the tax incentives offered by the public policies strongly influence the decision regarding the alternative oil-bearing crops used in the production of biodiesel. In the distributor, it was seen that the decision-making process was guided by long-term strategies. The decision to mix biodiesel with diesel oil being related to the institutional aspect, whatever the legal obligation to mix the fuels may be. In summary, the results show the existence of different characteristics linked to the decision-making process and a significant lack of synchronicity in the aims and motivations of the agents decisions. This state of decisional mis-alignment, associated with the fragilities of public policy, leads to heightened uncertainty regarding the sustainability of the Brazilian biodiesel production program. (author)

  11. Family as an agent of socialization in the transitional society: Sociological aspects

    Directory of Open Access Journals (Sweden)

    Dimitrijević Srboljub D.

    2014-01-01

    Full Text Available Considering the family as an agent of socialization in the transitional society it is necessary to start from the knowledge that the family is the first in the hierarchy of social values. It is also the fundamental social unit and the area of community, which has an enormous role in the life of every individual and in every social system. It is necessary to add the fact that the family as a social group is irreplaceable corner where a man is formed as a person, accomplishes himself and in that way satisfies human needs, which otherwise can be met only in the family. It is a universal human community, which plays an important role in the development of the man in society, not only the man as an individual, but also society as a whole. Studying the family as one of the oldest primary social groups within which biological, emotional, economic, educational - cultural and communication relationships, are realited, a number of theorists and researchers have found out that the family has not yet been sufficiently explored and there are many ambiguous and unresolved questions as well as problems behind us. In this respect the family has proved to be a constant movement in time and space, with a tan.gle of action and at the same time sensitive to the new changes in its internal and external relations in a global society. There are various factors in the development of socialization among children, which affect socialization, but it is rightly said that the family is the social environment where is the person developed, and that it is the most important factor in the socialization of society. Many family theorists say that it is a heterogeneous environment, i.e. society at large, where many social phenomena aresdved such as: love, hate, rivalry and solidarity, humanity and selfishness. A child in a family environment emulates all these habits so that graduallyit acquires certain social habits, and thus it also gains a certain attitude towards the society

  12. Education as an Agent of Social Evolution: The Educational Projects of Patrick Geddes in Late-Victorian Scotland

    Science.gov (United States)

    Sutherland, Douglas

    2009-01-01

    This paper examines the educational projects of Patrick Geddes in late-Victorian Scotland. Initially a natural scientist, Geddes drew on an eclectic mix of social theory to develop his own ideas on social evolution. For him education was a vital agent of social change which, he believed, had the potential to develop active citizens whose…

  13. TEACHERS AS AGENTS OF CHANGE: PROMOTING PEACEBUILDING AND SOCIAL COHESION IN SCHOOLS IN RWANDA

    Directory of Open Access Journals (Sweden)

    Jolly Rubagiza

    2016-12-01

    Full Text Available Education is seen to play a crucial role in the reconstruction of post-conflict countries, particularly in transforming people’s mindsets and rebuilding social relations. In this regard, teachers are often perceived as key agents to bring about this transformative change through their role as agents of peace. This paper seeks to understand how teachers are positioned to promote peacebuilding and social cohesion in Rwandan schools in the aftermath of the 1994 genocide against the Tutsi. The paper draws on data collected for an on-going broader study researching the role of teachers in peacebuilding in post-conflict contexts of Rwanda and South Africa. The methods used for data collection were semi-structured interviews, focus-group discussions, questionnaires and classroom observations. Theoretically the paper is informed by the broader research framework on sustainable peacebuilding in post-conflict situations, using the four dimensions of recognition, redistribution, representation and reconciliation (4Rs. The findings show that the policy environment is conducive to peacebuilding and recognises the important role of teachers and education in general, in the social, political and economic reconstruction of post-genocide Rwanda. However, there are a number of inter-related factors that pertain to teachers’ professional development, teacher management and the school environment that pose challenges to sustainable peacebuilding and social cohesion.

  14. Emotions as agents of social influence: insights from Emotions as Social Information (EASI) theory

    NARCIS (Netherlands)

    van Kleef, G.A.; Harkins, S.G.; Williams, K.D.; Burger, J.M.

    2017-01-01

    Emotion is part and parcel of social influence. The emotions people feel shape the ways in which they respond to persuasion attempts, and the emotions people express influence other individuals who observe those expressions. This chapter is concerned with the latter type of emotional influence. Such

  15. [Methodological novelties applied to the anthropology of food: agent-based models and social networks analysis].

    Science.gov (United States)

    Díaz Córdova, Diego

    2016-01-01

    The aim of this article is to introduce two methodological strategies that have not often been utilized in the anthropology of food: agent-based models and social networks analysis. In order to illustrate these methods in action, two cases based in materials typical of the anthropology of food are presented. For the first strategy, fieldwork carried out in Quebrada de Humahuaca (province of Jujuy, Argentina) regarding meal recall was used, and for the second, elements of the concept of "domestic consumption strategies" applied by Aguirre were employed. The underlying idea is that, given that eating is recognized as a "total social fact" and, therefore, as a complex phenomenon, the methodological approach must also be characterized by complexity. The greater the number of methods utilized (with the appropriate rigor), the better able we will be to understand the dynamics of feeding in the social environment.

  16. Respostas psicobiológicas agudas do treinamento resistido com diferentes níveis de interação social

    Directory of Open Access Journals (Sweden)

    C.V.L.S. Teixeira

    2018-04-01

    Full Text Available Resumo: Objetivo: Comparar respostas psicobiológicas e perceptuais agudas em homens normotensos e hipertensos, após sessões de treinamento resistido com diferentes níveis de interação social: treinamento resistido manual e treinamento resistido com pesos livres. Método: Vinte e seis homens (14 normotensos, 40.29 ± 8.63 anos, índice de massa corporal: 26.53 ± 5.24 kg/m2; 12 hipertensos, 46.00 ± 9.13 anos, índice de massa corporal: 32.51 ± 4.41 kg/m2 foram submetidos a sessões únicas de treinamento resistido manual e treinamento resistido com pesos livres. Foram aferidos ansiedade e humor nos momentos pré e pós‐intervenção. Adicionalmente, foi aplicado um questionário para identificar pontos positivos e negativos das intervenções. Para análise dos resultados, utilizou‐se ANOVA two‐way e post‐hoc de Bonferroni. Adotou‐se nível de significância de 5%. Para ansiedade e humor, também foi utilizada análise do tamanho do efeito. A análise do questionário qualitativo considerou a frequência de pontos positivos e negativos relatados pelos voluntários. Resultados: Nenhuma intervenção foi eficiente em diminuir significativamente os valores iniciais de ansiedade; no entanto, o treinamento resistido manual apresentou maior magnitude de diminuição no tamanho do efeito. Nos fatores negativos do humor, o treinamento resistido manual também proporcionou maiores magnitudes para diminuição no tamanho do efeito. O treinamento resistido manual teve mais pontos positivos e menos pontos negativos mencionados pela amostra, em relação ao treinamento resistido com pesos livres. Conclusão: O nível de interação social parece influenciar positivamente as respostas psicobiológicas agudas do treinamento resistido, e o treinamento resistido manual parece ser uma alternativa viável para esse objetivo. Resumen: Objetivo: Comparar las respuestas psicobiológicas y percepcionales agudas en hombres normotensos e

  17. Influence of different auxiliary agents of biomechanical preparation in the filling of "artificially prepared" lateral canals Influência de diferentes agentes auxiliares do preparo biomecânico na obturação de canais laterais artificiais

    Directory of Open Access Journals (Sweden)

    Daniela Ribeiro da Silva

    2005-06-01

    Full Text Available The purpose of the present study was to evaluate the influence of some auxiliary agents of biomechanical preparation of the root canal on the filling of artificial lateral canals in extracted human teeth. A total of eighty single-rooted teeth were employed, which were submitted to preparation of three artificial lateral canals in one of the proximal aspects at the cervical, middle and apical thirds, besides one in the buccal aspect. The main canals were prepared by Profile 0.4 rotary instruments through the crown-down technique and irrigated with the irrigants investigated, as follows: Group A - 1% sodium hypochlorite and final irrigation with trisodium EDTA for 5 minutes; Group B - Endogel (2% chlorhexidine gel; Group C - Endo PTC and Dakin's solution and final irrigation with Tergentol- Furacin; and Group D - File Eze. The root canals were obturated by the Tagger's hybrid technique and then radiographed for assessment of the penetration rate of the filling materials in the lateral canals. Analysis of the results demonstrated no statistically significant difference (pObjetivou-se avaliar a influência de alguns agentes auxiliares do preparo biomecânico do canal radicular, na obturação de canais laterais artificiais em dentes humanos extraídos. Foram utilizados oitenta dentes unirradiculados nos quais, previamente, foram confeccionados três canais laterais artificiais em uma das paredes proximais, nos terços cervical, médio e apical e um canal na parede vestibular. Os canais principais foram preparados com instrumentação rotatória, instrumentos Profile 0.4, pela técnica rotatória coroa- ápice e irrigados com a substância irrigadora estudada, sendo no grupo A - hipoclorito de sódio a 1% e irrigação final com EDTA trissódico por 5 minutos; grupo B - Endogel (gel de clorexidina a 2%; grupo C - Endo PTC e solução de Dakin e irrigação final com tergentol-furacin segundo a técnica de Paiva e Antoniazzi e no grupo D - File Eze

  18. Ação de diferentes agentes curtentes utilizados no curtimento de peles de coelhos: testes físico-mecânicos dos couros - DOI: 10.4025/actascianimsci.v31i4.5592 Action of different tanning agents used on rabbit hide tanning: physical-mechanic tests - DOI: 10.4025/actascianimsci.v31i4.5592

    Directory of Open Access Journals (Sweden)

    Nilson do Prado Franco

    2009-10-01

    Full Text Available O objetivo do experimento foi avaliar a ação de diferentes agentes curtentes no processamento das peles de coelhos, sobre a resistência do couro. Cinquenta peles de coelhos foram submetidas a diferentes agentes curtentes na etapa de curtimento (T1 = 6% sais de cromo Chromossal B®, T2 = 22% tanino vegetal Clarotan-x8®; T3 = 22% tanino sintético Syntac CW®; T4 = 12% tanino vegetal Weibull® + 10% tanino sintético Syntac F®; T5 = 22% tanino vegetal Weibull®. Foram retirados os corpos de prova do couro, na região dorsal, no sentido longitudinal e transversal em relação ao eixo céfalo-caudal. Os agentes curtentes e retirada dos corpos de prova não influenciaram no teste de tração (9,28 a 11,63 N mm-2 e força aplicada (17,91 N a 24,85 N nos testes. Os curtimentos com sais de cromo (62,85% e Clarotan–x8® (70,28% proporcionaram maiores valores de alongamento em relação aos demais agentes curtentes utilizados. Os corpos de prova do couro no sentido transversal (59,12% apresentaram maior alongamento comparado ao longitudinal (49,72%. Os curtimentos com sais de cromo (22,70 N mm-1, Clarotan–x8® (25,94 N mm-1 e Weibull® (21,58 N mm-1 proporcionaram couros com maior resistência ao rasgamento. O sentido de retirada dos corpos de prova no couro não influenciou no rasgamento progressivo. As técnicas de curtimento com sais de cromo e Clarotan-x8® proporcionaram couros com melhores valores de resistência ao alongamento e rasgamento progressivo.The objective of the experiment was to evaluate the action of different tanning agents in the processing of rabbit hides over skin resistance. Fifty skins of rabbit hides were submitted to different tanning agents in the tanning stage (T1 = 6% Chromossal B® chrome salts; T2 = 22% Clarotan–x8® vegetable tannin; T3 = 22% Syntac CW® synthetic tannin; T4 = 12% Weibull® vegetable tannin + 10% Syntac F® synthetic tannin; T5 = 22% Weibull® vegetable tannin. The specimens were removed from

  19. Dynamic impact of social stratification and social influence on smoking prevalence by gender: An agent-based model.

    Science.gov (United States)

    Chao, Dingding; Hashimoto, Hideki; Kondo, Naoki

    2015-12-01

    Smoking behavior is tightly related to socioeconomic status and gender, though the dynamic and non-linear association of smoking prevalence across socioeconomic status and gender groups has not been fully examined. With a special focus on gender-bound differences in the susceptibility to social influence of surrounding others' behaviors, we developed an agent-based model to explore how socioeconomic disparity between and within gender groups affects changes in smoking prevalence. Our developed base model reasonably reproduced the actual trend changes by gender groups over the past 5 years in Japan. Counterfactual experiments with the developed model revealed that closing within- and between-gender disparities in socioeconomic status had a limited impact on reducing smoking prevalence. To the contrary, greater socioeconomic disparity facilitated the reduction in prevalence among males, but it impeded that reduction in females. The counterfactual scenario with equalizing gender-bound susceptibility to social influence among women to men's level showed a dramatic reduction in female prevalence without changing the reduction in male prevalence. Simulation results may provide alternative explanation of the growing disparity in smoking prevalence despite improved welfare equality observed in many developed countries, and suggest that redistribution policies may have side effects of widening health gap. Instead, social policy to reduce social pressures to smoking and support interventions to enhance resilience to the pressure targeting the vulnerable population (in this study, women) would be a more effective strategy in combating the tobacco epidemic and closing the health gap. Copyright © 2015. Published by Elsevier Ltd.

  20. Combining integrated river modelling and agent based social simulation for river management; The case study of the Grensmaas project

    NARCIS (Netherlands)

    Valkering, P.; Krywkow, Jorg; Rotmans, J.; van der Veen, A.; Douben, N.; van Os, A.G.

    2003-01-01

    In this paper we present a coupled Integrated River Model – Agent Based Social Simulation model (IRM-ABSS) for river management. The models represent the case of the ongoing river engineering project “Grensmaas”. In the ABSS model stakeholders are represented as computer agents negotiating a river

  1. A MULTI-AGENT BASED SOCIAL CRM FRAMEWORK FOR EXTRACTING AND ANALYSING OPINIONS

    Directory of Open Access Journals (Sweden)

    ABDELAZIZ EL FAZZIKI

    2017-08-01

    Full Text Available Social media provide a wide space for people from around the world to communicate, share knowledge and personal experiences. They increasingly become an important data source for opinion mining and sentiment analysis, thanks to shared comments and reviews about products and services. And companies are showing a growing interest to harness their potential, in order to support setting up marketing strategies. Despite the importance of sentiment analysis in decision making, there is a lack of social intelligence integration at the level of customer relationship management systems. Thus, social customer relationship management (SCRM systems have become an interesting research area. However, they need deep analytic techniques to transform the large amount of data “Big Data” into actionable insights. Such systems also require an advanced modelling and data processing methods, and must consider the emerging paradigm related to proactive systems. In this paper, we propose an agent based social framework that extracts and consolidates the reviews expressed via social media, in order to help enterprises know more about customers’ opinions toward a particular product or service. To illustrate our approach, we present the case study of Twitter reviews that we use to extract opinions and sentiment about a set of products using SentiGem API. Data extraction, analysis and storage are performed using a framework based on Hadoop MapReduce and HBase.

  2. Enterprising education - a research on students as agents of change in social entrepreneurship

    Directory of Open Access Journals (Sweden)

    Gauca Oana Codruta

    2017-07-01

    Full Text Available This article is a study on the awareness and understanding of social entrepreneurship among students. Moreover, the article aims to emphasize the different meanings this buzz word has developed, whether it is the purpose of social entrepreneurship, the fields it activates in or the profit which should or should not be distributed. We aim to cover aspects of the definition of the social entrepreneurship field, as well as the ways in which students act as agents of change. The main research methodologies used except for literature review are interviews and case studies for several social business developed by students. The interviews are with no predetermined questions, in order to allow flexibility. The article wants to demonstrate that students are the emerging social entrepreneurs and important initiators of change in this field. In this regards, students should be educated and should develop skills within the universities programs, skills that are very specific compared to simple entrepreneurship. The main theoretical contribution to the field of education is the proven necessity that education facilities need to educate themselves. In order to create our future entrepreneurs as well as provide them with the skills set necessary to become entrepreneurs, education needs to become enterprising. The main practical contribution is the proof of students being involved in the change of society around them and main contributors to their environment.

  3. SHIFTING THE FUTURE? TEACHERS AS AGENTS OF SOCIAL CHANGE IN SOUTH AFRICAN SECONDARY SCHOOLS

    Directory of Open Access Journals (Sweden)

    Christina Lane Cappy

    2016-12-01

    Full Text Available South Africa has risen to the forefront of educational debates that claim schooling can promote social justice and social cohesion. By drawing on Freire’s (1970 theory of critical pedagogy, this paper examines how South African teachers in rural and township schools encourage students to reflect critically upon their own lives and take action to improve issues of inequality, violence, and insecurity. It argues that teachers understand their roles as agents of social change primarily as encouraging respect, morality, and racial reconciliation among learners. The ways in which the youth take up the teachers’ efforts to promote change depends upon how the teachers’ practices speak to the students’ own life circumstances. When the youth relate to the teachers’ life stories and course material, they engage in the process of moral translation. In other words, the youth rework their lessons into ideas of how they should behave as moral human beings. Yet, frequently young South Africans do not learn a morality based on a Freirean notion of social justice – a seemingly central component to the national curriculum – but instead a morality based on individualised notions of personal responsibility and hope for a better future. The paper concludes with several suggestions to improve educational practices for social justice.

  4. Islamic Religious Leaders in Israel as Social Agents for Change on Health-Related Issues.

    Science.gov (United States)

    Cohen-Dar, Michal; Obeid, Samira

    2017-12-01

    Islamic religious leaders (IRLs) have the potential to influence health education, health promotion, and positive health outcomes among their own communities. This study aims to examine the role and effectiveness of Arab Muslim religious leaders, in Israel, as social agents for change on health-related issues, focusing on reduction in infant mortality, prematurity, and congenital malformations attributed to consanguineous marriage. A self-administrated questionnaire was distributed to 127 IRLs, in 2012, to gain insights into practice, attitudes, and perceptions of IRLs toward their role as social agents for change on health-related issues. The results indicate that two-thirds (58%) of the surveyed IRLs have provided frequent advice on issues related to preventing infant mortality, congenital malformation, and prematurity over the past two years. Most IRLs indicated that they have keen interest in their communities' health matters (97%) and regard dealing with them as part of their job (85%). The study identified three enabling factors that had significant influence on the IRLs' attitude. These influences are: awareness and knowledge of the health issues, the perception that these issues and their impact on the community are part of their responsibility, and the empowerment they felt through the participation in the Ministry of Health (Northern Region Health Office) educational seminar series, in the year 2000. The main conclusion from this study indicates that IRLs are effective social agents for change and that the educational interventions can be a useful and effective strategy to encourage IRLs to cooperate with health providers and promote public health among their own communities.

  5. The role of socializing agents in communicating healthy eating to adolescents

    DEFF Research Database (Denmark)

    Chan, Kara; Prendergast, Gerard; Grønhøj, Alice

    A survey was conducted of 386 Danish and Hong Kong adolescents aged 11 to 16. Looking at socializing agents, respondents claimed that parents asked them to eat healthy food more often than the government publicity, teachers or friends. Parents were also perceived as being the most effective sourc...... five advertising appeals....... in encouraging them to eat healthy food. Respondents considered news and fear appeals for communicating healthy eating the most effective, while popularity and achievement appeals were considered less effective. Respondents with higher collectivism scores showed a higher liking and perceived effectiveness of all...

  6. Brownian Agents and Active Particles: Collective Dynamics in the Natural and Social Sciences

    International Nuclear Information System (INIS)

    McKane, Alan

    2003-01-01

    This is a book about the modelling of complex systems and, unlike many books on this subject, concentrates on the discussion of specific systems and gives practical methods for modelling and simulating them. This is not to say that the author does not devote space to the general philosophy and definition of complex systems and agent-based modelling, but the emphasis is definitely on the development of concrete methods for analysing them. This is, in my view, to be welcomed and I thoroughly recommend the book, especially to those with a theoretical physics background who will be very much at home with the language and techniques which are used. The author has developed a formalism for understanding complex systems which is based on the Langevin approach to the study of Brownian motion. This is a mesoscopic description; details of the interactions between the Brownian particle and the molecules of the surrounding fluid are replaced by a randomly fluctuating force. Thus all microscopic detail is replaced by a coarse-grained description which encapsulates the essence of the interactions at the finer level of description. In a similar way, the influences on Brownian agents in a multi-agent system are replaced by stochastic influences which sum up the effects of these interactions on a finer scale. Unlike Brownian particles, Brownian agents are not structureless particles, but instead have some internal states so that, for instance, they may react to changes in the environment or to the presence of other agents. Most of the book is concerned with developing the idea of Brownian agents using the techniques of statistical physics. This development parallels that for Brownian particles in physics, but the author then goes on to apply the technique to problems in biology, economics and the social sciences. This is a clear and well-written book which is a useful addition to the literature on complex systems. It will be interesting to see if the use of Brownian agents becomes

  7. Multi-Agent Inference in Social Networks: A Finite Population Learning Approach.

    Science.gov (United States)

    Fan, Jianqing; Tong, Xin; Zeng, Yao

    When people in a society want to make inference about some parameter, each person may want to use data collected by other people. Information (data) exchange in social networks is usually costly, so to make reliable statistical decisions, people need to trade off the benefits and costs of information acquisition. Conflicts of interests and coordination problems will arise in the process. Classical statistics does not consider people's incentives and interactions in the data collection process. To address this imperfection, this work explores multi-agent Bayesian inference problems with a game theoretic social network model. Motivated by our interest in aggregate inference at the societal level, we propose a new concept, finite population learning , to address whether with high probability, a large fraction of people in a given finite population network can make "good" inference. Serving as a foundation, this concept enables us to study the long run trend of aggregate inference quality as population grows.

  8. TEACHERS AS AGENTS OF SUSTAINABLE PEACE, SOCIAL COHESION AND DEVELOPMENT: THEORY, PRACTICE & EVIDENCE

    Directory of Open Access Journals (Sweden)

    Mario Novelli

    2016-12-01

    Full Text Available This paper presents a ‘peace with social justice’ framework for analysing the role of teachers as agents of sustainable peace, social cohesion and development and applies this to research evidence from Pakistan, Uganda, Myanmar and South Africa. The paper draws on evidence from a recently completed UNICEF and ESRC funded project on education and peacebuilding, and specifically from data gathered around the role of teachers. Drawing on rich fieldwork data collected between 2014‒2016 in each of the four countries, the paper will evidence the complex and contradictory role that teachers play in sustainable peace and development and its implications for teacher governance, teacher policy and teacher practice. The paper challenges the overly human capital driven logics of much teacher policy reform agendas and highlights the need and importance for a more holistic approach to teacher governance and management that recognises teachers’ multiple potential to contribute to both societal peace and development.

  9. Validez del modelo bidimensional de socialización parental en diferentes entornos sociales de la cultura española : implicaciones para el ajuste psicosocial de los adolescentes

    OpenAIRE

    Fuentes Durán, María del Castillo

    2014-01-01

    Durante las últimas décadas, la literatura empírica ha demostrado en repetidas ocasiones la influencia que tienen las diferentes formas de actuación de los padres en el proceso de socialización en el ajuste psicológico y social de los hijos. La investigación en torno a la socialización familiar se ha basado tradicionalmente en el modelo teórico de dos grandes dimensiones teóricamente independientes (aceptación/implicación y severidad/imposición, Darling y Steinberg, 1993; Maccoby y Martin...

  10. Social adaptation in multi-agent model of linguistic categorization is affected by network information flow.

    Science.gov (United States)

    Zubek, Julian; Denkiewicz, Michał; Barański, Juliusz; Wróblewski, Przemysław; Rączaszek-Leonardi, Joanna; Plewczynski, Dariusz

    2017-01-01

    This paper explores how information flow properties of a network affect the formation of categories shared between individuals, who are communicating through that network. Our work is based on the established multi-agent model of the emergence of linguistic categories grounded in external environment. We study how network information propagation efficiency and the direction of information flow affect categorization by performing simulations with idealized network topologies optimizing certain network centrality measures. We measure dynamic social adaptation when either network topology or environment is subject to change during the experiment, and the system has to adapt to new conditions. We find that both decentralized network topology efficient in information propagation and the presence of central authority (information flow from the center to peripheries) are beneficial for the formation of global agreement between agents. Systems with central authority cope well with network topology change, but are less robust in the case of environment change. These findings help to understand which network properties affect processes of social adaptation. They are important to inform the debate on the advantages and disadvantages of centralized systems.

  11. Refugees Flexing Social Power as Agents of Stability: Creating Modes of Economic Livelihoods in Kenya’s Camps

    Science.gov (United States)

    2017-11-21

    Creating Modes of Economic Livelihoods in Kenya’s Camps Co ns tr uc tio n En gi ne er in g R es ea rc h La bo ra to ry Lance L. Larkin and Sarah A...November 2017 Refugees Flexing Social Power as Agents of Stability Creating Modes of Economic Livelihoods in Kenya’s Camps Lance L. Larkin and...understanding shows that refugee camp citizens harness their own social power, acting as agents of social and economic stability within the country

  12. Multi-Equilibria Regulation Agent-Based Model of Opinion Dynamics in Social Networks

    Directory of Open Access Journals (Sweden)

    Andreas Koulouris

    2013-01-01

    Full Text Available This article investigates the Multiple Equilibria Regulation (MER model, i.e., an agent-based simulation model, to represent opinion dynamics in social networks. It relies on a small set of micro-prerequisites (intra-individual balance and confidence bound, leading to emergence of (nonstationary macro-outcomes. These outcomes may refer to consensus, polarization or fragmentation of opinions about taxation (e.g., congestion pricing or other policy measures, according to the way communication is structured. In contrast with other models of opinion dynamics, it allows for the impact of both the regulation of intra-personal discrepancy and the interpersonal variability of opinions on social learning and network dynamics. Several simulation experiments are presented to demonstrate, through the MER model, the role of different network structures (complete, star, cellular automata, small-world and random graphs on opinion formation dynamics and the overall evolution of the system. The findings can help to identify specific topological characteristics, such as density, number of neighbourhoods and critical nodes-agents, that affect the stability and system dynamics. This knowledge can be used to better organize the information diffusion and learning in the community, enhance the predictability of outcomes and manage possible conflicts. It is shown that a small-world organization, which depicts more realistic aspects of real-life and virtual social systems, provides increased predictability and stability towards a less fragmented and more manageable grouping of opinions, compared to random networks. Such macro-level organizations may be enhanced with use of web-based technologies to increase the density of communication and public acceptability of policy measures.

  13. El clima social de l'aula entre els alumnes repetidors amb els seus companys a través de Agent SocialMetric

    Directory of Open Access Journals (Sweden)

    Antonieta Kuz

    2015-12-01

    Full Text Available En aquest article descriurem una plataforma computacional web, anomenada Agent SocialMetric que simplifica al docent l'obtenció, gestió i mostra del clima de l'aula donat pel grau i estructura de les relacions dels alumnes a la classe, a través d'un agent d'interfície conversacional anomenat Albert, amb el qual el docent interactua en llenguatge natural. Agent SocialMetric possibilitarà que els docents coneguin els alumnes a través de les seves relacions reticulars, establint l'estructura social de la classe. Circumscriurem l'aplicació a un cas pràctic en l'àmbit d'Educació Secundària i coneixerem el clima social de la classe on hi ha alumnes repetidors i determinarem si aquests estan integrats amb aquells que no ho són.

  14. Competencias TIC del profesorado participante en los planes de formación gestionados por los Agentes Sociales: el Sindicato FETE-UGT

    OpenAIRE

    Casal Otero, Lorena

    2016-01-01

    La Competencia en TIC se ha convertido en una competencia básica de los trabajadores de la sociedad del conocimiento. También, como no puede ser de otra forma, del profesorado. Esto implica la necesidad de formación en TIC. Esta formación llega a al profesorado a través de diferentes vías: formación inicial en la Universidad y la formación permanente a través de diferentes agentes de formación, el autoaprendizaje y el aprendizaje con otros. Nuestro trabajo indaga los usos de la...

  15. Methodological novelties applied to the anthropology of food: agent-based models and social networks analysis

    Directory of Open Access Journals (Sweden)

    Diego Díaz Córdova

    2016-12-01

    Full Text Available En este artículo presentamos dos modalidades metodológicas que aún no han sido muy utilizadas en la antropología alimentaria. Por un lado, nos referimos al análisis de redes sociales y, por otro, a los modelos basados en agentes. Para ilustrar los métodos, tomaremos dos casos de materiales clásicos de la antropología alimentaria. Para el primero usaremos los platos de comida de un relevamiento hecho en la Quebrada de Humahuaca (provincia de Jujuy, Argentina y, para el segundo, utilizaremos algunos elementos del concepto aplicado por Aguirre de “estrategias domésticas de consumo”. La idea subyacente es que, dado que la alimentación se reconoce como un “hecho social total” y, por lo tanto, como un fenómeno complejo, el abordaje metodológico debe seguir necesariamente esa misma característica. Mientras más métodos utilicemos (con el grado de rigor adecuado mejor estaremos preparados para comprender la dinámica alimentaria en el medio social.

  16. An agent-based model for emotion contagion and competition in online social media

    Science.gov (United States)

    Fan, Rui; Xu, Ke; Zhao, Jichang

    2018-04-01

    Recent studies suggest that human emotions diffuse in not only real-world communities but also online social media. However, a comprehensive model that considers up-to-date findings and multiple online social media mechanisms is still missing. To bridge this vital gap, an agent-based model, which concurrently considers emotion influence and tie strength preferences, is presented to simulate the emotion contagion and competition. Our model well reproduces patterns observed in the empirical data, like anger's preference on weak ties, anger-dominated users' high vitalities and angry tweets' short retweet intervals, and anger's competitiveness in negative events. The comparison with a previously presented baseline model further demonstrates its effectiveness in modeling online emotion contagion. It is also surprisingly revealed by our model that as the ratio of anger approaches joy with a gap less than 12%, anger will eventually dominate the online social media and arrives the collective outrage in the cyber space. The critical gap disclosed here can be indeed warning signals at early stages for outrage control. Our model would shed lights on the study of multiple issues regarding emotion contagion and competition in terms of computer simulations.

  17. Influência de diferentes agentes de corpo nas características reológicas e sensoriais de chocolates diet em sacarose e light em calorias Influence of different bulk agents in the rheological and sensory characteristics of diet and light chocolate

    Directory of Open Access Journals (Sweden)

    Cristiane Rodrigues Gomes

    2007-09-01

    Full Text Available Foram estudados diferentes agentes de corpo na substituição total da sacarose na formulação de chocolate, buscando-se obter um produto diet em sacarose e light em calorias (25% de redução calórica teórica em relação à formulação padrão, com sacarose e com boa aceitação sensorial. Os agentes de corpo utilizados neste estudo foram: polidextrose, inulina, frutooligossacarídeos - FOS, lactitol e maltitol; como edulcorante de alta intensidade empregou-se a sucralose. Os chocolates light obtidos foram submetidos às análises de umidade (Karl Fisher, tamanho de partículas (micrômetro digital e propriedades reológicas (viscosidade plástica - etaca e limite de escoamento de Casson - tauca. O teor de umidade dos chocolates light variou de 1,23 a 2,12%; o tamanho de partículas de 19 a 24 µm; o etaca de 6,60 a 11,00 Pa.s; e o tauca de 0,05 a 1,31 Pa. As formulações com polidextrose, polidextrose e lactitol e polidextrose e maltitol foram selecionadas para análise sensorial por apresentarem boa performance tecnológica e adequada maquinabilidade da massa de chocolate durante as diferentes etapas do processo. A análise sensorial indicou que as três formulações avaliadas não diferiram entre si ao nível de significância de 5% em relação à intensidade do aroma, dureza, derretimento na boca e sabor e, quanto à intenção de compra, as amostras diferiram entre si ao nível de significância de 5%, sendo que a formulação que continha 32,60% de Polidextrose e 15,57% de Maltitol foi a preferida.A study was made of various bulk agents as sucrose substitutes in the formulation of chocolate, aiming to obtain a diet product in terms of sucrose and a light product in terms of calories (25% fewer calories than standard formulations containing sucrose with good sensorial acceptance. The bulk agents used in this study were polydextrose, inulin, fructo-oligosaccharides - FOS, lactitol and maltitol. Sucralose was used as a high intensity

  18. Building in the 'Historic Villages of Portugal': Social Processes, Practices and Agents

    Directory of Open Access Journals (Sweden)

    Luís Silva

    2011-03-01

    Full Text Available ‘Historic Villages of Portugal’ is the label of a tourist network created by a local development programme applied in twelve villages located in the centro region of Portugal. This article focuses on the social processes, practices, and agents involved in heritage building within the framework of this programme. The main argument is that heritage building entails processes of protection, appropriation, and manipulation of cultural expressions for tourist consumption, following international trends on heritage and development. These processes implicate tensions, conflicts, negotiations and cooperation among those who intervene, above all political authorities, specialists in historic conservation (principally architects the tourism sector, and local populations. Historic conservationists have a ‘monumental’ vision of heritage, which does not correspond to the ‘social’ vision of the majority of the residents in the protected spaces.

  19. The role of socializing agents in communicating healthy eating to adolescents

    DEFF Research Database (Denmark)

    Chan, Kara; Prendergast, Gerard; Grønhøj, Alice

    2011-01-01

    A survey was conducted of 386 Danish and Hong Kong adolescents aged 11 to 16. Results showed that the consumption of relatively unhealthy food was common among respondents. Looking at socializing agents, respondents claimed that parents asked them to eat healthy food more often than the governmen....... There were some gender and age differences in the liking and perceived effectiveness of five advertising appeals. Respondents with higher collectivism scores showed a higher liking and perceived effectiveness of advertising appeals....... publicity, teachers or friends. Parents were also perceived as being the most effective source in encouraging them to eat healthy food. Respondents considered news and fear appeals for communicating healthy eating the most effective, while popularity and achievement appeals were considered less effective...

  20. Social representation of domestic violence against women among Nursing Technicians and Community Agents

    Directory of Open Access Journals (Sweden)

    Camila Daiane Silva

    2015-02-01

    Full Text Available OBJECTIVE To analyze the social representations of the Nursing Technicians and Community Health Agents about domestic violence against women. METHOD A qualitative study carried out in the city of Rio Grande, RS, in which evocations and interviews were collected between July and November 2013. For the treatment of data were used the EVOC 2005 software and the context analysis. RESULT It is a structured representation, in which the central nucleus contains conceptual, imaging and attitudinal elements, namely: abuse, aggression, physical aggression, cowardice and lack of respect. Such terms were present in the context of the interviews. The professionals acknowledged that violence is not limited to physical aspects and were judgemental about the acts of the aggressor. CONCLUSION This knowledge may enable the problematization of the studied phenomenon with the team, and facilitate the search for prevention and intervention strategies for victims, offenders and managers of health services.

  1. El papel de los agentes sociales en un contexto no lucrativo

    Directory of Open Access Journals (Sweden)

    Antonio Muñoz Porcar

    2009-01-01

    Full Text Available El objeto de este trabajo es contextualizar el papel de los Agentes Sociales en la economía y en las teorías explicativas del nacimiento de las Organizaciones no Lucrativas o tercer sector. Para ello, después de un análisis del origen de las ONL desde el lado de la demanda y desde la oferta, se ha realizado una encuesta a los directivos de estas organizaciones y se concluye que de las teorías que explican por el lado de la oferta la aparición de estas organizaciones son dos de ellas las que lo explican: teoría de los grupos de poder y teoría de apoyos del sector público.

  2. Abolishing coinsurance for oral antihyperglycemic agents: effects on social insurance budgets.

    Science.gov (United States)

    Athanasakis, Kostas; Skroumpelos, Anastasis G; Tsiantou, Vassiliki; Milona, Katerina; Kyriopoulos, John

    2011-02-01

    To assess the effects of abolishing coinsurance for oral antihyperglycemic agents (OAAs) on the social insurance fund budget in Greece. A mathematical model estimating the effect of a decrease in patient coinsurance rate on demand for and adherence to OAAs and the subsequent clinical and economic outcomes. Price elasticity of demand for antidiabetic agents was used to estimate quantity demand change as a result of a coinsurance rate decrease and consequent increased adherence to OAAs. Given the inverse relationship between OAA adherence and glycated hemoglobin (A1C) level, the model calculated the mean decrease in A1C level and associated cost savings based on the cost difference between patients with controlled versus uncontrolled A1C levels. A decrease in patient coinsurance rate from 25% to 0% led to an incremental increase in OAA adherence of 30.5% and a mean decrease in A1C level of 0.6%. The A1C level decrease contributed to an 18.5% "shift" of uncontrolled patients to controlled A1C levels (<7%), which in economic terms translated into savings of 324 euro per patient over a 3-year period and an investment return rate of 122.8%. A series of 1-way and 2-way sensitivity analyses were conducted to verify the robustness and validity of the outcomes. The introduction of policies aimed at abolishing coinsurance for OAAs can result in improved patient outcomes and cost savings for the healthcare system.

  3. Complex social waves of giant honeybees provoked by a dummy wasp support the special-agent hypothesis.

    Science.gov (United States)

    Kastberger, Gerald; Weihmann, Frank; Hoetzl, Thomas

    2010-03-01

    The social waves in giant honeybees termed as shimmering are more complex than mexican waves. it has been demonstrated1 that shimmering is triggered by special agents at the nest surface. in this paper, we have used a nest that originated by amalgamation of two previously separated nests and stimulated waves by a dummy wasp moved on a miniature cable car. we illustrate the plausibility of the special-agent hypothesis1 also for complex shimmering processes.

  4. Complex social waves of giant honeybees provoked by a dummy wasp support the special-agent hypothesis

    OpenAIRE

    Kastberger, Gerald; Weihmann, Frank; Hoetzl, Thomas

    2010-01-01

    The social waves in giant honeybees termed as shimmering are more complex than mexican waves. it has been demonstrated1 that shimmering is triggered by special agents at the nest surface. in this paper, we have used a nest that originated by amalgamation of two previously separated nests and stimulated waves by a dummy wasp moved on a miniature cable car. we illustrate the plausibility of the special-agent hypothesis1 also for complex shimmering processes.

  5. Proc. Agent 2004 Conf. on Social Dynamics : Interaction, Reflexivity and Emergence

    Energy Technology Data Exchange (ETDEWEB)

    C. M. Macal, D. Sallach, M. J. North, eds.

    2004-01-01

    I'd like to welcome you to the Agent 2004 conference. As most of you are aware, this conference is the fifth in a series of meetings that began in 1999. A conference followed the next year in 2000. The 2001 conference was skipped because of some conflicts with other conferences, and the conferences have proceeded annually since then. We have the proceedings of the previous conferences available here on CDs. One CD has the proceedings from 1999, 2000, and 2002; the other contains last year's proceedings. The purpose of these conferences is to advance the state of the computational social sciences and to integrate the social sciences with the decision sciences and something that is traditionally known as the management sciences. Those of you in the operations/research area are familiar with the traditional school of modeling simulation that emerged from that scientific area. This conference will bring together a different group of people to talk about the topic of agent-based theories and simulations. This fifth agent conference is one of a group of conferences held annually around the country. Most of you are probably aware of the CASOS Conference held at Carnegie Mellon University, usually in July. UCLA holds the Arrowhead Conference, generally around May. The University of Michigan is now holding a conference as well. Of course everyone is aware of SwarmFest, which has been held annually for about a decade. The Swarm seems to 'swarm' in different locations each year. As you're well aware, this conference is organized into a three-day program. This is the first time we've used three days for the full conference setting. Last year, we held simultaneous sessions, and that didn't work well for most of those who attended. We had complaints from people who missed sessions and papers because of scheduling, so we decided to extend this year's conference by one day. As a result, we now have a program designed to present the papers in

  6. On the emergence of an ‘intention field’ for socially cohesive agents

    International Nuclear Information System (INIS)

    Bouchaud, Jean-Philippe; Borghesi, Christian; Jensen, Pablo

    2014-01-01

    We argue that when a social convergence mechanism exists and is strong enough, one should expect the emergence of a well-defined ‘field’, i.e. a slowly evolving, local quantity around which individual attributes fluctuate in a finite range. This condensation phenomenon is well illustrated by the Deffuant–Weisbuch opinion model for which we provide a natural extension to allow for spatial heterogeneities. We show analytically and numerically that the resulting dynamics of the emergent field is a noisy diffusion equation that has a slow dynamics. This random diffusion equation reproduces the long-ranged, logarithmic decrease of the correlation of spatial voting patterns empirically found in Borghesi and Bouchaud (2010 Eur. Phys. J. B 75 395) and Borghesi et al (2012 PLoS One 7 e36289). Interestingly enough, we find that when the social cohesion mechanism becomes too weak, cultural cohesion breaks down completely, in the sense that the distribution of intentions/opinions becomes infinitely broad. No emerging field exists in this case. All these analytical findings are confirmed by numerical simulations of an agent-based model. (paper)

  7. Ansiedad social específica y generalizada: ¿variantes del mismo trastorno o categorías diferentes con características similares?

    Directory of Open Access Journals (Sweden)

    Ihab Zubeidat

    2007-01-01

    Full Text Available El objetivo de este estudio descriptivo transversal fue evaluar las diferencias y similitudes entre la ansiedad social específica y generalizada en una muestra de adolescentes españoles. Para ello, un total de 1.012 jóvenes fueron evaluados, en su entorno escolar, mediante una serie de pruebas que miden variables demográficas, ansiedad social, competencias psicosociales y distintos problemas clínicos. Dos grupos de ansiedad social (específica, n = 50; generalizada, n = 38 fueron establecidos en función de un doble criterio cuantitativo mediante la Escala de Ansiedad en Interacción Social. Los resultados indicaron que no había diferencias significativas entre los dos grupos respecto a las variables demográficas y competencias psicosociales evaluadas. Las únicas diferencias significativas encontradas fueron obtenidas en las variables referidas a la actuación e interacción en situaciones sociales, donde los adolescentes con ansiedad social generalizada puntaron más alto que los que presentaban ansiedad social específica. Parece ser que el patrón de las diferencias en los niveles de ansiedad va asociado a las propias situaciones de actuación e interacción social.

  8. Exploring the Role of Social Media and Individual Behaviors in Flood Evacuation Processes: An Agent-Based Modeling Approach

    Science.gov (United States)

    Du, Erhu; Cai, Ximing; Sun, Zhiyong; Minsker, Barbara

    2017-11-01

    Flood warnings from various information sources are important for individuals to make evacuation decisions during a flood event. In this study, we develop a general opinion dynamics model to simulate how individuals update their flood hazard awareness when exposed to multiple information sources, including global broadcast, social media, and observations of neighbors' actions. The opinion dynamics model is coupled with a traffic model to simulate the evacuation processes of a residential community with a given transportation network. Through various scenarios, we investigate how social media affect the opinion dynamics and evacuation processes. We find that stronger social media can make evacuation processes more sensitive to the change of global broadcast and neighbor observations, and thus, impose larger uncertainty on evacuation rates (i.e., a large range of evacuation rates corresponding to sources of information). For instance, evacuation rates are lower when social media become more influential and individuals have less trust in global broadcast. Stubborn individuals can significantly affect the opinion dynamics and reduce evacuation rates. In addition, evacuation rates respond to the percentage of stubborn agents in a nonlinear manner, i.e., above a threshold, the impact of stubborn agents will be intensified by stronger social media. These results highlight the role of social media in flood evacuation processes and the need to monitor social media so that misinformation can be corrected in a timely manner. The joint impacts of social media, quality of flood warnings, and transportation capacity on evacuation rates are also discussed.

  9. Short Paper and Poster Proceedings of the 22nd Annual Conference on Computer Animation and Social Agents

    NARCIS (Netherlands)

    Nijholt, Antinus; Egges, A.; van Welbergen, H.; Hondorp, G.H.W.

    2009-01-01

    These are the proceedings containing the short and poster papers of CASA 2009, the twenty second international conference on Computer Animation and Social Agents. CASA 2009 was organized in Amsterdam, the Netherlands from the 17th to the 19th of June 2009. CASA is organized under the auspices of the

  10. The Effects of Social Cue Principles on Cognitive Load, Situational Interest, Motivation, and Achievement in Pedagogical Agent Multimedia Learning

    Science.gov (United States)

    Park, Sanghoon

    2015-01-01

    Animated pedagogical agents have become popular in multimedia learning with combined delivery of verbal and non-verbal forms of information. In order to reduce unnecessary cognitive load caused by such multiple forms of information and also to foster generative cognitive processing, multimedia design principles with social cues are suggested…

  11. Racism Here, Racism There, Racism Everywhere: The Racial Realities of Minoritized Peer Socialization Agents at a Historically White Institution

    Science.gov (United States)

    Linley, Jodi L.

    2018-01-01

    I critically examined the ways racially minoritized college students who served as peer socialization agents (i.e., orientation leaders, tour guides) experienced their campus climate in relation to their racial identities and student ambassador positions. Framed by critical race theory, the counternarratives of 11 racially minoritized peer…

  12. Interest (mis)alignments in representative negotiations: Do pro-social agents fuel or reduce inter-group conflict?

    NARCIS (Netherlands)

    Aaldering, H.; Greer, L.L.; van Kleef, G.A.; de Dreu, C.K.W.

    2013-01-01

    In representative negotiations, interests of the representative and the represented constituency are not always aligned. We investigated how interest (mis)alignment and representative’s social value orientation influence representative negotiations. Past theory and research on the principal-agent

  13. Towards Agent-Based Simulation of Emerging and Large-Scale Social Networks. Examples of the Migrant Crisis and MMORPGs

    Directory of Open Access Journals (Sweden)

    Schatten, Markus

    2016-10-01

    Full Text Available Large-scale agent based simulation of social networks is described in the context of the migrant crisis in Syria and the EU as well as massively multi-player on-line role playing games (MMORPG. The recipeWorld system by Terna and Fontana is proposed as a possible solution to simulating large-scale social networks. The initial system has been re-implemented using the Smart Python multi-Agent Development Environment (SPADE and Pyinteractive was used for visualization. We present initial models of simulation that we plan to develop further in future studies. Thus this paper is research in progress that will hopefully establish a novel agent-based modelling system in the context of the ModelMMORPG project.

  14. Ansiedad social específica y generalizada: ¿variantes del mismo trastorno o categorías diferentes con características similares?

    OpenAIRE

    Ihab Zubeidat; Antonio Fernández-Parra; Juan Carlos Sierra; José María Salinas

    2007-01-01

    El objetivo de este estudio descriptivo transversal fue evaluar las diferencias y similitudes entre la ansiedad social específica y generalizada en una muestra de adolescentes españoles. Para ello, un total de 1.012 jóvenes fueron evaluados, en su entorno escolar, mediante una serie de pruebas que miden variables demográficas, ansiedad social, competencias psicosociales y distintos problemas clínicos. Dos grupos de ansiedad social (específica, n = 50; generalizada, n = 38) fuer...

  15. Socially rational agents in spatial land use planning: a heuristic proposal based negotiation mechanism

    NARCIS (Netherlands)

    Ghavami, S.M.; Taleai, M.; Arentze, T.A.

    2016-01-01

    This paper introduces a novel heuristic based negotiation model for urban land use planning by using multi-agent systems. The model features two kinds of agents: facilitator and advocate. Facilitator agent runs the negotiation according to a certain protocol that defines the procedure. Two roles are

  16. Investigating the influence of social exclusion on persuasion by a virtual agent

    NARCIS (Netherlands)

    Ruijten, P.A.M.; Ham, J.R.C.; Midden, C.J.H.; Spagnolli, A.; Chittaro, L.; Gamberini, L.

    2014-01-01

    Persuasive agents may function as a tool to induce changes in human behavior. Research has shown that human-likeness of such agents influences their effectiveness. Besides characteristics of the agent, other characteristics may also have strong influences on persuasive agents’ effectiveness. One

  17. When artificial social agents try to persuade people : the role of social agency on the occurrence of psychological reactance

    NARCIS (Netherlands)

    Roubroeks, M.A.J.; Ham, J.R.C.; Midden, C.J.H.

    2011-01-01

    In the near future, robotic agents might employ persuasion to influence people’s behavior or attitudes, just as human agents do in many situations. People can comply with these requests, but, people can also experience psychological reactance, which may lead to the complete opposite of the proposed

  18. Socializing Agents for Sport and Physical Activities in Teenage Students: Comparative Studies in Samples From Costa Rica, Mexico, and Spain.

    Science.gov (United States)

    Ruiz-Juan, Francisco; Baena-Extremera, Antonio; Granero-Gallegos, Antonio

    2017-01-01

    The aim of this study is to analyze a set of socializing agents for sport and physical activities and to establish their relationship with leisure time sport and physical activities behaviors and practice patterns in samples of teenage students with different sociocultural backgrounds. The sample included 2168 students in their first year of secondary education, 423 of them being from Costa Rica, 408 from Mexico, and 1337 from Spain (1052 male students, 1037 female students, and 79 students who did not specify gender) aged 11-16 years old ( M = 12.49; SD = .81). A validated questionnaire with questions about leisure time sport and physical activities and socializing agents was used. Descriptive, inferential, and multinomial logistic regression analyses were carried out with SPSS 17.0 to compare all three countries. Costa Rica had the most active students, best friends' inactivity, and unsupportive parents being the agents predicting inactivity and a low level of sport and physical activities. Mexico has a high dropout rate and inactive students exceed active ones; no agent predicts inactivity or sport and physical activities pattern. Spain has the highest level of sport and physical activities practice, and parents, siblings, and friends are predicting agents of inactivity together with unsupportive parents and friends.

  19. Linking Bayesian and agent-based models to simulate complex social-ecological systems in semi-arid regions

    Directory of Open Access Journals (Sweden)

    Aloah J Pope

    2015-08-01

    Full Text Available Interdependencies of ecologic, hydrologic, and social systems challenge traditional approaches to natural resource management in semi-arid regions. As a complex social-ecological system, water demands in the Sonoran Desert from agricultural and urban users often conflicts with water needs for its ecologically-significant riparian corridors. To explore this system, we developed an agent-based model to simulate complex feedbacks between human decisions and environmental conditions in the Rio Sonora Watershed. Cognitive mapping in conjunction with stakeholder participation produced a Bayesian model of conditional probabilities of local human decision-making processes resulting to changes in water demand. Probabilities created in the Bayesian model were incorporated into the agent-based model, so that each agent had a unique probability to make a positive decision based on its perceived environment at each point in time and space. By using a Bayesian approach, uncertainty in the human decision-making process could be incorporated. The spatially-explicit agent-based model simulated changes in depth-to-groundwater by well pumping based on an agent’s water demand. Changes in depth-to-groundwater feedback to influence agent behavior, as well as determine unique vegetation classes within the riparian corridor. Each vegetation class then provides varying stakeholder-defined quality values of ecosystem services. Using this modeling approach allowed us to examine effects on both the ecological and social system of semi-arid riparian corridors under various scenarios. The insight provided by the model contributes to understanding how specific interventions may alter the complex social-ecological system in the future.

  20. Different impressions of other agents obtained through social interaction uniquely modulate dorsal and ventral pathway activities in the social human brain.

    Science.gov (United States)

    Takahashi, Hideyuki; Terada, Kazunori; Morita, Tomoyo; Suzuki, Shinsuke; Haji, Tomoki; Kozima, Hideki; Yoshikawa, Masahiro; Matsumoto, Yoshio; Omori, Takashi; Asada, Minoru; Naito, Eiichi

    2014-09-01

    Internal (neuronal) representations in the brain are modified by our experiences, and this phenomenon is not unique to sensory and motor systems. Here, we show that different impressions obtained through social interaction with a variety of agents uniquely modulate activity of dorsal and ventral pathways of the brain network that mediates human social behavior. We scanned brain activity with functional magnetic resonance imaging (fMRI) in 16 healthy volunteers when they performed a simple matching-pennies game with a human, human-like android, mechanical robot, interactive robot, and a computer. Before playing this game in the scanner, participants experienced social interactions with each opponent separately and scored their initial impressions using two questionnaires. We found that the participants perceived opponents in two mental dimensions: one represented "mind-holderness" in which participants attributed anthropomorphic impressions to some of the opponents that had mental functions, while the other dimension represented "mind-readerness" in which participants characterized opponents as intelligent. Interestingly, this "mind-readerness" dimension correlated to participants frequently changing their game tactic to prevent opponents from envisioning their strategy, and this was corroborated by increased entropy during the game. We also found that the two factors separately modulated activity in distinct social brain regions. Specifically, mind-holderness modulated activity in the dorsal aspect of the temporoparietal junction (TPJ) and medial prefrontal and posterior paracingulate cortices, while mind-readerness modulated activity in the ventral aspect of TPJ and the temporal pole. These results clearly demonstrate that activity in social brain networks is modulated through pre-scanning experiences of social interaction with a variety of agents. Furthermore, our findings elucidated the existence of two distinct functional networks in the social human brain

  1. La dinámica placer/afecto en la constitución de feminidades en mujeres negras y mestizas-blancas de diferentes sectores sociales en el suroccidente colombiano

    Directory of Open Access Journals (Sweden)

    Fernando Urrea Giraldo

    Full Text Available Este articulo analiza la producción de determinadas feminidades en el suroeste colombiano actual, a través de las tensiones entre placer y afecto reveladas por las biografías sexuales de 18 mujeres negras y blancas-mestizas, de diferentes clases sociales, color de piel, orientación sexual, generación, edad, estado civil y prole. A través de la construcción de cuatro tipologías, se aborda el papel creciente del placer en la conformación social de las subjetividades contemporáneas. Parte de los resultados son debatidos a partir de la perspectiva foucaultiana, el feminismo radical, la teoría queer, y el psicoanálisis lacaniano, con aportes de la sociología y el feminismo afroamericano. El presente texto se inscribe en la teoría feminista de la interseccionalidad, y plantea especialmente el papel de la racialización en la vivencia de la sexualidad de las mujeres negras entrevistadas, mediante la articulación de las dimensiones sexual y racial.

  2. An Agent-mediated Approach to Promote Knowledge Sharing Through Enterprise Social Networks

    NARCIS (Netherlands)

    Van Splunter, S.; Sedighi, M.

    2013-01-01

    Broadening adoption of social network tools within the enterprise suggests a new and valuable source for insight into the social structure through organizations. While online social media tools are being evolved by enterprises in recent years, the social media are used much for knowledge sharing.

  3. The Attempts of Pro-Social Communication Agents in Communicating and Shaping Environmental Behaviour via the Internet

    OpenAIRE

    Bailey, James A

    2009-01-01

    With the increase in focus on environmental advertising during the early 1990s, it is surprising that more research has not focused on advertisings effect on influencing and shaping consumer behaviour change. This is seen as crucial in the next few decreased due to a general agreement on the effect that consumers behaviours have on climate change. Communicating this pro-social behaviour change has in recent years diversified into Internet communications and other communication agents, as well...

  4. Profiling the Buzz Agent: Product Referral and the Study of Social Community and Brand Attachment

    OpenAIRE

    Claro,Danny Pimentel; Bortoluzzo,Adriana Bruscato

    2015-01-01

    The buzz agent is any consumer perceived by others as a source of product referral. Previous literature in word of mouth (WOM) has looked into characteristics of individuals who successfully persuade others to choose a brand. While there have been studies in this field, the literature is still scattered and little has been done to profile the consumer playing the buzz-agent role. We aim to deepen our understanding about the consumer who must be recruited as a buzz agent by a firm ...

  5. Embodied conversational agents for multimodal automated social skills training in people with autism spectrum disorders.

    Science.gov (United States)

    Tanaka, Hiroki; Negoro, Hideki; Iwasaka, Hidemi; Nakamura, Satoshi

    2017-01-01

    Social skills training, performed by human trainers, is a well-established method for obtaining appropriate skills in social interaction. Previous work automated the process of social skills training by developing a dialogue system that teaches social communication skills through interaction with a computer avatar. Even though previous work that simulated social skills training only considered acoustic and linguistic information, human social skills trainers take into account visual and other non-verbal features. In this paper, we create and evaluate a social skills training system that closes this gap by considering the audiovisual features of the smiling ratio and the head pose (yaw and pitch). In addition, the previous system was only tested with graduate students; in this paper, we applied our system to children or young adults with autism spectrum disorders. For our experimental evaluation, we recruited 18 members from the general population and 10 people with autism spectrum disorders and gave them our proposed multimodal system to use. An experienced human social skills trainer rated the social skills of the users. We evaluated the system's effectiveness by comparing pre- and post-training scores and identified significant improvement in their social skills using our proposed multimodal system. Computer-based social skills training is useful for people who experience social difficulties. Such a system can be used by teachers, therapists, and social skills trainers for rehabilitation and the supplemental use of human-based training anywhere and anytime.

  6. Agent-based Modelling of Social Emotional Decision Making in Emergency Situations

    NARCIS (Netherlands)

    Bosse, T.; Hoogendoorn, M.; Klein, M.C.A.; Sharpanskykh, A.; Treur, J.; van der Wal, C.N.; van Wissen, A.

    2013-01-01

    Social decision making under stressful circumstances may involve strong emotions and contagion from others. Recent developments in Social Neuroscience have revealed neural mechanisms by which social contagion of cognitive and emotional states can be realised. In this paper, based on these

  7. An Investigation on Social Representations: Inanimate Agent Can Mislead Dogs (Canis familiaris) in a Food Choice Task.

    Science.gov (United States)

    Abdai, Judit; Gergely, Anna; Petró, Eszter; Topál, József; Miklósi, Ádám

    2015-01-01

    The nature of mental representation of others plays a crucial role in social interactions. Dogs present an ideal model species for the investigation of such mental representations because they develop social ties with both conspecifics and heterospecifics. Former studies found that dogs' preference for larger food quantity could be reversed by humans who indicate the smaller quantity. The question is whether this social bias is restricted to human partners. We suggest that after a short positive social experience, an unfamiliar moving inanimate agent (UMO) can also change dogs' choice between two food quantities. We tested four groups of dogs with different partners: In the (1) Helper UMO and (2) Helper UMO Control groups the partner was an interactive remote control car that helped the dog to obtain an otherwise unreachable food. In the (3) Non-helper UMO and (4) Human partner groups dogs had restricted interaction with the remote control car and the unfamiliar human partners. In the Human partner, Helper UMO and Helper UMO Control groups the partners were able to revert dogs' choice for the small amount by indicating the small one, but the Non-helper UMO was not. We suggest that dogs are able to generalize their wide range of experiences with humans to another type of agent as well, based on the recognition of similarities in simple behavioural patterns.

  8. An Investigation on Social Representations: Inanimate Agent Can Mislead Dogs (Canis familiaris in a Food Choice Task.

    Directory of Open Access Journals (Sweden)

    Judit Abdai

    Full Text Available The nature of mental representation of others plays a crucial role in social interactions. Dogs present an ideal model species for the investigation of such mental representations because they develop social ties with both conspecifics and heterospecifics. Former studies found that dogs' preference for larger food quantity could be reversed by humans who indicate the smaller quantity. The question is whether this social bias is restricted to human partners. We suggest that after a short positive social experience, an unfamiliar moving inanimate agent (UMO can also change dogs' choice between two food quantities. We tested four groups of dogs with different partners: In the (1 Helper UMO and (2 Helper UMO Control groups the partner was an interactive remote control car that helped the dog to obtain an otherwise unreachable food. In the (3 Non-helper UMO and (4 Human partner groups dogs had restricted interaction with the remote control car and the unfamiliar human partners. In the Human partner, Helper UMO and Helper UMO Control groups the partners were able to revert dogs' choice for the small amount by indicating the small one, but the Non-helper UMO was not. We suggest that dogs are able to generalize their wide range of experiences with humans to another type of agent as well, based on the recognition of similarities in simple behavioural patterns.

  9. Examining social norm impacts on obesity and eating behaviors among US school children based on agent-based model.

    Science.gov (United States)

    Wang, Youfa; Xue, Hong; Chen, Hsin-jen; Igusa, Takeru

    2014-09-06

    Although the importance of social norms in affecting health behaviors is widely recognized, the current understanding of the social norm effects on obesity is limited due to data and methodology limitations. This study aims to use nontraditional innovative systems methods to examine: a) the effects of social norms on school children's BMI growth and fruit and vegetable (FV) consumption, and b) the effects of misperceptions of social norms on US children's BMI growth. We built an agent-based model (ABM) in a utility maximization framework and parameterized the model based on empirical longitudinal data collected in a US nationally representative study, the Early Childhood Longitudinal Study - Kindergarten Cohort (ECLS-K), to test potential mechanisms of social norm affecting children's BMI growth and FV consumption. Intraclass correlation coefficients (ICC) for BMI were 0.064-0.065, suggesting that children's BMI were similar within each school. The correlation between observed and ABM-predicted BMI was 0.87, indicating the validity of our ABM. Our simulations suggested the follow-the-average social norm acts as an endogenous stabilizer, which automatically adjusts positive and negative deviance of an individual's BMI from the group mean of a social network. One unit of BMI below the social average may lead to 0.025 unit increase in BMI per year for each child; asymmetrically, one unit of BMI above the social average, may only cause 0.015 unit of BMI reduction. Gender difference was apparent. Social norms have less impact on weight reduction among girls, and a greater impact promoting weight increase among boys. Our simulation also showed misperception of the social norm would push up the mean BMI and cause the distribution to be more skewed to the left. Our simulation results did not provide strong support for the role of social norms on FV consumption. Social norm influences US children's BMI growth. High obesity prevalence will lead to a continuous increase in

  10. Participación comunitaria en la prevención del dengue: un abordaje desde la perspectiva de los diferentes actores sociales

    Directory of Open Access Journals (Sweden)

    Toledo-Romaní María Eugenia

    2006-01-01

    Full Text Available OBJETIVO: explorar las percepciones sobre la participación comunitaria en la prevención del dengue durante la investigación formativa de un proyecto comunitario. MATERIAL Y MÉTODOS: Estudio conducido en tres áreas de salud de Santiago de Cuba durante el año 2000. Se combinan técnicas cualitativas y cuantitativas para explorar opiniones de los profesionales de salud, líderes comunitarios y una muestra aleatoria de población. RESULTADOS: Los profesionales identifican la no participación de la comunidad y sus propias limitaciones para involucrarla activamente en la prevención. Los líderes refieren falta de motivación, y la población vincula la eliminación del vector con el uso de tecnologías. Se perciben barreras en la aceptación de las actividades del programa de control y en general la "participación" es interpretada como "colaboración". CONCLUSIONES: La población ha trasferido responsabilidad del control del Aedes aegypti al sector salud. Se evidencia la necesidad de unificar conceptos sobre la participación comunitaria y conciliar intereses entre usuarios y proveedores de los servicios para lograr una real movilización social.

  11. fertilizada con diferentes abonos

    Directory of Open Access Journals (Sweden)

    Jorge Alberto Elizondo-Salazar

    2007-01-01

    Full Text Available Producción y calidad de la biomasa de morera (Morus alba fertilizada con diferentes abonos. Se llevó a cabo un experimento en la Estación Experimental “Alfredo Volio Mata” de la Universidad de Costa Rica con el fi n de evaluar la aplicación de 150 kg de N/ha/año proveniente de dos abonos orgánicos: lombriabono y compostaje; y de un fertilizante químico, sobre la producción y calidad de la biomasa de morera. El periodo experimental comprendió un ciclo de 12 meses, iniciando en julio del 2003 y fi nalizando en julio del 2004. Se utilizó una plantación de morera de 12 años de establecida con una densidad de siembra de 27.777 plantas/ ha. Se empleó un diseño de bloques completos al azar con cuatro tratamientos: dos abonos orgánicos, nitrato de amonio (33,5% N y un control. Las plantas se podaron a 0,6 m sobre el nivel del suelo al inicio del ensayo. Durante el periodo experimental, las plantas fueron podadas consecutivamente cada 90 días. Las hojas y los tallos fueron separados y analizados para determinar el contenido de materia seca y proteína cruda. La producción de materia seca fue 23% superior y el contenido de proteína cruda fue signifi cativamente mayor con el nitrógeno químico, mientras que el contenido de materia seca fue menor. No se encontraron diferencias signifi cativas entre el tratamiento control y los tratamientos orgánicos.

  12. Unravelling variation in feeding, social interaction and growth patterns among pigs using an agent-based model.

    Science.gov (United States)

    Boumans, Iris J M M; de Boer, Imke J M; Hofstede, Gert Jan; Bokkers, Eddie A M

    2018-07-01

    Domesticated pigs, Sus scrofa, vary considerably in feeding, social interaction and growth patterns. This variation originates partly from genetic variation that affects physiological factors and partly from behavioural strategies (avoid or approach) in competitive food resource situations. Currently, it is unknown how variation in physiological factors and in behavioural strategies among animals contributes to variation in feeding, social interaction and growth patterns in animals. The aim of this study was to unravel causation of variation in these patterns among pigs. We used an agent-based model to explore the effects of physiological factors and behavioural strategies in pigs on variation in feeding, social interaction and growth patterns. Model results show that variation in feeding, social interaction and growth patterns are caused partly by chance, such as time effects and coincidence of conflicts. Furthermore, results show that seemingly contradictory empirical findings in literature can be explained by variation in pig characteristics (i.e. growth potential, positive feedback, dominance, and coping style). Growth potential mainly affected feeding and growth patterns, whereas positive feedback, dominance and coping style affected feeding patterns, social interaction patterns, as well as growth patterns. Variation in behavioural strategies among pigs can reduce aggression at group level, but also make some pigs more susceptible to social constraints inhibiting them from feeding when they want to, especially low-ranking pigs and pigs with a passive coping style. Variation in feeding patterns, such as feeding rate or meal frequency, can indicate social constraints. Feeding patterns, however, can say something different about social constraints at group versus individual level. A combination of feeding patterns, such as a decreased feed intake, an increased feeding rate, and an increased meal frequency might, therefore, be needed to measure social constraints

  13. Understanding Group/Party Affiliation Using Social Networks and Agent-Based Modeling

    Science.gov (United States)

    Campbell, Kenyth

    2012-01-01

    The dynamics of group affiliation and group dispersion is a concept that is most often studied in order for political candidates to better understand the most efficient way to conduct their campaigns. While political campaigning in the United States is a very hot topic that most politicians analyze and study, the concept of group/party affiliation presents its own area of study that producers very interesting results. One tool for examining party affiliation on a large scale is agent-based modeling (ABM), a paradigm in the modeling and simulation (M&S) field perfectly suited for aggregating individual behaviors to observe large swaths of a population. For this study agent based modeling was used in order to look at a community of agents and determine what factors can affect the group/party affiliation patterns that are present. In the agent-based model that was used for this experiment many factors were present but two main factors were used to determine the results. The results of this study show that it is possible to use agent-based modeling to explore group/party affiliation and construct a model that can mimic real world events. More importantly, the model in the study allows for the results found in a smaller community to be translated into larger experiments to determine if the results will remain present on a much larger scale.

  14. Responsabilidad social empresarial. una herramienta de gestión que armoniza las relaciones entre los diferentes actores de la empresa

    Directory of Open Access Journals (Sweden)

    Patricio Ojeda Pérez de Arce

    2008-07-01

    Full Text Available La Responsabilidad Social Empresarial (RSE es una herramienta de gestión que se ha incorporado en los planes estratégicos de las empresas. De preferencia, la están aplicando las grandes compañías, aunque otras instituciones como universidades, fundaciones y gremios están aportando ideas para enriquecerla. Sobre la materia, el segmento ilustrado está dividido; algunos asocian la RSE con la idea de ciudadano corporativo responsable, es decir, con empresas que se desenvuelven con rigurosidad ética en el mercado; en cambio, otros la perciben como una modalidad sofisticada de marketing que se usa para atenuar los problemas reales o latentes que tienen las empresas con sus stakeholders (1. En la actualidad, ambos puntos de vista conviven. Algunos empresarios aplican la RSE con el propósito de darle un sentido trascendente a su obra creadora, en tanto que otros la perciben como un medio para suplir carencias de imagen o para cautivar a los consumidores, sin un trasfondo de valores, más allá de la rentabilidad del negocio. Dos fundaciones privadas chilenas definen el concepto. Para Acción Empresarial, la RSE es una visión de negocios que integra armónicamente el respeto por los valores éticos, las personas, la comunidad y el medio ambiente (2. Por su parte, Prohumana la define como un compromiso de la empresa de contribuir al desarrollo económico sostenible, trabajando con los empleados, sus familias, la comunidad local y la sociedad en general, para mejorar su calidad de vida (3. El objetivo principal de este artículo es exponer los principios y oportunidades que ofrece la RSE y su contribución al posicionamiento de la empresa como un ente capaz de conciliar sus metas económicas con los objetivos de la sociedad. Un objetivo secundario es discutir si la RSE, tal como se entiende y aplica actualmente, es una herramienta basada en convicciones o se trata de una nueva estrategia de marketing. The Social Responsibility of Corporations

  15. The Social Media as a Transformative Agent in the Electoral Process

    OpenAIRE

    ALMAREZ, DM, DAVID N; MALAWANI, AJREE D

    2016-01-01

    The growing use of social media in social interaction has changed the mode ofpolitical campaign in the Philippines. This research sought to determine the influences of social media in the presidential prefer-ences of netizens during the campaign period for the 2016 presidential elections in the Philippines. It also looked into the pattern of the preferences of respon-dents among the five presidential candidates for the 2016 presidential election. A total of 289 respondents participated out of...

  16. Brownian agents and active particles collective dynamics in the natural and social sciences

    CERN Document Server

    Schweitzer, Frank

    2007-01-01

    ""This book lays out a vision for a coherent framework for understanding complex systems"" (from the foreword by J. Doyne Farmer). By developing the genuine idea of Brownian agents, the author combines concepts from informatics, such as multiagent systems, with approaches of statistical many-particle physics. This way, an efficient method for computer simulations of complex systems is developed which is also accessible to analytical investigations and quantitative predictions. The book demonstrates that Brownian agent models can be successfully applied in many different contexts, ranging from

  17. Shifting the Future? Teachers as Agents of Social Change in South African Secondary Schools

    Science.gov (United States)

    Cappy, Christina Lane

    2016-01-01

    South Africa has risen to the forefront of educational debates that claim schooling can promote social justice and social cohesion. By drawing on Freire's (1970) theory of critical pedagogy, this paper examines how South African teachers in rural and township schools encourage students to reflect critically upon their own lives and take action to…

  18. The New Student Activism: Supporting Students as Agents of Social Change

    Science.gov (United States)

    Jacoby, Barbara

    2017-01-01

    The "new student activism," as it is often called, is a hot topic in higher education as well as in the popular press and social media. As a college student in the late '60s and early '70s, a long-time student affairs professional, a scholar and practitioner of service-learning, and an academic teaching a course on social change, the…

  19. Status differentiation : New insights from agent-based modeling and social network analysis

    NARCIS (Netherlands)

    Grow, André

    2016-01-01

    Status is an important aspect of social life that affects people from the day they are born until the day they die. In this dissertation, André Grow examines the processes by which status inequality can emerge between individuals and between social groups, such as men/women, whites/non-whites, and

  20. A Social-Cognitive Framework for Pedagogical Agents as Learning Companions

    Science.gov (United States)

    Kim, Yanghee; Baylor, Amy L.

    2006-01-01

    Teaching and learning are highly social activities. Seminal psychologists such as Vygotsky, Piaget, and Bandura have theorized that social interaction is a key mechanism in the process of learning and development. In particular, the benefits of peer interaction for learning and motivation in classrooms have been broadly demonstrated through…

  1. Social Facilitation Effects by Pedagogical Conversational Agent: Lexical Network Analysis in an Online Explanation Task

    Science.gov (United States)

    Hayashi, Yugo

    2015-01-01

    The present study investigates web-based learning activities of undergraduate students who generate explanations about a key concept taught in a large-scale classroom. The present study used an online system with Pedagogical Conversational Agent (PCA), asked to explain about the key concept from different points and provided suggestions and…

  2. Educational Interface Agents as Social Models to Influence Learner Achievement, Attitude and Retention of Learning

    Science.gov (United States)

    Yilmaz, Ramazan; Kilic-Cakmak, Ebru

    2012-01-01

    This study examined the impacts of educational interface agents with different attributes on achievement, attitude and retention of elementary school students in their science and technology courses. The study was implemented in four different eighth- grade classes (aged 13-14) of an elementary school. Four different types of educational software,…

  3. Identifying and Exploring Factors Affecting Embodied Conversational Agent Social Presence for Interpersonal Skills Training

    Science.gov (United States)

    Chuah, Joon Hao

    2013-01-01

    Embodied conversational agents (ECAs) have been used as virtual conversational partners in interpersonal skills training applications such as medical interviews, military decision making, and cultural training. Ideally, in interpersonal skills training users will perceive and treat the ECAs the same as they would real people. The perception and…

  4. An intelligent spatial land use planning support system using socially rational agents

    NARCIS (Netherlands)

    Ghavami, S.M.; Taleai, M.; Arentze, T.A.

    2017-01-01

    This research presents an intelligent planning support system based on multi-agent systems for spatial urban land use planning. The proposed system consists of two main phases: a pre-negotiation phase and an automated negotiation phase. The pre-negotiation phase involves interaction between human

  5. Apreciación de los agentes culturales y dinamizadores de movimientos sociales sobre Millán Santos

    Directory of Open Access Journals (Sweden)

    Paulo Freire

    2004-01-01

    Full Text Available Millán Santos participó de forma significativa en la organización y dinamización de los movimientos sociales, especialmente de Educación de Personas Adultas, de Valladolid. Desde su contexto particular de un barrio obrero que experimentaba un fuerte cambio social, debido al proceso acelerado de desarrollo industrial al que se incorporaba una población que emigra del medio rural y que precisa de una formación cultural de la que carece para manejarse en la vida urbana y anhelante de un futuro mejor para sus hijos, desarrolla los valores propios de un movimiento social para la transformación cultural y educativa. Aparte del significado histórico que envuelve su acción, ya que transcurre desde el final de la dictadura hasta la consolidación de la democracia, su legado ha sido la puesta en práctica de unos valores en su acción educativa, heredados de Paulo Freire: la igualdad, el diálogo y el compromiso social. Este ejercicio ha supuesto una importante aportación en la generación de agentes culturales y dinamizadores de movimientos sociales, desde unos planteamientos de formación que identifican y valoran ellos mismos.

  6. Using the forest, people, fire agent-based social network model to investigate interactions in social-ecological systems

    Science.gov (United States)

    Paige Fischer; Adam Korejwa; Jennifer Koch; Thomas Spies; Christine Olsen; Eric White; Derric Jacobs

    2013-01-01

    Wildfire links social and ecological systems in dry-forest landscapes of the United States. The management of these landscapes, however, is bifurcated by two institutional cultures that have different sets of beliefs about wildfire, motivations for managing wildfire risk, and approaches to administering policy. Fire protection, preparedness, and response agencies often...

  7. A NEW PARADIGMA OF THE ECONOMICAL AGENT. FROM ADAM SMITHS HOMO ECONOMICUS TO HOMO GENEROSUS BASED ON SOCIAL RESPONSIBILITY

    Directory of Open Access Journals (Sweden)

    PUP ANCA

    2010-12-01

    Full Text Available Analyzed form outside, many actions of the economical agent seem to be impulse by the self interest. As a prototype of this kind of person we have the Homo economicus as Adam Smith described it. In a blitz portrait we identify some characteristics: he is perfect rational, perfect egoist, perfect free, perfect competitive and perfect social. The aim of this research is to permute the barycentre from Homo economicus based on self interest, to Homo generosus, based on social responsibility. As a support we have used the prison dilemma to illustrate the roll of cooperation instead self interest. This new coordination will be analyzed to the level of ethical system. Homo economicus is identified in ethics of consequences and the homo generosus in ethics of duty. In my vision, the prototype of homo generosus, is delineated under Kant's categorical imperative: respectful, based on principles as subject and sovereign.

  8. How Internet of Things Influences Human Behavior Building Social Web of Services via Agent-Based Approach

    Directory of Open Access Journals (Sweden)

    Komarov Mikhail

    2016-09-01

    Full Text Available The paper discovers potential human interactions with growing amount of internet of things (IoT via proposed concept of Social Web of Services (classical social web with smart things - daily life objects connected to the internet. To investigate the impact of IoT on user behaviour patterns we modelled human-thing interactions using agent-based simulation (ABM. We have proved that under certain conditions SmartThings, connected to the IoT, are able to change patterns of Human behaviour. Results of this work predict our way of living in the era of caused by viral effects of IoT application (HCI and M2M connections, and could be used to foster business process management in the IoT era.

  9. Two-Sided Matching Agents for Electronic Employment Market Design: Social Welfare Implications

    National Research Council Canada - National Science Library

    Gates, William

    2002-01-01

    ... employment market designs. Using a quasi-price measure for comparison and examining social welfare as a basis for assessing market-design alternatives, we provide novel insight into the balance required between technologically...

  10. Responsible tourism as an agent of sustainable and socially-conscious development

    Directory of Open Access Journals (Sweden)

    Pierluigi Musarò

    2014-10-01

    Full Text Available Despite the variety of banalities that are often associated with trips and vacations as mass consumption, the study of tourism – due to the commitment of social, economic, political and cultural energy - remains one of the predominant inputs for understanding contemporary society and the new social hierarchies that distinguish it. Tourism, which is  increasingly seen as a process that has become integral to social and cultural life, also plays an essential role in the social and spatial dialectic that gives meaning to the places. Focusing tourism through the lens of "productive consumption" developed by Cultural Studies, the paper moves from the assumption that responsible tourism can be analyzed in the broader paradigm of relational goods to explore the role of responsible tourism as a possible way of sustainable and responsible development.

  11. A Social-Cognitive Framework for Designing Pedagogical Agents as Learning Companions

    OpenAIRE

    Kim, Yanghee; Baylor, Amy L.

    2006-01-01

    Teaching and learning are highly social activities. Seminal psychologists such as Vygotsky, Piaget, and Bandura have theorized that social interaction is a key mechanism in the process of learning and development. In particular, the benefits of peer interaction for learning and motivation in classrooms have been broadly demonstrated through empirical studies. Hence, it would be valuable if computer-based environments could support a mechanism for a peer-interaction. Though no claim of peer eq...

  12. An Empirical Agent-Based Model to Simulate the Adoption of Water Reuse Using the Social Amplification of Risk Framework.

    Science.gov (United States)

    Kandiah, Venu; Binder, Andrew R; Berglund, Emily Z

    2017-10-01

    Water reuse can serve as a sustainable alternative water source for urban areas. However, the successful implementation of large-scale water reuse projects depends on community acceptance. Because of the negative perceptions that are traditionally associated with reclaimed water, water reuse is often not considered in the development of urban water management plans. This study develops a simulation model for understanding community opinion dynamics surrounding the issue of water reuse, and how individual perceptions evolve within that context, which can help in the planning and decision-making process. Based on the social amplification of risk framework, our agent-based model simulates consumer perceptions, discussion patterns, and their adoption or rejection of water reuse. The model is based on the "risk publics" model, an empirical approach that uses the concept of belief clusters to explain the adoption of new technology. Each household is represented as an agent, and parameters that define their behavior and attributes are defined from survey data. Community-level parameters-including social groups, relationships, and communication variables, also from survey data-are encoded to simulate the social processes that influence community opinion. The model demonstrates its capabilities to simulate opinion dynamics and consumer adoption of water reuse. In addition, based on empirical data, the model is applied to investigate water reuse behavior in different regions of the United States. Importantly, our results reveal that public opinion dynamics emerge differently based on membership in opinion clusters, frequency of discussion, and the structure of social networks. © 2017 Society for Risk Analysis.

  13. Empoderamento das mulheres beneficiárias do Programa Bolsa Família na percepção dos agentes dos Centros de Referência de Assistência Social

    Directory of Open Access Journals (Sweden)

    Nathalia Carvalho Moreira

    2012-04-01

    Full Text Available Este trabalho teve como objetivo analisar o empoderamento das mulheres beneficiárias do Programa de Transferência de Renda, conhecido como "Programa Bolsa Família", na percepção dos agentes sociais dos Centros de Referência de Assistência Social (Cras. Para tanto, realizou-se um estudo de caso múltiplo, tendo como sujeitos de pesquisa 11 gestores de diferentes Cras do estado de Minas Gerais. A partir da técnica de análise de conteúdo, as respostas das perguntas, que compuseram as entrevistas, foram agrupadas de acordo com as categorias Bolsa Família, Cras e Mulher. Os resultados apontam a importância do Cras na execução do Programa Bolsa Família e no processo de empoderamento, pois a convivência e a participação neste local têm contribuído para a conscientização sobre direitos, para a inserção social e para a melhoria do bem-estar das mulheres, fatores evidenciados por intermédio do interesse das mulheres por cursos, oficinas, informações sobre programas sociais e atendimento psicológico. Na percepção dos agentes, foi possível observar melhoria nas condições de vida, nas relações familiares, conscientização e autoestima, implicando reflexos sobre o empoderamento feminino. Portanto, embora sendo um processo lento e embrionário, pode-se dizer que o ciclo do empoderamento das mulheres beneficiárias do Bolsa Família pode ser completado, pois consegue atingir as três dimensões (individual, familiar e comunitária.

  14. Una simulación multi-agente del mecanismo de generalización de una norma social

    Directory of Open Access Journals (Sweden)

    Francisco Linares

    2012-01-01

    Full Text Available El presente artículo trata de abordar dos cuestiones interrelacionadas: ¿qué es una norma social? y ¿cómo se generaliza? Se argumenta que una norma social no es ni mero comportamiento sancionador ni tampoco comportamiento que tan solo se ajusta a las expectativas de los demás; sino que ambos requisitos deben cumplirse para que esta exista. A través de un modelo de simulación multi-agente se muestra cómo una dinámica de refuerzo mutuo entre la ejecución de sanciones y la generalización de expectativas explica la generalización de una norma social, dada la existencia de una masa crítica de sancionadores incondicionales. Además se muestra que a mayor densidad social, menor el tamaño de la masa crítica requerida en la población.

  15. The Secret Agent Society Social Skills Program for Children with High-Functioning Autism Spectrum Disorders: A Comparison of Two School Variants

    Science.gov (United States)

    Beaumont, Renae; Rotolone, Cassie; Sofronoff, Kate

    2015-01-01

    School is often considered an ideal setting for child social skills training due to the opportunities it provides for skills teaching, modeling, and practice. The current study evaluated the effectiveness of two variants of the Secret Agent Society social skills program for children with high-functioning autism spectrum disorders (HFASD) in a…

  16. Historias paralelas, sonidos diferentes

    Directory of Open Access Journals (Sweden)

    Yezid David Sequeda Garrido

    2015-01-01

    Full Text Available Estas líneas tienen por objeto analizar algunos rasgos sociales compartidos por dos géneros musicales con audiencias amplias en México y Colombia. La música norteña y la música vallenata, son analizadas desde una perspectiva general a partir de sus procesos de difusión y desde su empalme con formas distintivas de identidad regional y como expresión de vivencias e historias diversas. Ambos géneros musicales, han experimentado significativos procesos de difusión y tran sformación que permiten pensarlos como espacios de expresión de la cultura popular colombo- mexicana.

  17. Cariri pluviosity and aquifers: regulating agent of the social and economic development

    International Nuclear Information System (INIS)

    Santiago, Maria Marlucia Freitas; Frischkorn, Horst; Serejo, Alfredo Nelson Cabral; Studart, Ticiana; Mendes Filho, Josue

    1992-01-01

    Hydraulic measures and tracing techniques shows a reply time from the Chapada do Araripe aquifer, to the pluvial water infiltration, in six months, coinciding with the dry season. Tritium and 14 C natural tracing measures and the conductivity at the Cariri basin indicate a quick reply to the direct infiltration by the recent water presence and old water contribution originated from the Chapada. It concludes that the economy and the social welfare are dependents of the underground water reserves and the climate through the precipitation regime, regulates and promote the social and economic development of the region

  18. Particle Swarm Social Adaptive Model for Multi-Agent Based Insurgency Warfare Simulation

    Energy Technology Data Exchange (ETDEWEB)

    Cui, Xiaohui [ORNL; Potok, Thomas E [ORNL

    2009-12-01

    To better understand insurgent activities and asymmetric warfare, a social adaptive model for modeling multiple insurgent groups attacking multiple military and civilian targets is proposed and investigated. This report presents a pilot study using the particle swarm modeling, a widely used non-linear optimal tool to model the emergence of insurgency campaign. The objective of this research is to apply the particle swarm metaphor as a model of insurgent social adaptation for the dynamically changing environment and to provide insight and understanding of insurgency warfare. Our results show that unified leadership, strategic planning, and effective communication between insurgent groups are not the necessary requirements for insurgents to efficiently attain their objective.

  19. Linking Cognitive and Social Aspects of Sound Change Using Agent-Based Modeling.

    Science.gov (United States)

    Harrington, Jonathan; Kleber, Felicitas; Reubold, Ulrich; Schiel, Florian; Stevens, Mary

    2018-03-26

    The paper defines the core components of an interactive-phonetic (IP) sound change model. The starting point for the IP-model is that a phonological category is often skewed phonetically in a certain direction by the production and perception of speech. A prediction of the model is that sound change is likely to come about as a result of perceiving phonetic variants in the direction of the skew and at the probabilistic edge of the listener's phonological category. The results of agent-based computational simulations applied to the sound change in progress, /u/-fronting in Standard Southern British, were consistent with this hypothesis. The model was extended to sound changes involving splits and mergers by using the interaction between the agents to drive the phonological reclassification of perceived speech signals. The simulations showed no evidence of any acoustic change when this extended model was applied to Australian English data in which /s/ has been shown to retract due to coarticulation in /str/ clusters. Some agents nevertheless varied in their phonological categorizations during interaction between /str/ and /ʃtr/: This vacillation may represent the potential for sound change to occur. The general conclusion is that many types of sound change are the outcome of how phonetic distributions are oriented with respect to each other, their association to phonological classes, and how these types of information vary between speakers that happen to interact with each other. Copyright © 2018 The Authors. Topics in Cognitive Science published by Wiley Periodicals, Inc. on behalf of Cognitive Science Society.

  20. A importância da saúde bucal para adolescentes de diferentes estratos sociais do município de Ribeirão Preto La importancia de la salud bucal para los adolescentes de diferentes estratos sociales del municipio de Ribeirão Preto The importance of bucal health for adolescents of different social strata of Ribeirão Preto

    Directory of Open Access Journals (Sweden)

    Marina Sá Elias

    2001-01-01

    Full Text Available O objetivo do presente estudo é conhecer a importância da saúde bucal para adolescentes de diferentes estratos sociais, identificando a importância da estética dental, e o cuidado que estes dispensam em relação a sua saúde bucal. O processo metodológico adotado nesta investigação é de natureza qualitativa, utilizando como técnica de coleta de dados a entrevista semi-estruturada. Conhecemos a importância da saúde bucal em vários contextos de suas vidas, como na aparência pessoal, na sexualidade, no emprego, e na saúde geral. Esta investigação permite-nos conhecer as motivações para os adolescentes preservarem sua saúde bucal, o que acreditamos ser muito válido no intuito de desenvolvermos a promoção de saúde através da educação em saúde.El objetivo del presente estudio es conocer la importancia de la salud bucal para los adolescentes de diferentes estratos sociales, identificando la importancia de la estética dental y el cuidado que estos realizan en relación con su salud bucal. El proceso metodológico adoptado en esta investigación es de naturaleza cualitativa, utilizando como técnica de recolección de datos la entrevista semi-estructurada. Conocimos la importancia de la salud bucal en varios contextos de sus vidas, como en la apariencia personal, en la sexualidad, en el empleo y en la salud en general. Esta investigación nos permitió conocer las motivaciones que tienen los adolescentes para preservar su salud bucal, lo cual creemos será muy valioso en desarrollar programas de promoción de la salud a través de la educación en salud.The objective of the present study is to know the importance of buccal health for adolescents of different social strata, identifying the importance of dental aesthetics, and the care that these students take in relation to their buccal health. The methodological process adopted in this investigation is of qualitative nature, using as technique of collection of data the semi

  1. Engaging Adolescents in Politics: The Longitudinal Effect of Political Socialization Agents

    Science.gov (United States)

    Quintelier, Ellen

    2015-01-01

    Starting from a political socialization perspective, this study examined the development of political participation during adolescence and early adulthood. We explore the effect of parents, peers, school media, and voluntary associations on political participation. Self-reported data were collected from 3,025 Belgian adolescents at three points in…

  2. An Agent Model for a Human’s Social Support Network Tie Preference During Depression

    NARCIS (Netherlands)

    Aziz, A.A.; Klein, M.C.A.; Treur, J.; Baeza-Yates, R.; Lang, J.; Mitra, S.; Parsons, S.; Pasi, G.

    2009-01-01

    Seeking support from their environment is important for people suffering from a depression. People usually have different social networks to which they are attached with different ties. In this paper, a computational model is presented that describes the selection of network members for seeking

  3. Black Girls' Achievement in Middle Grades Mathematics: How Can Socializing Agents Help?

    Science.gov (United States)

    Young, Jemimah L.; Young, Jamaal Rashad; Capraro, Mary Margaret

    2017-01-01

    The middle grades mathematics classroom is full of transitions that students must overcome to become successful long-term learners of mathematics. This transition can be exorbitantly more tumultuous for Black girls who must overcome gender and racial mathematics achievement stereotypes. Mathematics identities and achievement socialization trends…

  4. Agents' Social Imagination: The "Invisible" Hand of Neoliberalism in Taiwan's Curriculum Reform

    Science.gov (United States)

    Huang, Teng

    2012-01-01

    Neoliberalism has become the most dominant ideology in current world and educational researchers thus may need to disclose the ways in which neoliberalism affects education and curriculum and propose new strategies to cope with them. Through literature review, however, the author argues that perhaps because of the social and theoretical scope in…

  5. School Consultants as Agents of Social Justice for Multicultural Children and Families

    Science.gov (United States)

    Li, Chieh; Vazquez-Nuttall, Ena

    2009-01-01

    This article discusses some of the social justice issues that multicultural students and families encounter that are directly relevant to school consultation practice. The issues include culturally fair education, fair expectations of the child from the family and school, fair assessment, evidence-based intervention, and evaluation of…

  6. Peak electricity demand and social practice theories: Reframing the role of change agents in the energy sector

    International Nuclear Information System (INIS)

    Strengers, Yolande

    2012-01-01

    Demand managers currently draw on a limited range of psychology and economic theories in order to shift and shed peak electricity demand. These theories place individual consumers and their attitudes, behaviours and choices at the centre of the problem. This paper reframes the issue of peak electricity demand using theories of social practices, contending that the ‘problem’ is one of transforming, technologically-mediated social practices. It reflects on how this body of theory repositions and refocuses the roles and practices of professions charged with the responsibility and agency for affecting and managing energy demand. The paper identifies three areas where demand managers could refocus their attention: (i) enabling co-management relationships with consumers; (ii) working beyond their siloed roles with a broader range of human and non-human actors; and (iii) promoting new practice ‘needs’ and expectations. It concludes by critically reflecting on the limited agency attributed to ‘change agents’ such as demand managers in dominant understandings of change. Instead, the paper proposes the need to identify and establish a new group of change agents who are actively but often unwittingly involved in reconfiguring the elements of problematic peaky practices. - Highlights: ► I reframe peak electricity demand as a problem of changing social practices. ► Micro-grids, and dynamic pricing reorient household routines and enable co-management. ► Infrastructures inside and outside the home configure peaky practices. ► Demand managers are encouraged to promote and challenge consumer ‘needs’. ► I identify a new group of change agents implicated in peaky practices.

  7. Application of a Genetic Algorithm and Multi Agent System to Explore Emergent Patterns of Social Rationality and a Distress-Based Model for Deceit in the Workplace

    Science.gov (United States)

    2008-06-01

    and the Golden Rule as Emergent Properties of Self-Interested Individuals Social rationality is a behavior or action of an individual that results in... prosocially to make a safer product (Grover, 1993). D. SOCIAL RATIONALITY Grover agrees with researchers who theorize that self-interest cannot...to achieve this behavior . Much of the other research with social rationality has been done with simple agents in simple environments. 83 The

  8. Comparativa de herramientas de simulación de redes sociales

    OpenAIRE

    Camino García, Ana María

    2016-01-01

    Hoy en día, el Análisis de Redes Sociales (ARS) es muy útil, ya que refleja el comportamiento de la sociedad actual. Entre las diferentes técnicas para analizar las redes sociales, hay un interés creciente en el modelado basado en agentes (MBA), ya que permite realizar simulaciones de sistemas complejos. Por lo tanto, las herramientas de simulación cobran gran importancia para el análisis de redes sociales. En este trabajo, se analizan diferentes tipos de herramientas de simulación, con el fi...

  9. Empowering community settings: agents of individual development, community betterment, and positive social change.

    Science.gov (United States)

    Maton, Kenneth I

    2008-03-01

    The pathways and processes through which empowering community settings influence their members, the surrounding community and the larger society are examined. To generate the proposed pathways and processes, a broad range of studies of community settings were reviewed, in the domains of adult well-being, positive youth development, locality development, and social change. A set of organizational characteristics and associated processes leading to member empowerment across domains were identified, as well as three pathways through which empowering settings in each domain contribute to community betterment and positive social change. The paper concludes with an examination of the ways that community psychology and allied disciplines can help increase the number and range of empowering settings, and enhance the community and societal impact of existing ones.

  10. A stochastic agent-based model of pathogen propagation in dynamic multi-relational social networks

    Science.gov (United States)

    Khan, Bilal; Dombrowski, Kirk; Saad, Mohamed

    2015-01-01

    We describe a general framework for modeling and stochastic simulation of epidemics in realistic dynamic social networks, which incorporates heterogeneity in the types of individuals, types of interconnecting risk-bearing relationships, and types of pathogens transmitted across them. Dynamism is supported through arrival and departure processes, continuous restructuring of risk relationships, and changes to pathogen infectiousness, as mandated by natural history; dynamism is regulated through constraints on the local agency of individual nodes and their risk behaviors, while simulation trajectories are validated using system-wide metrics. To illustrate its utility, we present a case study that applies the proposed framework towards a simulation of HIV in artificial networks of intravenous drug users (IDUs) modeled using data collected in the Social Factors for HIV Risk survey. PMID:25859056

  11. El educador, agente necesario de la construcción social

    Directory of Open Access Journals (Sweden)

    Ángela del Valle López

    2008-06-01

    Full Text Available In the postmodern society the role of the school and the teacher is strongly conditionedby the social demands of each particular context. The continuous changecannot be stop as it depends on science and technology. It is urgent to understandthat in a human universe that is changing because the performers and their roleschange, the social dynamics and the views of the world change, the central roleof education is to be assumed knowing that in the present historical situation theteacher is the direct subject in the debate. In view of this, we raise the question onwhat is the role of the educator today. The new approaches and demands requirea new professional culture in accord with the educational institution. Education isin need of change on the ways to impart knowledge and the ways of learning; it isin need of competent educators who have a new concept of their own role.

  12. RESPONSABILIDADE SOCIAL: O SECRETÁRIO EXECUTIVO COMO AGENTE FACILITADOR DE ESTRATÉGIAS NO AMBIENTE CORPORATIVO

    Directory of Open Access Journals (Sweden)

    Weidman Machado Bernardino

    2014-03-01

    Full Text Available Esta pesquisa interessa-se em investigar se os profissionais de secretariado executivo apresentam competências suficientes para atuarem como agentes facilitadores de estratégias de responsabilidade social nas corporações. Entre os seus objetivos, encontram-se: analisar o conceito de responsabilidade social desenvolvido nas empresas, bem como descrever as ações de responsabilidade social corporativa (RSC que o secretário executivo executa nas suas atividades diárias. Para examinar este objeto de estudo, baseou-se no método quali-quantitativo por descrever o fenômeno, analisar a interação de determinadas variáveis e buscar compreensão do objeto de investigação, bem como mensurar dados obtidos por meio de questionário semi-estruturado. Para elaborar o marco teórico a respeito da RSC, fundamentou-se essencialmente em Melo Neto e Fróes (2001, Quazi e O’Brien (2011 e Reis (2001. Para concluir, percebe-se que o secretário executivo apresenta as competências necessárias para assumir encargos relacionados à RSC, tornando-se, assim, uma estratégia competitiva no mercado. Contudo, falta a abertura por parte da Chefia para que estes profissionais possam realizar tais ações.

  13. A MULTI-AGENT BASED SOCIAL CRM FRAMEWORK FOR EXTRACTING AND ANALYSING OPINIONS

    OpenAIRE

    ABDELAZIZ EL FAZZIKI; FATIMA ZOHRA ENNAJI; ABDERRAHMANE SADIQ; DJAMAL BENSLIMANE; MOHAMED SADGAL

    2017-01-01

    Social media provide a wide space for people from around the world to communicate, share knowledge and personal experiences. They increasingly become an important data source for opinion mining and sentiment analysis, thanks to shared comments and reviews about products and services. And companies are showing a growing interest to harness their potential, in order to support setting up marketing strategies. Despite the importance of sentiment analysis in decision making, there is a lack of so...

  14. EL DESARROLLO ENDÓGENO COMO AGENTE TRANSFORMADOR EN LA ECONOMÍA SOCIAL VENEZOLANA

    OpenAIRE

    Carmen Silvina Hernández

    2012-01-01

    Endogenous development was born in communities with the participation of the collectivity, it is a change of the production system of the country, where every region requires the transformation of natural resources into goods and services, aimed at the satisfaction of the needs and demands of the population, generating employment and welfare and therefore quality of life. Therefore, the endogenous development is a production of the social economy unit. This demand include different forms of e...

  15. Human centred design of software agent in social network service against privacy concerns

    OpenAIRE

    Kim, Hojung

    2016-01-01

    This thesis was submitted for the award of Doctor of Philosophy and was awarded by Brunel University London The rapid growth and influence of social network services has led many scholars to focus on privacy issues. However, the research described in this thesis was motivated by the small number of design studies that have focused on practical approaches to identifying tacit information from users’ instant non-verbal responses to privacy issues. The research therefore aimed to propose pers...

  16. Frauen als Akteurinnen während des Nationalsozialismus Women as Agents during National Socialism

    Directory of Open Access Journals (Sweden)

    Natalia Gerodetti

    2004-07-01

    Full Text Available Das vorliegende Buch stellt die wichtigen Fragen nach der Beteiligung von Fürsorgerinnnen (Sozialarbeiterinnen am System der öffentlichen Fürsorge während des Dritten Reiches. Betrachtet werden die Anforderungen an fürsorgerische Aktivitäten während des Nationalsozialismus im Spannungsfeld von Auslese und „Ausmerze“. Esther Lehnert kann zeigen, dass die von der Wissenschaft und der interessierten Öffentlichkeit bislang kaum wahrgenommene Arbeit der Fürsorgerinnen einen wichtigen Ort der Umsetzung und Bildung der Kategorie „minderwertig“ darstellte. Sie präsentiert Fürsorge nicht als „unpolitisches Helfen“, sondern in ihrer Schlüsselfunktion für die nationalsozialistische Diskriminierungs- und Ausmerzpolitik. Lehnerts Studie basiert explizit auf Forschungspositionen, in denen Frauen nicht ausschließlich als Opfer des Nationalsozialismus gesehen und polare Opfer-Täter Stukturen aufgebrochen werden.This book raises important questions regarding the participation of social workers in the system of public welfare services during the Third Reich. Demands on welfare activities within the tension-ridden area of selection and “extermination” during National Socialism are considered. Esther Lehnert can illustrate that the work of social workers, previously barely recognized by academics and the interested public, represented an important site for the realization and formation of the category “inferior”. She does not present welfare work as “apolitical assistance”, but as a key function for National Socialist politics of discrimination and extermination. Lehnert’s study is based explicitly on research perspectives that do not view women solely as victims of National Socialism and that bring polarizing victim-perpetrator structures to light.

  17. Apoio social: percepção materna em contextos com diferentes graus de urbanização The relationship between cultural models, social support and quality of family environment in context with different degrees of urbanization

    Directory of Open Access Journals (Sweden)

    Viviane Vieira

    2011-12-01

    Full Text Available Esta pesquisa tem como objetivos: verificar as diferenças no apoio percebido por mães de três contextos de urbanização; analisar a correlação do apoio com dados sociodemográficos e com a qualidade do ambiente familiar; e estabelecer qual modelo de variáveis explica o apoio percebido em cada contexto. Ao total, 150 mães residentes em três contextos responderam um questionário sobre dados sociodemográficos, itens da qualidade de vida familiar atual e uma Escala de Apoio Social. Por meio de análises estatísticas, constataram-se diferenças significativas nas dimensões do apoio social, com melhor percepção nas dimensões Apoio Afetivo e Apoio Emocional para o Interior Leste e menor percepção do Apoio Material para a Capital. Nos modelos de regressão, as variáveis número de filhos e qualidade do ambiente familiar atual mostraram-se preditoras do apoio. Conclui-se que a qualidade do ambiente familiar tem importância no apoio e as características individuais e culturais devem ser consideradas ao se investigar o suporte social.The present study aimed to investigate the differences in perceived social support for mothers of three contexts with distinct urbanization; to analyze the correlation of support with the quality of the family environment and to establish which variables models explain the perceived support in each context. A total of 150 mothers living in three contexts answered a questionnaire about sociodemographic data, items of current quality of family life and Scale of Social Support. Through the statistical analysis it has been found significant differences in dimensions of Social Support, with best perception of the Affective and Emotional support in Eastern context and lower perception for material support in the Capital. In regression models, the number of children and current quality of family life proved to be the predictors of support. It has been concluded that the quality of family environment is important

  18. O turismólogo como agente social: limites e possibilidades

    OpenAIRE

    Csordas, Marisa

    2009-01-01

    A presente dissertação tem como objetivo analisar a formação do bacharel em turismo, para se entender e identificar as suas reais possibilidades e limites de atuação profissional, especificamente no campo social. Partiu-se da hipótese de que a sociedade e o próprio mercado turístico é induzido a ver o profissional de turismo prioritariamente relacionado somente a funções administrativas e econômicas, em virtude de um marketing direcionado para a sua formação e atuação. O estudo analisa a ocup...

  19. Modelado basado en agentes: una herramienta para complementar el análisis de fenómenos sociales

    Directory of Open Access Journals (Sweden)

    Ariel Quezada

    2010-01-01

    Full Text Available Este estudio busca mostrar la utilidad del modeladobasado en agentes (MbA para estudiar diferentesfenómenos sociales. Dicha herramienta economizatiempo y recursos, permitiendo analizar muchasvariables para posteriormente seleccionar las mássignificativas y proseguir así con la investigación.Lo anterior se ilustra con un modelo que analiza eltiempo requerido para encontrar y atender enfermossegún sea su tratamiento: domiciliario u hospitalario,si el personal puede compartir o no informaciónsobre localización de enfermos y si estos residendensamente o no. Los resultados revelan que compartirinformación acorta significativamente eltiempo sólo para tratamientos hospitalarios y quela densidad no tiene impacto. Concluimos que MbAtiene grandes ventajas para el diseño de investigacionessociales y asiste a la toma de decisiones encontextos profesionales.

  20. Social communication with virtual agents: The effects of body and gaze direction on attention and emotional responding in human observers.

    Science.gov (United States)

    Marschner, Linda; Pannasch, Sebastian; Schulz, Johannes; Graupner, Sven-Thomas

    2015-08-01

    In social communication, the gaze direction of other persons provides important information to perceive and interpret their emotional response. Previous research investigated the influence of gaze by manipulating mutual eye contact. Therefore, gaze and body direction have been changed as a whole, resulting in only congruent gaze and body directions (averted or directed) of another person. Here, we aimed to disentangle these effects by using short animated sequences of virtual agents posing with either direct or averted body or gaze. Attention allocation by means of eye movements, facial muscle response, and emotional experience to agents of different gender and facial expressions were investigated. Eye movement data revealed longer fixation durations, i.e., a stronger allocation of attention, when gaze and body direction were not congruent with each other or when both were directed towards the observer. This suggests that direct interaction as well as incongruous signals increase the demands of attentional resources in the observer. For the facial muscle response, only the reaction of muscle zygomaticus major revealed an effect of body direction, expressed by stronger activity in response to happy expressions for direct compared to averted gaze when the virtual character's body was directed towards the observer. Finally, body direction also influenced the emotional experience ratings towards happy expressions. While earlier findings suggested that mutual eye contact is the main source for increased emotional responding and attentional allocation, the present results indicate that direction of the virtual agent's body and head also plays a minor but significant role. Copyright © 2015 Elsevier B.V. All rights reserved.

  1. Analysis of Food Hub Commerce and Participation Using Agent-Based Modeling: Integrating Financial and Social Drivers.

    Science.gov (United States)

    Krejci, Caroline C; Stone, Richard T; Dorneich, Michael C; Gilbert, Stephen B

    2016-02-01

    Factors influencing long-term viability of an intermediated regional food supply network (food hub) were modeled using agent-based modeling techniques informed by interview data gathered from food hub participants. Previous analyses of food hub dynamics focused primarily on financial drivers rather than social factors and have not used mathematical models. Based on qualitative and quantitative data gathered from 22 customers and 11 vendors at a midwestern food hub, an agent-based model (ABM) was created with distinct consumer personas characterizing the range of consumer priorities. A comparison study determined if the ABM behaved differently than a model based on traditional economic assumptions. Further simulation studies assessed the effect of changes in parameters, such as producer reliability and the consumer profiles, on long-term food hub sustainability. The persona-based ABM model produced different and more resilient results than the more traditional way of modeling consumers. Reduced producer reliability significantly reduced trade; in some instances, a modest reduction in reliability threatened the sustainability of the system. Finally, a modest increase in price-driven consumers at the outset of the simulation quickly resulted in those consumers becoming a majority of the overall customer base. Results suggest that social factors, such as desire to support the community, can be more important than financial factors. An ABM of food hub dynamics, based on human factors data gathered from the field, can be a useful tool for policy decisions. Similar approaches can be used for modeling customer dynamics with other sustainable organizations. © 2015, Human Factors and Ergonomics Society.

  2. Situated Agents and Humans in Social Interaction for Elderly Healthcare: From Coaalas to AVICENA.

    Science.gov (United States)

    Gómez-Sebastià, Ignasi; Moreno, Jonathan; Álvarez-Napagao, Sergio; Garcia-Gasulla, Dario; Barrué, Cristian; Cortés, Ulises

    2016-02-01

    Assistive Technologies (AT) are an application area where several Artificial Intelligence techniques and tools have been successfully applied to support elderly or impeded people on their daily activities. However, approaches to AT tend to center in the user-tool interaction, neglecting the user's connection with its social environment (such as caretakers, relatives and health professionals) and the possibility to monitor undesired behaviour providing both adaptation to a dynamic environment and early response to potentially dangerous situations. In previous work we have presented COAALAS, an intelligent social and norm-aware device for elderly people that is able to autonomously organize, reorganize and interact with the different actors involved in elderly-care, either human actors or other devices. In this paper we put our work into context, by first examining what are the desirable properties of such a system, analysing the state-of-the-art on the relevant topics, and verifying the validity of our proposal in a larger context that we call AVICENA. AVICENA's aim is develop a semi-autonomous (collaborative) tool to promote monitored, intensive, extended and personalized therapeutic regime adherence at home based on adaptation techniques.

  3. Comunicação em Parcerias Locais para a Promoção do Emprego – um estudo de caso sobre responsabilidade social dos agentes empresariais

    Directory of Open Access Journals (Sweden)

    CARRILHO, Tiago

    2010-07-01

    Full Text Available In this article we analyse social responsibility of enterprise agents in local projects of employment promotion, on the basis of case study methodology. Partnership constitutes a form of organizational and horizontal communication. This conceptual approach complements network approach due to key principles of actors’ relations reflected in project dynamic. Social responsibilities of enterprise agents are voluntary and aim at social inclusion. In À Medida and Le Cheile projects, enterprise agents’ involvement and partnership dynamic are reflected on key activities of professional training and linkage to employment market, although these agents did not adopted working methods on origin institutions and revealed an isolated debate over project objectives. Vertical communication «top to bottom» corresponds to the operational background of employment public policies in order to implement public programs which finance this kind of projects.

  4. Examining Social Adaptations in a Volatile Landscape in Northern Mongolia via the Agent-Based Model Ger Grouper

    Directory of Open Access Journals (Sweden)

    Julia K. Clark

    2015-03-01

    Full Text Available The environment of the mountain-steppe-taiga of northern Mongolia is often characterized as marginal because of the high altitude, highly variable precipitation levels, low winter temperatures, and periodic droughts coupled with severe winter storms (known as dzuds. Despite these conditions, herders have inhabited this landscape for thousands of years, and hunter-gatherer-fishers before that. One way in which the risks associated with such a challenging and variable landscape are mitigated is through social networks and inter-family cooperation. We present an agent-based simulation, Ger Grouper, to examine how households have mitigated these risks through cooperation. The Ger Grouper simulation takes into account locational decisions of households, looks at fission/fusion dynamics of households and how those relate to environmental pressures, and assesses how degrees of relatedness can influence sharing of resources during harsh winters. This model, coupled with the traditional archaeological and ethnographic methods, helps shed light on the links between early Mongolian pastoralist adaptations and the environment. While preliminary results are promising, it is hoped that further development of this model will be able to characterize changing land-use patterns as social and political networks developed.

  5. Comparative study of the action of two different types of bleaching agents activated by two different types of irradiation fonts: xenon plasma arc lamp and 960 nm diode laser; Avaliacao da cor e estudo comparativo da acao de dois tipos diferentes de agentes clareadores ativados pelo laser de diodo e lampada xenonio plasmatica, na superficie do esmalte

    Energy Technology Data Exchange (ETDEWEB)

    Walverde, Debora Ayala

    2001-07-01

    This in vitro study compares two different types of tooth bleaching agents stimulated with two different irradiation fonts. These fonts accelerate the action of the bleaching agents upon the enamel surface by heating up the materials. We used the xenon plasma arc lamp and a 960 nm fiber-coupled diode laser to irradiate the two materials containing 35% of hydrogen peroxide (Opus White and Opalescence extra). The color of the teeth was measured with a spectrophotometer using the CIELAB color system that gives the numeric values of L{sup *}a{sup *}b{sup *}. (author)

  6. Participación comunitaria en la prevención del dengue: un abordaje desde la perspectiva de los diferentes actores sociales Community participation in dengue prevention: an approach from the perspective of different social actors

    Directory of Open Access Journals (Sweden)

    María Eugenia Toledo-Romaní

    2006-02-01

    Full Text Available OBJETIVO: explorar las percepciones sobre la participación comunitaria en la prevención del dengue durante la investigación formativa de un proyecto comunitario. MATERIAL Y MÉTODOS: Estudio conducido en tres áreas de salud de Santiago de Cuba durante el año 2000. Se combinan técnicas cualitativas y cuantitativas para explorar opiniones de los profesionales de salud, líderes comunitarios y una muestra aleatoria de población. RESULTADOS: Los profesionales identifican la no participación de la comunidad y sus propias limitaciones para involucrarla activamente en la prevención. Los líderes refieren falta de motivación, y la población vincula la eliminación del vector con el uso de tecnologías. Se perciben barreras en la aceptación de las actividades del programa de control y en general la "participación" es interpretada como "colaboración". CONCLUSIONES: La población ha trasferido responsabilidad del control del Aedes aegypti al sector salud. Se evidencia la necesidad de unificar conceptos sobre la participación comunitaria y conciliar intereses entre usuarios y proveedores de los servicios para lograr una real movilización social.OBJECTIVE:To explore the perceptions about community participation in dengue fever control during formative research for a community project. MATERIAL AND METHODS: This study was conducted in three health areas of the Santiago de Cuba municipality during the year 2000. Qualitative and quantitative techniques were used to explore the opinions of health professionals, community leaders and a random sample of 200 people living in the community. Results. The health professionals who were interviewed judged that difficulties in Aedes aegypti control were due to lack of participation of the community and to limited knowledge of prevention methods. Community leaders considered that the population was poorly motivated. The randomly selected subjects who were interviewed did associate Aedes control with

  7. An agent-based modelling framework to explore the role of social media and stubborn people on evacuation rates during flooding events

    Science.gov (United States)

    Du, E.; Cai, X.; Minsker, B. S.; Sun, Z.

    2017-12-01

    Flood warnings from various information sources are important for individuals to make evacuation decisions during a flood event. In this study, we develop a general opinion dynamics model to simulate how individuals update their flood hazard awareness when exposed to multiple information sources, including global broadcast, social media, and observations of neighbors' actions. The opinion dynamics model is coupled with a traffic model to simulate the evacuation processes of a residential community with a given transportation network. Through various scenarios, we investigate how social media affect the opinion dynamics and evacuation processes. We find that stronger social media can make evacuation processes more sensitive to the change of global broadcast and neighbor observations, and thus, impose larger uncertainty on evacuation rates (i.e., a large range of evacuation rates corresponding to sources of information). For instance, evacuation rates are lower when social media become more influential and individuals have less trust in global broadcast. Stubborn individuals can significantly affect the opinion dynamics and reduce evacuation rates. In addition, evacuation rates respond to the percentage of stubborn agents in a non-linear manner, i.e., above a threshold, the impact of stubborn agents will be intensified by stronger social media. These results highlight the role of social media in flood evacuation processes and the need to monitor social media so that misinformation can be corrected in a timely manner. The joint impacts of social media, quality of flood warnings and transportation capacity on evacuation rates are also discussed.

  8. Adolescents' Financial Literacy: The Role of Financial Socialization Agents, Financial Experiences, and Money Attitudes in Shaping Financial Literacy among South Korean Youth

    Science.gov (United States)

    Sohn, Sang-Hee; Joo, So-Hyun; Grable, John E.; Lee, Seonglim; Kim, Minjeung

    2012-01-01

    The purpose of this study was to test the relationships between financial socialization agents, financial experiences, money attitudes, demographic characteristics, and the financial literacy of Korean adolescents. Using the 2006 Korean National Financial Literacy Test Survey for Adolescents (N = 1185), a series of regression analyses were…

  9. The Secret Agent Society Social-Emotional Skills Program for Children with a High-Functioning Autism Spectrum Disorder: A Parent-Directed Trial

    Science.gov (United States)

    Sofronoff, Kate; Silva, Jenni; Beaumont, Renae

    2017-01-01

    This study evaluated a parent-delivered social and emotional skills intervention--the Secret Agent Society (SAS) for children with high-functioning autism spectrum disorders (HF-ASD). The study was a pre-post follow-up design with an 8-week baseline period and 6-week follow-up period. Participants were 38 parents and 41 children recruited from…

  10. Desarrollo Psicomotor en Niños Menores de 2 Años de Diferentes Niveles Sociales que Acuden al Consultorio de Niño Sano del Centro de Salud Edificadores Misti y Hospital ESSALUD de Yanahuara Arequipa – 2006

    OpenAIRE

    Huayhua Cabana Giovanna Natividad

    2010-01-01

    El objetivo del presente trabajo de investigación es conocer el desarrollo psicomotor de niños menores de dos años de diferentes niveles sociales del Centro de Salud Edificadores Misti (zona rural) y Hospital ESSALUD de Yanahuara (zona urbana), es decir, cómo influye el nivel socioeconómico de la familia del niño menor de dos años en su desarrollo psicomotor . Para llevar a cabo esta investigación se conformó un grupo de estudio de 192 niños, conformado por 96 niños en el Ho...

  11. Feminization of management leads to backlash against agentic applicants: Lack of social skills, not gender, determines low hireability judgments in a student sample

    Directory of Open Access Journals (Sweden)

    MELANIE C. STEFFENS

    2009-03-01

    Full Text Available Effects of an applicant’s sex on the ascription of task competence, social skills, and hireability are of theoretical as well as practical concern. In two influential series of studies with American college students, Rudman and Glick (1999, 2001 showed a backlash effect: When social skills were included in job descriptions (“feminized job descriptions”, female, but not male applicants displaying agentic behaviour were rated low in social skills and considered less hireable than their male counterparts. We tested the generality of this backlash effect in a replication with German students. In four experiments a total of 555 participants listened to telephone interviews with alleged applicants. Female and male applicants were rated very similarly with respect to task competence, social skills, and hireability. Feminizing job descriptions resulted in lower hireability ratings of both female and male agentic applicants. These findings held across different conditions (the manner in which applicants spoke, different business areas, subjective and objective rating scales, applicants’ parental status, and amount of information received about applicants. Our findings show that both female and male applicants are punished for overly agentic behaviour if social skills are required in a job description.

  12. Análisis del desarrollo social en zonas rurales aisladas empleando simulación basada en agentes

    Directory of Open Access Journals (Sweden)

    Yony Fernando Ceballos

    2014-06-01

    Full Text Available Este documento busca identificar el desarrollo humano y social en áreas rurales donde la energía juega un papel importante en la forma en la cual las personas toman decisiones y su papel en la mejora de la calidad de vida, medida como la satisfacción de las necesidades básicas de Maslow. El modelo de simulación basada en agentes (ABM descrito, en conjunto con los resultados de simulaciones realizadas permite caracterizar y concluir respecto al impacto de la adopción de la energía en el desarrollo de una región rural. El estudio muestra que las comunidades están en capacidad de adaptarse y generar un incremento en la calidad de vida mediante el uso de la energía en la vida diaria, permitiendo mostrar que la adopción de una energía en la zona es una herramienta que posibilita el desarrollo de la región.

  13. An agent-based simulation of persistent inequalities in health behavior: Understanding the interdependent roles of segregation, clustering, and social influence.

    Science.gov (United States)

    Langellier, Brent A

    2016-12-01

    Health inequalities are conspicuously persistent through time and often durable even in spite of interventions. In this study, I use agent-based simulation models (ABMs) to understand how the complex interrelationships between residential segregation, social network formation, group-level preferences, and social influence may contribute to this persistence. I use a more-stylized ABM, Bubblegum Village (BV), to understand how initial inequalities in bubblegum-chewing behaviors either endure, increase, or decrease over time given group-level differences in preferences, neighborhood-level barriers or facilitators of bubblegum chewing (e.g., access to bubblegum shops), and agents' preferences for segregation, homophily, and clustering (i.e., the 'tightness' of social networks). I further use BV to understand whether segregation and social network characteristics impact whether the effects of a bubblegum-reduction intervention that is very effective in the short term are durable over time, as well as to identify intervention strategies to reduce attenuation of the intervention effects. In addition to BV, I also present results from an ABM based on the distribution and social characteristics of the population in Philadelphia, PA. This model explores similar questions to BV, but examines racial/ethnic inequalities in soda consumption based on agents' social characteristics and baseline soda consumption probabilities informed by the 2007-2010 National Health and Nutrition Examination Survey. Collectively, the models suggest that residential segregation is a fundamental process for the production and persistence of health inequalities. The other major conclusion of the study is that, for behaviors that are subject to social influence and that cluster within social groups, interventions that are randomly-targeted to individuals with 'bad' behaviors will likely experience a large degree of recidivism to pre-intervention behaviors. In contrast, interventions that target

  14. Os agentes sociais da rede de proteção e atendimento no enfrentamento da exploração sexual comercial Social agents from protection networks in fighting commercial sexual exploitation

    Directory of Open Access Journals (Sweden)

    Maria de Fátima Pereira Alberto

    2012-01-01

    Full Text Available Neste artigo, apresentam-se dados de pesquisa sobre a percepção dos Agentes Sociais que atuam no enfrentamento da exploração sexual comercial de crianças e adolescentes. As entidades caracterizam-se por Organizações Governamentais, Organizações Não-Governamentais, Sistema de Justiça e Instâncias de Direitos. Compõem uma Rede de 15 instituições e foram entrevistados 31 Agentes Sociais de 12 delas. Utilizou-se um questionário composto de questões abertas e fechadas sobre: Conhecimento do Sistema de Proteção; Percepção da ESCCA; Formas de Enfrentamento da ESCCA; Procedimentos e Medidas em casos de suspeitas, identificações, denúncias e notificações. A maioria dos Agentes Sociais tem conhecimento do papel da instituição, embora alguns desconheçam parte da Legislação e as formas de se efetivar na prática o papel daquelas e a articulação interinstitucional.This article shows the data collected in a research regarding the perception of Social Agents who act in fighting children and adolescents' commercial sexual exploitation. The networking is composed by Governmental Organizations, Non-governmental Organizations, Justice System and Human Rights entities. They compose a network of 15 institutions, and 31 Social Agents who belonged to 12 of them were interviewed. It was used a questionnaire composed by open and closed questions about protection systems knowledge; perception of children and adolescents' commercial sexual exploitation; forms of fighting children and adolescents' commercial sexual exploitation; procedures and actions in case of suspicion, identification, denunciation and notification. Most of the Social Agents who make part of the network know the role of the institution where they work, although some of them do not know part of the Legislation which deals with this problematic and they also do not know the forms to effectuate in practice the purpose of the Legislation and its inter

  15. Modelos basados en agentes: aportes epistemológicos y teóricos para la investigación social

    Directory of Open Access Journals (Sweden)

    Leonardo Gabriel Rodríguez Zoya

    2015-01-01

    Full Text Available Los modelos basados en agentes (MBA constituyen una nueva generación de métodos computacionales que permiten modelar la estructura de un sistema complejo y simular su evolución dinámica a lo largo deI tiempo. EI uso de los MBA constituye una tendencia metodológica en expansión en las ciencias sociales contemporáneas; sin embargo, continúan siendo poco conocidos y enseiíados en el campo sociológico, de modo que constituyen una alternativa metodológica minoritaria entre los investigadores sociales. EI propósito de este trabajo es introducir a los científicos sociales en las ideas centrales de los modelos basados en agentes a partir de su articulación con ciertos problemas teóricos y metodológicos cruciales de las ciencias sociales. La primera sección problematiza la relación entre los modelos basados en agentes y los sistemas complejos en una perspectiva epistemológica crítica. Posteriormente, se analizan los aportes de los MBA a la investigación social, y en la tercera sección se evalúa críticamente su aplicación en el marco de una disciplina particular: la ciencia política. Finalmente, se desarrolla un ejemplo práctico de una simulación basada en agentes a partir del trabajo clásico de Thomas Schelling sobre segregación racial.

  16. Agent Programming Languages and Logics in Agent-Based Simulation

    DEFF Research Database (Denmark)

    Larsen, John

    2018-01-01

    and social behavior, and work on verification. Agent-based simulation is an approach for simulation that also uses the notion of agents. Although agent programming languages and logics are much less used in agent-based simulation, there are successful examples with agents designed according to the BDI...

  17. Representações sociais de Agentes Comunitários de Saúde acerca do consumo de drogas Representaciones sociales de agentes comunitarios de salud respecto del consumo de drogas Social representations of community health agents regarding drug use

    Directory of Open Access Journals (Sweden)

    Jeane Freitas de Oliveira

    2010-09-01

    Full Text Available Este artigo discute as representações sociais de Agentes Comunitários de Saúde (ACS acerca do consumo de drogas, como recorte de um estudo qualitativo de cunho etnográfico, cuja produção dos dados ocorreu no período de janeiro/2006 a janeiro/2007. Um conjunto de técnicas foi aplicado para profissionais que atuam numa Unidade Básica de Saúde de Salvador-BA, dentre eles 22 ACS. A Teoria das Representações Sociais foi adotada como eixo teórico, e gênero como categoria de análise. Os ACS reconhecem a proximidade e o envolvimento das mulheres com o fenômeno das drogas na comunidade onde moram e atuam, porém não adotam em seu trabalho nenhuma ação direcionada para tal problemática. As representações sociais apreendidas reproduzem estereótipos e preconceitos em relação às drogas e às pessoas usuárias de drogas, vinculadas, sobretudo, ao sexo e classe social, assinalando a invisibilidade do consumo de drogas como um problema de saúde para o grupo estudado.Este artículo discute las representaciones sociales de Agentes Comunitarios de Salud (ACS respecto del consumo de drogas, como elemento integrante de un estudio cualitativo, de cuño etnográfico, cuyos datos fueron recogidos en el período de enero 2006 - enero 2007. Se aplicó un conjunto de técnicas en profesionales con actuación en una Unidad Básica de Salud de Salvador, BA, Brasil, de los cuales 22 eran ACS. La Teoría de las Representaciones Sociales fue adoptada como eje teórico y el género como categoría de análisis. Los ACS reconocen la proximidad y el grado de compromiso de las mujeres con el fenómeno de las drogas en la comunidad en donde viven y actúan; no obstante no adopten en su trabajo ninguna acción direccionada hacia tal problemática. Las representaciones sociales aprehendidas reproducen estereotipos y preconceptos en relación a las drogas y a las personas usuarias vinculadas, sobre todo al sexo y clase social y señalan la invisibilidad del

  18. Testing Social-driven Forces on the Evolution of Sahelian Rural Systems: A Combined Agent-based Modeling and Anthropological Approach

    OpenAIRE

    Saqalli , Mehdi; Gérard , B.; Bielders , C.; Defourny , Pierre

    2010-01-01

    International audience; This article presents the results of a methodology combining an extensive fieldwork, a formalization of field-based individual rules and norms into an agent-based model and the implementation of scenarios analyzing the effects of social and agro-ecological constraints on rural farmers through the study of three different sites in Nigerien Sahel. Two family transition processes are here tested, following field observations and literature-based hypotheses: family organiz...

  19. Development and evaluation of multi-agent models of online social influence based on Cialdini’s principles

    NARCIS (Netherlands)

    Maanen, P.P. van; Vecht, B. van der

    2014-01-01

    The aim of this study is to better understand social influence in online social media. Therefore, we propose a method in which we implement, validate and improve individual behavior models. The behavior model is based on three fundamental behavioral principles of social influence from the literature

  20. Children as Agents of Social and Community Change: Enhancing Youth Empowerment through Participation in a School-Based Social Activism Project

    Science.gov (United States)

    Torres-Harding, Susan; Baber, Ashley; Hilvers, Julie; Hobbs, Nakisha; Maly, Michael

    2018-01-01

    School-based social activism projects have much potential to foster civic engagement, self-efficacy, and positive youth development. Social activism projects may also be a means by which children, a group that is disempowered due to their age and dependence on adults, might seek to positively impact social and community problems. The current study…

  1. Modeling rational, psychological, and social behavior toward diffusion of new technology using agent-based simulation: the case of the public utility jeepney (PUJ) fleet in Metro Manila

    DEFF Research Database (Denmark)

    Ahanchian, Mohammad; Biona, Jose Bienvenido Manuel

    2017-01-01

    configuration affect diffusion of innovation. This study presents an agent-based model (ABM) to simulate the rational decision-making, psychological behavior, and social interaction of people to explore their reaction to policy scenarios toward adopting technological changes over time. The aim of model......In most developing countries, over-aged vehicles play a significant role in energy demand and air pollution, which make the transportation sector a suitable choice for investigating opportunities to mitigate climate change. Apparently, people heterogeneity, social influence, and network...... is to assist policymakers for energy and environmental policy design based on consumers’ behavior. The jeepney owners in the old public utility jeepney (PUJ) fleet in Metro Manila are chosen as case study to prove the applicability of the model. The results show that rational, psychological, and social...

  2. Agent-based simulations of the influence of social policy and neighboring communication on the adoption of grid-connected photovoltaics

    International Nuclear Information System (INIS)

    Murakami, Tomoyuki

    2014-01-01

    Highlights: • Multi-agent systems coupled with an electric power flow analysis. • Influence of social policy and communication on the adoption of photovoltaics. • Strong intervention near a transformer drives the greatest PV adoption. • Strong intervention far from a transformer increases social costs. - Abstract: Agent-based simulations coupled with an analysis of the flow of electric power are carried out to examine the influence of the social policy of the government and the neighboring communication between customers on the adoption of distributed rooftop photovoltaic electrical power generators (PVs). How the relationships between the social policy and the possibility of a reverse current restriction give rise to the collective behavior of autonomous individuals, and how the end customers interact and form relationships with its environment are described. Strong intervention by the government in the areas near a main high-voltage power distribution transformer, where the possibility of a reverse current restriction is relatively low, drives the greatest adoption of the PV system. The near areas are primarily occupied by customers with only a PV to improve the diffusion rate of PVs via the self-organization by the communication between customers. It also lead in a decrease in the need for compensation devices, which in turn minimizes the social cost. Growth in the number of PVs in areas far from the transformer is assisted by the installation of batteries as compensation for the lost opportunity due to restrictions in those areas on reverse power currents. Therefore, excessive intervention by the government in the far areas results in an increase in the social cost of managing reverse currents

  3. An agent-based simulation of persistent inequalities in health behavior: Understanding the interdependent roles of segregation, clustering, and social influence

    Directory of Open Access Journals (Sweden)

    Brent A. Langellier

    2016-12-01

    Full Text Available Health inequalities are conspicuously persistent through time and often durable even in spite of interventions. In this study, I use agent-based simulation models (ABMs to understand how the complex interrelationships between residential segregation, social network formation, group-level preferences, and social influence may contribute to this persistence. I use a more-stylized ABM, Bubblegum Village (BV, to understand how initial inequalities in bubblegum-chewing behaviors either endure, increase, or decrease over time given group-level differences in preferences, neighborhood-level barriers or facilitators of bubblegum chewing (e.g., access to bubblegum shops, and agents’ preferences for segregation, homophily, and clustering (i.e., the ‘tightness’ of social networks. I further use BV to understand whether segregation and social network characteristics impact whether the effects of a bubblegum-reduction intervention that is very effective in the short term are durable over time, as well as to identify intervention strategies to reduce attenuation of the intervention effects. In addition to BV, I also present results from an ABM based on the distribution and social characteristics of the population in Philadelphia, PA. This model explores similar questions to BV, but examines racial/ethnic inequalities in soda consumption based on agents’ social characteristics and baseline soda consumption probabilities informed by the 2007–2010 National Health and Nutrition Examination Survey. Collectively, the models suggest that residential segregation is a fundamental process for the production and persistence of health inequalities. The other major conclusion of the study is that, for behaviors that are subject to social influence and that cluster within social groups, interventions that are randomly-targeted to individuals with ‘bad’ behaviors will likely experience a large degree of recidivism to pre-intervention behaviors. In contrast

  4. An Agent-Based Model of Private Woodland Owner Management Behavior Using Social Interactions, Information Flow, and Peer-To-Peer Networks.

    Directory of Open Access Journals (Sweden)

    Emily Silver Huff

    Full Text Available Privately owned woodlands are an important source of timber and ecosystem services in North America and worldwide. Impacts of management on these ecosystems and timber supply from these woodlands are difficult to estimate because complex behavioral theory informs the owner's management decisions. The decision-making environment consists of exogenous market factors, internal cognitive processes, and social interactions with fellow landowners, foresters, and other rural community members. This study seeks to understand how social interactions, information flow, and peer-to-peer networks influence timber harvesting behavior using an agent-based model. This theoretical model includes forested polygons in various states of 'harvest readiness' and three types of agents: forest landowners, foresters, and peer leaders (individuals trained in conservation who use peer-to-peer networking. Agent rules, interactions, and characteristics were parameterized with values from existing literature and an empirical survey of forest landowner attitudes, intentions, and demographics. The model demonstrates that as trust in foresters and peer leaders increases, the percentage of the forest that is harvested sustainably increases. Furthermore, peer leaders can serve to increase landowner trust in foresters. Model output and equations will inform forest policy and extension/outreach efforts. The model also serves as an important testing ground for new theories of landowner decision making and behavior.

  5. Práticas educativas parentais e habilidades sociais de adolescentes de diferentes configurações familiares = Parenting practices and social skills by adolescent of different family configurations

    Directory of Open Access Journals (Sweden)

    Leme, Vanessa Barbosa Romera

    2013-01-01

    Full Text Available Este estudo analisa a relação entre a percepção sobre práticas educativas maternas e sobre as próprias habilidades sociais em adolescentes de diferentes configurações familiares, bem como a influência do gênero sobre essa avaliação. Participaram 454 adolescentes de famílias nucleares, monoparentais e recasadas do primeiro e segundo ano do Ensino Médio. Os instrumentos utilizados foram: Inventário de Estilos Parentais (IEP; Inventário de Habilidades Sociais para Adolescentes (IHSA-Del-Prette. Análises de variância indicaram que a configuração familiar não exerceu influência nas práticas educativas maternas. Os adolescentes de famílias recasadas apresentaram mais habilidades sociais de abordagem afetiva que os adolescentes de famílias nucleares e monoparentais; as mães foram mais inconsistentes e negligentes com as filhas e utilizavam mais monitoria positiva com os filhos; as garotas foram mais empáticas que os rapazes. De forma geral, o estudo sugere que as transições familiares não tem impacto negativo em várias dimensões do desenvolvimento saudável dos adolescentes

  6. Using social network analysis and agent-based modelling to explore information flow using common operational pictures for maritime search and rescue operations.

    Science.gov (United States)

    Baber, C; Stanton, N A; Atkinson, J; McMaster, R; Houghton, R J

    2013-01-01

    The concept of common operational pictures (COPs) is explored through the application of social network analysis (SNA) and agent-based modelling to a generic search and rescue (SAR) scenario. Comparing the command structure that might arise from standard operating procedures with the sort of structure that might arise from examining information-in-common, using SNA, shows how one structure could be more amenable to 'command' with the other being more amenable to 'control' - which is potentially more suited to complex multi-agency operations. An agent-based model is developed to examine the impact of information sharing with different forms of COPs. It is shown that networks using common relevant operational pictures (which provide subsets of relevant information to groups of agents based on shared function) could result in better sharing of information and a more resilient structure than networks that use a COP. SNA and agent-based modelling are used to compare different forms of COPs for maritime SAR operations. Different forms of COP change the communications structures in the socio-technical systems in which they operate, which has implications for future design and development of a COP.

  7. Forecasting The Future Of The Islamic State: An Agent Based Rational Choice Model And Social Network Analysis Approach

    Science.gov (United States)

    2017-12-01

    weaponized vehicles (Johnson, 2016) and hijacking of airplanes (Rowland & Theye, 2008), and promulgated through the effective employment of social media ...and exploit chasms of vulnerabilities to achieve an equal playing field. The IS’s use of social media to project a powerful propagandistic narrative...effectivity leverage and propagate powerful influence campaigns (propaganda) and narratives (1) to raise their movement from the social fabric space

  8. Understanding How Key Institutional Agents Provide Southeast Asian American Students with Access to Social Capital in College

    Science.gov (United States)

    Museus, Samuel D.; Mueller, M. Kalehua.

    2018-01-01

    In this study, we focus on understanding how institutional agents can and do foster success among Southeast Asian American (SEAA) students in higher education. Specifically, qualitative methods were utilized to examine the experiences of 34 SEAA undergraduate students at 5 public 4-year colleges and universities across the United States and…

  9. Results and Lessons Learned from a Coupled Social and Physical Hydrology Model: Testing Alternative Water Management Policies and Institutional Structures Using Agent-Based Modeling and Regional Hydrology

    Science.gov (United States)

    Murphy, J.; Lammers, R. B.; Prousevitch, A.; Ozik, J.; Altaweel, M.; Collier, N. T.; Kliskey, A. D.; Alessa, L.

    2015-12-01

    Water Management in the U.S. Southwest is under increasing scrutiny as many areas endure persistent drought. The impact of these prolonged dry conditions is a product of regional climate and hydrological conditions, but also of a highly engineered water management infrastructure and a complex web of social arrangements whereby water is allocated, shared, exchanged, used, re-used, and finally consumed. We coupled an agent-based model with a regional hydrological model to understand the dynamics in one richly studied and highly populous area: southern Arizona, U.S.A., including metropolitan Phoenix and Tucson. There, multiple management entities representing an array of municipalities and other water providers and customers, including private companies and Native American tribes are enmeshed in a complex legal and economic context in which water is bought, leased, banked, and exchanged in a variety of ways and on multiple temporal and physical scales. A recurrent question in the literature of adaptive management is the impact of management structure on overall system performance. To explore this, we constructed an agent-based model to capture this social complexity, and coupled this with a physical hydrological model that we used to drive the system under a variety of water stress scenarios and to assess the regional impact of the social system's performance. We report the outcomes of ensembles of runs in which varieties of alternative policy constraints and management strategies are considered. We hope to contribute to policy discussions in this area and connected and legislatively similar areas (such as California) as current conditions change and existing legal and policy structures are revised. Additionally, we comment on the challenges of integrating models that ostensibly are in different domains (physical and social) but that independently represent a system in which physical processes and human actions are closely intertwined and difficult to disentangle.

  10. How and why affective and reactive virtual agents will bring new insights on social cognitive disorders in schizophrenia? An illustration with a virtual card game paradigm

    Directory of Open Access Journals (Sweden)

    Ali eOker

    2015-03-01

    Full Text Available In recent decades, many studies have shown that schizophrenia is associated with severe social cognitive impairments affecting key components, such as the recognition of emotions, theory of mind, attributional style and metacognition. Most studies investigated each construct separately, precluding analysis of the interactive and immersive nature of real-life situation. Specialized batteries of tests are under investigation to assess social cognition which is thought now as a link between neurocognitive disorders and impaired functioning. However, this link accounts for a limited part of the variance of real life functioning. To fill this gap, advances in virtual reality and affective computing have made it possible to carry out experimental investigations of naturalistic social cognition, in controlled conditions, with good reproducibility. This approach is illustrated with the description of a new paradigm based on an original virtual card game in which subjects interpret emotional displays from a female virtual agent, and decipher her helping intentions. Independent variables concerning emotional expression in terms of valence and intensity were manipulated. We show how several useful dependant variables, ranging from classic experimental psychology data to metacognition or subjective experiences records, may be extracted from a single experiment. Methodological issues about the immersion into a simulated intersubjective situation are considered. The example of this new flexible experimental setting with regards to the many constructs recognized in social neurosciences, constitutes a rationale for focusing on this potential intermediate link between standardized tests and real life functioning, and also for using it as an innovative media for cognitive remediation.

  11. How and why affective and reactive virtual agents will bring new insights on social cognitive disorders in schizophrenia? An illustration with a virtual card game paradigm.

    Science.gov (United States)

    Oker, Ali; Prigent, Elise; Courgeon, Matthieu; Eyharabide, Victoria; Urbach, Mathieu; Bazin, Nadine; Amorim, Michel-Ange; Passerieux, Christine; Martin, Jean-Claude; Brunet-Gouet, Eric

    2015-01-01

    In recent decades, many studies have shown that schizophrenia is associated with severe social cognitive impairments affecting key components, such as the recognition of emotions, theory of mind, attributional style, and metacognition. Most studies investigated each construct separately, precluding analysis of the interactive and immersive nature of real-life situation. Specialized batteries of tests are under investigation to assess social cognition, which is thought now as a link between neurocognitive disorders and impaired functioning. However, this link accounts for a limited part of the variance of real-life functioning. To fill this gap, advances in virtual reality and affective computing have made it possible to carry out experimental investigations of naturalistic social cognition, in controlled conditions, with good reproducibility. This approach is illustrated with the description of a new paradigm based on an original virtual card game in which subjects interpret emotional displays from a female virtual agent, and decipher her helping intentions. Independent variables concerning emotional expression in terms of valence and intensity were manipulated. We show how several useful dependant variables, ranging from classic experimental psychology data to metacognition or subjective experiences records, may be extracted from a single experiment. Methodological issues about the immersion into a simulated intersubjective situation are considered. The example of this new flexible experimental setting, with regards to the many constructs recognized in social neurosciences, constitutes a rationale for focusing on this potential intermediate link between standardized tests and real-life functioning, and also for using it as an innovative media for cognitive remediation.

  12. The co-evolution of cultures, social network communities, and agent locations in an extension of Axelrod’s model of cultural dissemination

    Science.gov (United States)

    Pfau, Jens; Kirley, Michael; Kashima, Yoshihisa

    2013-01-01

    We introduce a variant of the Axelrod model of cultural dissemination in which agents change their physical locations, social links, and cultures. Numerical simulations are used to investigate the evolution of social network communities and the cultural diversity within and between these communities. An analysis of the simulation results shows that an initial peak in the cultural diversity within network communities is evident before agents segregate into a final configuration of culturally homogeneous communities. Larger long-range interaction probabilities facilitate the initial emergence of culturally diverse network communities, which leads to a more pronounced initial peak in cultural diversity within communities. At equilibrium, the number of communities, and hence cultures, increases when the initial cultural diversity increases. However, the number of communities decreases when the lattice size or population density increases. A phase transition between two regimes of initial cultural diversity is evident. For initial diversities below a critical value, a single network community and culture emerges that dominates the population. For initial diversities above the critical value, multiple culturally homogeneous communities emerge. The critical value of initial diversity at which this transition occurs increases with increasing lattice size and population density and generally with increasing absolute population size. We conclude that larger initial diversities promote cultural heterogenization, while larger lattice sizes, population densities, and in fact absolute population sizes promote homogenization.

  13. Percepción y materialización de la valorización social de diferentes conductas obedientes en los obreros argentinos en función de su situación de asalariados o de desocupados

    Directory of Open Access Journals (Sweden)

    Luisa Mayoral

    2008-07-01

    Full Text Available La valorización social de una conducta y la desvalorización de la conducta opuesta constituyen características típicas de las normas sociales. Se ha constatado, gracias a estudios recientemente realizados en la Provincia de Buenos  Aires (Argentina, que los mandos con personal a cargo valorizan las conductas alineadas entre sus subordinados (lo que permite pensar que se está en presencia de una norma social de alineación, y que los subordinados son conscientes de la existencia de esta norma. Las preguntas que se plantean ahora son las siguientes 1 si los subordinados tienen conciencia de esta norma de manera global o si efectúan diferenciación entre sus diversas materializaciones, 2 si espontáneamente, siguen estas normas en sus diversas materializaciones o actúan de manera selectiva y 3 si estas actitudes globalizadoras o diferenciadoras de sus representaciones y de sus conductas varían en función de la ocupación efectiva o no de un puesto de trabajo. Para responder a estos interrogantes, hemos utilizado el paradigma de la autopresentación sobrenormativa versus contranormativa. Esto es, hemos presentado a 180 obreros de la Provincia de Buenos Aires (la mitad de ellos con empleo y la otra mitad, sin empleo una lista de conductas para que ellos indiquen cuáles de ellas adoptarían  espontáneamente, cuáles de ellas adoptarían para dar una buena imagen de sí mismos, y cuáles de ellas adoptarían para dar una mala imagen. Los resultados obtenidos confirman nuestras hipótesis de selectividad en las respuestas y el efecto de la variable empleo.

  14. Socially smart software agents entice people to use higher-order theory of mind in the Mod game

    NARCIS (Netherlands)

    Veltman, Kim; de Weerd, Harmen; Verbrugge, Rineke

    2017-01-01

    In social settings, people often need to reason about unobservable mental content of other people, such as their beliefs, goals, or intentions. This ability helps them to understand, to predict, and even to influence the behavior of others. People can take this ability further by applying it

  15. UNA CONCEPCIÓN DIFERENTE DE LA PSICOLOGÍA DE LA EDUCACIÓN, ABIERTA A CONTENIDOS DEL ÁMBITO SOCIAL Y MORAL DE LA EDUCACIÓN

    OpenAIRE

    Francisco Javier Fernández Baena; Milagros Escobar

    2009-01-01

    En el presente artículo se pretende desarrollar una concepción de la Psicología de la Educación que intenta superar posiciones clásicas, que entendían la disciplina como orientada principalmente a explicar y proporcionar recursos para el logro de los aprendizajes académicos. Se pretende argumentar a favor de una concepción abierta a nuevos contenidos, al servicio de ayudar al ser humano a ser persona y a desarrollar su mundo social, emocional y moral. Se estudian los fundamentos de esta nueva...

  16. The EMO-Model: An Agent-Based Model of Primate Social Behavior Regulated by Two Emotional Dimensions, Anxiety-FEAR and Satisfaction-LIKE

    Science.gov (United States)

    Evers, Ellen; de Vries, Han; Spruijt, Berry M.; Sterck, Elisabeth H. M.

    2014-01-01

    Agent-based models provide a promising tool to investigate the relationship between individuals’ behavior and emerging group-level patterns. An individual’s behavior may be regulated by its emotional state and its interaction history with specific individuals. Emotional bookkeeping is a candidate mechanism to keep track of received benefits from specific individuals without requiring high cognitive abilities. However, how this mechanism may work is difficult to study in real animals, due to the complexity of primate social life. To explore this theoretically, we introduce an agent-based model, dubbed EMO-model, in which we implemented emotional bookkeeping. In this model the social behaviors of primate-like individuals are regulated by emotional processes along two dimensions. An individual’s emotional state is described by an aversive and a pleasant dimension (anxiety and satisfaction) and by its activating quality (arousal). Social behaviors affect the individuals’ emotional state. To implement emotional bookkeeping, the receiver of grooming assigns an accumulated affiliative attitude (LIKE) to the groomer. Fixed partner-specific agonistic attitudes (FEAR) reflect the stable dominance relations between group members. While the emotional state affects an individual’s general probability of executing certain behaviors, LIKE and FEAR affect the individual’s partner-specific behavioral probabilities. In this way, emotional processes regulate both spontaneous behaviors and appropriate responses to received behaviors, while emotional bookkeeping via LIKE attitudes regulates the development and maintenance of affiliative relations. Using an array of empirical data, the model processes were substantiated and the emerging model patterns were partially validated. The EMO-model offers a framework to investigate the emotional bookkeeping hypothesis theoretically and pinpoints gaps that need to be investigated empirically. PMID:24504194

  17. Control of odour nuisance in urban areas: the efficiency and social acceptance of the application of masking agents.

    Science.gov (United States)

    Lazarova, Valentina; Abed, Brahim; Markovska, Gabriela; Dezenclos, Thierry; Amara, Aït

    2013-01-01

    This paper presents and discusses the results of the project named 'Jasmin' implemented in Algiers to control the strong odours of the river named Oued El Harrach, one of the largest rivers in the centre of the city. Pending the achievement of curative solutions, a temporary option for mitigation of nuisance odour by masking agents was implemented in the vicinity of the main bridges. The efficiency of this technology has been followed by means of an odour panel with the participation of representatives of all stakeholders. A sociological study by means of 1,000 questionnaires and face-to-face interviews of the local population demonstrated the benefits and the positive outcomes of the attenuation of odour nuisance: 70% of the surveyed population is satisfied or very satisfied with the application of masking agents and 96% of respondents support the continuation of the project. In terms of size and public access, the project Jasmin is a world-first demonstration of odour control in urban areas in developing countries.

  18. Biological Agents

    Science.gov (United States)

    ... E-Tools Safety and Health Topics / Biological Agents Biological Agents This page requires that javascript be enabled ... 202) 693-2300 if additional assistance is required. Biological Agents Menu Overview In Focus: Ebola Frederick A. ...

  19. Álcool e agentes comunitários de saúde: um estudo das representações sociais Alcohol and communitarian agents of health: a study of the social representations

    Directory of Open Access Journals (Sweden)

    Alessandra Ramos Castanha

    2006-06-01

    Full Text Available Esta pesquisa teve como objetivo verificar as Representações Sociais de Agentes Comunitários de Saúde (ACS's acerca do uso do álcool. Participaram 70 ACS's da cidade de Ipojuca -PE, de ambos os sexos, com média de idade 26 anos. Foram utilizados como instrumentos entrevistas semi-estruturadas e o Teste de Associação Livre de Palavras. O material coletado pela entrevista foi categorizado pela análise de conteúdo temática e os do teste de associação foram processados pelo software Tri-Deux-Mots, através da análise fatorial de correspondência. Os dados obtidos entre os ACS's revelaram representações do álcool como uma droga prejudicial à saúde e que pode levar à morte. No que se refere às conseqüências na vida do usuário, de forma majoritária os ACS's apontaram os problemas familiares decorrentes do álcool. Conclui-se da necessidade de intervenções no âmbito da prevenção primária com o intuito de diminuir as conseqüências advindas do uso abusivo do álcool.This research had as objective to verify the social representations of communitarian agents of health (ACS's regard-ing the use of alcohol. Seventy ACS's residents of the city of Ipojuca-PE, including both male and female genders, and with average age of 26 years participated in this project. It was utilized as instruments semi-structured interviews and the Test of Free Association of Words. The data acquired by the interviews was categorized by the Bardin's analysis of thematic content (1977 whereas the data from the test of association was processed by the Tri-deux-mots software through the factorial analysis of correspondence. The data obtained from the ACS's made possible to represent the alcohol as a harmful drug for the health which can lead to death. Concerning the consequences on the user's life, the majority of the ACS's objectified the family problems resulting from alcohol abuse. In conclusion, there is a necessity of the formation of public health

  20. Valorização de beleza e inteligência por adolescentes de diferentes classes sociais Valorización de belleza e inteligencia por adolescentes de diversas clases sociales Adolescents of different social classes giving value of beauty and intelligence

    Directory of Open Access Journals (Sweden)

    Gizelle Regina Gomes

    2007-08-01

    Full Text Available Participaram do estudo 180 adolescentes (90M e 90F com idades variando entre 15 e 17 anos, alunos do ensino médio, pertencentes a diferentes classes sociais. Foram comparados gêneros e classes sócio-econômicas a respeito dos valores de beleza e de inteligência que adolescentes atribuem a si próprios e, numa situação hipotética e de forma mutuamente exclusiva, qual desses atributos foram mais valorizados para si mesmos e para possíveis parceiros. Os resultados mostraram que os rapazes de classe alta atribuíram-se maiores notas de inteligência. Adolescentes de ambos sexos pertencentes à classe baixa gostariam de possuir um maior nível de inteligência em detrimento da beleza, enquanto que adolescentes de classe alta preferem o equilíbrio entre beleza e inteligência. As moças valorizam mais a inteligência em seus parceiros que os rapazes, os quais valorizam mais a beleza em suas parceiras.Participaran del estudio 180 jóvenes (90 varones y 90 mujeres con edades entre 15 y 17 años, alumnos de la educación secundaria, pertenecientes a diversas clases sociales. Fueron comparados géneros de clases socio-económicas respecto a valores de belleza y de inteligencia que los jóvenes se atribuyen a sí mismos y, en una situación hipotética y de forma mutuamente exclusiva, cuál de estas cualidades fueron más valorizadas por sí mismos y por posibles compañeros. Los resultados mostraron que los jóvenes de clase alta se atribuyen mayores notas a la inteligencia; a adolescente de ambos sexos, pertenecientes a la clase baja les gustaría tener un nivel mayor de inteligencia en detrimento de la belleza, mientras que los adolescentes de clases altas prefieren el equilibrio entre belleza e inteligencia. Las mujeres jóvenes valorizan más la inteligencia de sus compañeros que los varones, los cuales valorizan más la belleza en sus compañeras.The study sample comprised 180 adolescents aged 15 to 17 years, being 90 males and 90 females

  1. University genres in disciplinary domains: social sciences and humanities and basic sciences and engineering Gêneros acadêmicos nas diferentes disciplinas: ciências sociais e humanidades e ciências básicas e engenharia

    Directory of Open Access Journals (Sweden)

    Giovanni Parodi

    2009-01-01

    Full Text Available The issue of disciplinarity is becoming increasingly salient in discourse studies. Questions of how differences in the structures of intellectual fields and curricula help shape educational experiences and outcomes are the focus of studies across a variety of disciplines using a range of approaches. One way to access the specialized written genres employed by academia is to begin from the tenet that all materials read by students during their university training reveal relevant data about disciplinary genres. This article presents research that focuses on the collection, construction, and description of an academic corpus based on texts collected in four disciplinary domains of knowledge: Industrial Chemistry, Construction Engineering, Social Work, and Psychology. A review of the concepts of genre and academic discourse is presented. This is followed by a description of the procedures of collecting and organizing the Academic Corpus PUCV-2006, which comprises almost 60 million words. In addition, a preliminary genre typology of the 491 text corpus is provided.O tema da disciplinaridade está se tornando cada vez mais relevante nos estudos do discurso. Uma maneira de conhecer os gêneros escritos específicos utilizados na universidade, é ter acesso ao material que os estudantes lêem durante sua formação universitária. Este artigo apresenta uma investigação que tem como foco a coleta, construção e descrição de um corpus acadêmico baseado em textos de quatro áreas: Química Industrial, Engenharia da Civil, Serviço Social e Psicologia. Apresenta-se uma revisão dos conceitos e gêneros do discurso acadêmico. Segue-se uma descrição dos procedimentos de coleta e organização do corpus acadêmico PUCV-2006, que compreende um total de 60 milhões de palavras e uma tipologia dos gêneros a partir dos 491 textos do corpus.

  2. La biblioteca pública como agente democratizador: Representación social en la ciudad de Bogotá

    OpenAIRE

    Téllez Tolosa, Luis Roberto

    2016-01-01

    [ES] Una sociedad que vive con dentro de una forma de organización social democrática e incluyente, en donde los ciudadanos participan en sus decisiones y en la definición de sus propios espacios de gobierno y desarrollo, debe estar apropiada de sus instituciones democráticas, como las bibliotecas públicas; espacio público por excelencia con claros objetivos de apoyo a la consolidación de la democracia. La biblioteca pública desde la presente investigación orientada a identificar la repres...

  3. UNA CONCEPCIÓN DIFERENTE DE LA PSICOLOGÍA DE LA EDUCACIÓN, ABIERTA A CONTENIDOS DEL ÁMBITO SOCIAL Y MORAL DE LA EDUCACIÓN

    Directory of Open Access Journals (Sweden)

    Francisco Javier Fernández Baena

    2009-06-01

    Full Text Available En el presente artículo se pretende desarrollar una concepción de la Psicología de la Educación que intenta superar posiciones clásicas, que entendían la disciplina como orientada principalmente a explicar y proporcionar recursos para el logro de los aprendizajes académicos. Se pretende argumentar a favor de una concepción abierta a nuevos contenidos, al servicio de ayudar al ser humano a ser persona y a desarrollar su mundo social, emocional y moral. Se estudian los fundamentos de esta nueva defi nición dentro del pensamiento de la psicología, asumiendo su cambio al mismo tiempo que cambia la concepción y la práctica de la educación escolar. Se propone que esta disciplina esté preferentemente al servicio de los grupos especialmente problematizados, para conseguir mediante la educación su desarrollo potencial. Y también al servicio de las necesidades de la sociedad y el mundo educativo, para prevenir problemas como violencia, falta de valores democráticos, insolidaridad, y otros que aquejan a nuestras sociedades y pueden ser evitados por medio de una educación de “calidad”.

  4. Agent Architectures for Compliance

    Science.gov (United States)

    Burgemeestre, Brigitte; Hulstijn, Joris; Tan, Yao-Hua

    A Normative Multi-Agent System consists of autonomous agents who must comply with social norms. Different kinds of norms make different assumptions about the cognitive architecture of the agents. For example, a principle-based norm assumes that agents can reflect upon the consequences of their actions; a rule-based formulation only assumes that agents can avoid violations. In this paper we present several cognitive agent architectures for self-monitoring and compliance. We show how different assumptions about the cognitive architecture lead to different information needs when assessing compliance. The approach is validated with a case study of horizontal monitoring, an approach to corporate tax auditing recently introduced by the Dutch Customs and Tax Authority.

  5. Comportamentos de risco para transtornos do comportamento alimentar entre adolescentes do sexo feminino de diferentes estratos sociais do Nordeste do Brasil Risk behaviors for eating disorders among female adolescents from different social strata in the Brazilian Northeastern

    Directory of Open Access Journals (Sweden)

    Antonio Maia Olsen do Vale

    2011-01-01

    Full Text Available Este estudo procurou estimar a prevalência de transtornos do comportamento alimentar (TCA e identificar fatores de risco entre adolescentes do sexo feminino em Fortaleza (Ceará, Brasil. Realizou-se um estudo seccional com 652 estudantes secundaristas (14-20 anos usando-se o Teste de Investigação Bulímica de Edimburgo (BITE. Aplicou-se um modelo de regressão logística. Cerca de um quarto das participantes apresentou padrão alimentar de risco e práticas de controle de peso; em 1,2% encontraram-se indícios de TCA instalado. Medo de engordar foi relatado por 62%, independentemente de estudarem em colégios públicos ou particulares (p>0,05, mas uso de práticas de risco foi superior naquelas procedentes de escolas particulares (pThis study sought to estimate the prevalence of eating disorders (ED and identify risk factors among female adolescents in Fortaleza, Ceará, Brazil. It was conducted a sectional study with 652 high school students (14-20 years using the Bulimic Investigatory Test of Edinburgh (BITE. A logistic regression model was applied. Approximately one quarter of participants showed risk eating pattern and control weight practices, among 1.2% signs of an installed ED were found. Fear of weight gain was reported by 62% of adolescents, independently if studying at public or private schools (p>0.05, but the use of risk practices was higher among private schools students (p<0.05. Not having a religion (OR: 2.2, 95%CI: 1.1-4.2 and studying in private school (OR: 1.7, 95%CI: 1.2-2.5 were associated with an increased risk of ED. The ED emerge as a public health problem even in the poor areas of Brazil and the desire for a thin body was not differentiated between different social strata, although the risk practices are significantly higher among respondents from private schools. Subjective and cultural aspects are presented not only as risk factors, but also as protectors.

  6. Social scaling of extrapersonal space: target objects are judged as closer when the reference frame is a human agent with available movement potentialities.

    Science.gov (United States)

    Fini, C; Brass, M; Committeri, G

    2015-01-01

    effect was simply due to a line-of-sight mechanism (visual perspective taking) we compared the human agent free to move with the same agent tied to a pole with a rope, thus reducing movement potentialities while maintaining equal visual accessibility. The "Near space extension" disappeared when this manipulation was introduced, showing that movement potentialities are the relevant factor for such an effect. Our results demonstrate for the first time that during allocentric distance judgments within extrapersonal space, we implicitly process the movement potentialities of the RF. A target object is perceived as being closer when the allocentric RF is a human with available movement potentialities, suggesting a mechanism of social scaling of extrapersonal space processing. Copyright © 2014. Published by Elsevier B.V.

  7. O leitor como agente comunicacional no processo de produção e divulgação de informações em rede social

    Directory of Open Access Journals (Sweden)

    Reinaldo Carneiro

    2018-02-01

    Full Text Available Abstract: The objective of this study is to reflect on the actions of the reader in an era in which the interaction generated by information disseminated in social network nourish this universe where the reader is obliged to make multiple readings and still check the source of the information when the channel or space (website, portal is not known to much of these readers. As a consequence of this excess information and the capacity to be a reproducer and retransmitter of information and discourses, the reader becomes a communicational agent (SALGADO, 2005. The identity of the reader, therefore, is formed from his direct participation in the information dissemination process, since today he can also, through blog, website or portal, create his own informational space or for subjective and send an article for a portal that works in a decentralized way in relation to the production of content. Two portals were researched in the Policy Department: G1 and Blasting News Brasil with the purpose of verifying the form, content, calls, statements until their repercussion in social network to verify the positions of the reader in said processes. The content conveyed by the two portals is the same in the categories institutions / entities and themes, differing in the category of people / politicians. The results point to different forms of content production and distribution, and to the relationship between information and opinion.

  8. Agent SocialMetric: una plataforma basada en tecnología web para ambientes de enseñanza y soporte de valoración de conflictos en el aula

    Directory of Open Access Journals (Sweden)

    Antonieta Kuz

    2017-07-01

    Full Text Available Actualmente numerosas herramientas de software son utilizadas para asistir a los alumnos y favorecer el aprendizaje en el ámbito educativo. Mediante diversas investigaciones y como resultado del desarrollo de las TICs, fue factible la creación de una herramienta web de desarrollo propio denominada Agent SocialMetric. La misma se fundamenta en el entrelazado del Análisis de Redes Sociales (ARS junto con los Agentes Inteligentes Conversacionales (en nuestro caso, el agente Albert. El objetivo primordial de la herramienta es brindar asistencia a los docentes, mostrando el clima social predominante en el aula a través de Albert. En el presente artículo evidenciamos los fundamentos y motivaciones de la propuesta junto con una descripción de la metodología embebida en Agent SocialMetric. Circunscribiendo la aplicación a un caso práctico en el ámbito de la Educación Secundaria, podrán verse las actitudes, los comportamientos específicos de compañeros y las posiciones de éstos en la red social del aula, que influyen en el bullying. Finalmente, brindaremos conclusiones y el trabajo futuro.

  9. Variación de los segmentos corporales de escolares patagónicos en barrios con diferentes NBB

    Directory of Open Access Journals (Sweden)

    Botterón, Tania Vanesa

    2007-01-01

    Full Text Available Los segmentos corporales presentan diferentes períodos de maduración, reflejando su relación con la nutrición y condicionando la expresión del dimorfismo sexual (DS. El objetivo del trabajo fue evaluar el DS observado en el crecimiento de escolares de 6 a 14 años de barrios con diferentes NBI -(NBI alto y (NBI bajo-. Se estudió transversalmente una muestra de 500 mujeres y 570 varones de la ciudad de Puerto Madryn, Chubut. Se relevaron: estatura total, estatura sentada (ES y se calculó la longitud del segmento inferior (LSI y el índice córmico (IC. Se utilizaron pruebas de Wilcoxon, p= 0.05. La ES presentó para todas las edades valores nominales mayores en el NBI bajo (p=0.3 respecto al NBI alto (p=0.22. De igual manera se comportó la LSI (p=0.06 NBI bajo; (p=0.09 NBI alto. El IC presentó dos eventos evidentes en cada sexo: uno cercano a los 6.5 años y hasta alrededor de los 9-10 años, donde el valor del IC fue menor en las mujeres respecto de los varones y otro a los 10.5-12 años, edad a la cual los valores femeninos superaron a los masculinos (NBI bajo p=0.16; NBI alto p=0.22. La ref. NHANES presentó un comportamiento similar. Los resultados confirman la influencia que ejercen las desigualdades sociales -como agentes estresantes- sobre el crecimiento de la población infantil estudiada, cuya respuesta adaptativa difiere a la de otras poblaciones argentinas y americanas.

  10. Culturally Aware Agent Communication

    DEFF Research Database (Denmark)

    Rehm, Matthias; Nakano, Yukiko; Koda, Tomoko

    2012-01-01

    Agent based interaction in the form of Embodied Conversational Agents (ECAs) has matured over the last decade and agents have become more and more sophisticated in terms of their verbal and nonverbal behavior like facial expressions or gestures. Having such “natural” communication channels...... available for expressing not only task-relevant but also socially and psychologically relevant information makes it necessary to take influences into account that are not readily implemented like emotions or cultural heuristics. These influences have a huge impact on the success of an interaction...

  11. Modeling culture in intelligent virtual agents

    NARCIS (Netherlands)

    Mascarenhas, S.; Degens, N.; Paiva, A.; Prada, R.; Hofstede, G.J.; Beulens, A.J.M.; Aylett, R.

    2016-01-01

    This work addresses the challenge of creating virtual agents that are able to portray culturally appropriate behavior when interacting with other agents or humans. Because culture influences how people perceive their social reality it is important to have agent models that explicitly consider social

  12. Las comparaciones interpersonales y la evaluación de estados sociales alternativos

    Directory of Open Access Journals (Sweden)

    Casas , Andrés Fernando

    2003-06-01

    Full Text Available Este ensayo revisa diferentes aproximaciones de la teoría económica para evaluar estados sociales alternativos, a partir de la formulación de una función de bienestar social que admita o niegue comparaciones interpersonales de utilidad. Analiza en especial los puntos de vista de la vieja y la nueva economía del bienestar. Y concluye que con los aportes de Amartya Sen al concepto de bienestar como funcionamiento y al de justicia como capacidad de elegir entre diversos funcionamientos, es posible considerar de manera distinta a los agentes y evaluar opciones alternativas de condiciones de vida.

  13. "Ser diferente é normal?"/"Being different: is it normal?"

    Directory of Open Access Journals (Sweden)

    Viviane Veras

    2007-01-01

    Full Text Available A pergunta título deste trabalho retoma o slogan “Ser diferente é normal”, que é parte da campanha criada para uma organização não-governamental que atende portadores de Síndrome de Down. O objetivo é a inclusão social da pessoa com deficiência e o primeiro passo foi propor a inclusão de um grupo de diferentes no grupo dito normal. No vídeo de lançamento da campanha, o diferente, identificado como normal, é mostrado por meio de exemplos – um negro com cabelo black-power, um skin-head, um corpo tatuado, um corpo feminino halterofílico, uma família hippie, uma garota com síndrome de Down. A visão da adolescente dançando reduz, de certo modo, o efeito imaginário que vai além da síndrome, uma vez que apenas o corpo com seus olhinhos puxados se destacam, e não se interrogam questões cognitivas. Minha proposta é refletir sobre o estatuto paradoxal do exemplo, tal como é trabalhado nesse vídeo: se, por definição, um exemplo mostra de fato seu pertencimento a uma classe, pode-se concluir que é exatamente por ser exemplar que ele se encontra fora dela, no exato momento em que a exibe e define. The question in the title of this paper refers to the slogan "ser diferente é normal" ("It´s normal to be different", which is part of a campaign created for a NGO that supports people with Down syndrome. The objective of the campaign is to promote the social inclusion of individuals with Down syndrome, and the first step was to propose the inclusion of a group of "differents" in the so-called normal group. The film launching the campaign shows the different identified as normal by means of examples: a black man exhibiting blackpower haircut, a skin-head, a tattooed body, an over-athletic female body, a hippie family and a girl with Down syndrome. The vision of the dancing teenager lessens the imaginary effect that surpasses the syndrome, since only her body and her little oriental eyes stand out and no cognitive issues are

  14. [Alkylating agents].

    Science.gov (United States)

    Pourquier, Philippe

    2011-11-01

    With the approval of mechlorethamine by the FDA in 1949 for the treatment of hematologic malignancies, alkylating agents are the oldest class of anticancer agents. Even though their clinical use is far beyond the use of new targeted therapies, they still occupy a major place in specific indications and sometimes represent the unique option for the treatment of refractory diseases. Here, we are reviewing the major classes of alkylating agents and their mechanism of action, with a particular emphasis for the new generations of alkylating agents. As for most of the chemotherapeutic agents used in the clinic, these compounds are derived from natural sources. With a complex but original mechanism of action, they represent new interesting alternatives for the clinicians, especially for tumors that are resistant to conventional DNA damaging agents. We also briefly describe the different strategies that have been or are currently developed to potentiate the use of classical alkylating agents, especially the inhibition of pathways that are involved in the repair of DNA lesions induced by these agents. In this line, the development of PARP inhibitors is a striking example of the recent regain of interest towards the "old" alkylating agents.

  15. Saberes e práticas do agente comunitário de saúde no universo do transtorno mental Knowledge and practices of the community health agent in the universe of mental disorder

    Directory of Open Access Journals (Sweden)

    Márcia Maria Mont'Alverne de Barros

    2009-02-01

    Full Text Available Esta investigação, de natureza qualitativa, objetivou conhecer os saberes e práticas do agente comunitário de saúde no universo do transtorno mental. Foram entrevistados catorze agentes que atuam na Estratégia Saúde da Família de Sobral, Ceará. Inferimos que a construção dos conceitos acerca do transtorno mental é um processo influenciado por fatores subjetivos e socioculturais e vinculado à vivência de experiências concretas. Os agentes comunitários de saúde utilizam diferentes parâmetros para conceituar uma pessoa com transtornos mentais, como padrões de normalidade ou anormalidade do comportamento e capacidade de realizar julgamentos de fato. O isolamento social emergiu como importante fator, tendo sido relatado, pelos diferentes sujeitos da pesquisa, como causa, conseqüência e como o próprio transtorno mental. O medo, como conseqüência da estranheza causada pelo comportamento das pessoas com transtornos mentais, foi identificado como um importante entrave à atuação dos agentes comunitários de saúde. As estratégias adotadas por estes profissionais, pautadas fundamentalmente no diálogo, revelam a preocupação com a inserção social e com a necessidade de envolvimento das famílias no cuidado das pessoas com transtornos mentais.This qualitative investigation aimed at collecting information about the knowledge and practices of the community health agents related to the universe of mental disorders. Fourteen agents working in the Family Health Program in Sobral, Ceará were interviewed. We deduced that the concepts of mental disorder are constructed in a process influenced by subjective and socio-cultural aspects and in connection with concrete experiences. The community health agents judge mentally disturbed persons on the basis of different criteria such as normal or abnormal behavior standards and the capacity to make judgments. Social isolation emerged as an important factor, considered by the different

  16. Product and Agent

    DEFF Research Database (Denmark)

    Montecino, Alex; Valero, Paola

    2015-01-01

    In this paper we will explore how the “mathematics teacher” becomes a subject and, at the same time, is subjected as part of diverse dispositive of power. We argue that the mathematics teacher becomes both a product and a social agent, which has been set, within current societies, from the ideas...

  17. A Composite Agent Architecture for Multi-Agent Simulations

    OpenAIRE

    VanPutte, Michael; Osborn, Brian; Hiles, John

    2002-01-01

    CGF Computer Generated Forces and Behavioral Representation The MOVES Institute’s Computer-Generated Autonomy Group has focused on a research goal of modeling complex and adaptive behavior while at the same time making the behavior easier to create and control. This research has led to several techniques for agent construction, that includes a social and organization relationship management engine, a composite agent architecture, an agent goal apparatus, a structure for capturi...

  18. The Agent of Change: The Agent of Conflict.

    Science.gov (United States)

    Hatfield, C. R., Jr.

    This speech examines the role of change agents in third world societies and indicates that the change agent must, to some extent, manipulate the social situation, even if his view of society is a more optimistic one than he finds in reality. If he considers strains and stresses to be the lubricants of change, then his focus on conflict as a…

  19. Diferentes tendencias prosociales: el papel de las emociones

    OpenAIRE

    Samper García, Paula

    2014-01-01

    El objetivo del estudio es analizar la relación entre diferentes comportamientos prosociales y diferentes variables emocionales. Han participado chicos y chicas adolescentes de 14 a 16 años de centros escolares, públicos y concertados de la Comunidad Valenciana. Se han evaluado diferentes tipos de comportamientos prosociales (público, altruista, anónimo, de obediencia, de emergencia), emociones consideradas negativas (inestabilidad emocional, ira, agresividad, ansiedad, estrés como amenaza) y...

  20. A impossibilidade de amamentar em diferentes contextos

    OpenAIRE

    Cassia Vilene Neves; Angela Helena Marin

    2013-01-01

    O presente estudo teve como objetivo investigar os sentimentos e o significado atribuído por mulheres à vivência da impossibilidade de amamentar. Trata-se de um estudo qualitativo, realizado através de uma entrevista semiestruturada aplicada a três diferentes grupos de mães, a saber: mães portadoras de HIV positivo, mães que não possuíram leite suficiente para amamentar seus filhos, e mães de bebês com intolerância à lactose. A análise de conteúdo das entrevistas revelou que as dificuldades ...

  1. Associations and dissociations: agents, discourses and controversies surrounding child hyperactivity

    Directory of Open Access Journals (Sweden)

    Inma Hurtado García

    2017-07-01

    Full Text Available El trastorno por déficit de atención e hiperactividad (TDAH genera debates que enfrentan a distintos agentes sociales con diferentes concepciones de la normalidad, la salud, el individuo y lo social. En este escenario de controversia, las madres y padres han tratado de mejorar las condiciones de vida de sus hijos desde diversos modelos de participación social en salud. Desde un abordaje cualitativo y etnográfico, se realizó un trabajo de campo entre 2013 y 2015 con el propósito de analizar la realidad asociativa española en torno al TDAH, así como otras iniciativas parentales individuales pero con ecos colectivos, para tratar de identificar las distintas relaciones con el conocimiento experto y los modelos de circulación de saberes que se dan en ellas, atendiendo a cómo configuran sus posicionamientos discursivos, establecen sus dinámicas colectivas y desarrollan sus acciones. La cualidad disputada del TDAH se manifiesta en modelos más complejos que el dual legos/expertos, así como en nuevas estrategias en la producción y colectivización del conocimiento facilitadas por Internet.

  2. Aprendizagem social, desenvolvimento de plataformas de múltiplos atores e governança da água no Brasil Social learning, development of multi-stakeholder platforms and water governance in Brazil Aprendizaje social, desarrollo de plataformas multi-agentes y gobernación del agua en Brasil

    Directory of Open Access Journals (Sweden)

    Pedro Roberto Jacobi

    2010-01-01

    Full Text Available PortuguêsA contribuição dos espaços deliberativos é fundamental para o fortalecimento da governança da água. A ampliação destes espaços de participação cidadã favorece qualitativamente a capacidade de representação dos interesses, entretanto o grande desafio é que esses espaços sejam efetivamente públicos, tanto no seu formato quanto nos resultados. Inserido no processo de Governança da Água, o conceito de Aprendizagem Social abre um estimulante espaço de desenvolver processos de articulação de ações que tem como premissa a noção de “aprender conjuntamente para manejo e decisões conjuntos e mudanças na gestão”. Basicamente, a estratégia de aprendizado é que todos devem conhecer o contexto de criticidade e condições de governança para intervirem juntos em contextos de bacias hidrográficas. A partir do conceito de Aprendizagem Social visa-se responder aos desafios da sustentabilidade e integração das interfaces na governança da água, o que pressupõe a contribuição de diferentes conhecimentos e interdisciplinaridade.EnglishThe contribution of decision-making spaces is fundamental for the strengthening of water governance. The expansion of these spaces of citizen involvement promotes qualitatively the ability of representation of interests. However, the big challenge is that these spaces become effectively public, both in their format and in their results. Inserted in the Water Governance Process, the concept of social learning opens an exciting space to develop processes of action articulation premised on the notion of "learning together for joint handling and decision-making as well as changes in corporate governance". Basically, the learning strategy is that everyone should know the context of criticality and governance conditions in order to intervene together in contexts of river basins. From the concept of social learning, one aims to meet the challenges of sustainability and integration of the

  3. Modeling culture in intelligent virtual agents

    OpenAIRE

    Mascarenhas, S.; Degens, N.; Paiva, A.; Prada, R.; Hofstede, G.J.; Beulens, A.J.M.; Aylett, R.

    2016-01-01

    This work addresses the challenge of creating virtual agents that are able to portray culturally appropriate behavior when interacting with other agents or humans. Because culture influences how people perceive their social reality it is important to have agent models that explicitly consider social elements, such as existing relational factors. We addressed this necessity by integrating culture into a novel model for simulating human social behavior. With this model, we operationalized a par...

  4. Rosemary extract and celery-based products used as natural quality enhancers for colonial type salami with different ripening times Extrato de alecrim e produtos derivados do aipo como agentes naturais potencializadores da qualidade de salames coloniais com diferentes tempos de maturação

    Directory of Open Access Journals (Sweden)

    Teresinha Marisa Bertol

    2012-12-01

    Full Text Available This study aimed to evaluate the use of rosemary (Rosmarinus officinalis extract (RE, celery (Apium graveolis, and low levels of NO3 and NO2 as natural agents to enhance the quality of colonial salami. Salami was produced according to three treatments: (A Control: 0.1% curing salt; (B Rosemary: 0.05% curing salt + 0.5% RE (rosemary extract; and (C Rosemary+celery: 0.14% Veg 503 + 0.27% Veg 504 (sea salt plus celery + 0.5% of RE (rosemary extract. There was no effect (P > 0.05 of the treatments on water activity, Na content, and residual NO3 and NO2. Fatty acids C18:2 and C20:4 were reduced (P Objetivou-se avaliar o efeito do extrato de alecrim (EA; Rosmarinus officinalis e do aipo (Apium graveolis e de baixos níveis de adição de NO3 e NO2, como agentes naturais potencializadores da qualidade dos salames coloniais. Foram produzidos salames de acordo com três tratamentos: (A Controle: 0,1% de sal de cura; (B Alecrim: 0,05% de sal de cura + 0,5% de EA; (C Alecrim+aipo: 0,14% de Veg 503 + 0,27% de Veg 504 (sal marinho e aipo + 0,5% de EA. Não houve efeito (p > 0,05 dos tratamentos sobre o conteúdo de Na, atividade de água e NO3 e NO2 residuais. Houve redução (p < 0,05 dos ácidos graxos C18:2 e C20:4 durante o período de maturação no tratamento Controle, indicando sua possível oxidação. O uso do aipo resultou em baixo (p < 0,05 pH no salame. A redução da adição de NO3 e NO2 resultou em salames com coloração mais clara (valores de L* mais elevados, p < 0,05 aos 12 dias de maturação. Conclui-se que o aipo foi efetivo como fonte de NO3 e NO2 para desenvolvimento da cor, mas o baixo pH do produto indica a necessidade de melhor avaliar sua utilização em salames fermentados. Os salames produzidos com EA poderão apresentar diferencial de qualidade pela menor oxidação das gorduras, mas isto necessita ser confirmado em estudo futuros.

  5. Chemical Agents

    Science.gov (United States)

    ... CR) see Riot Control Agents Digitalis Distilled mustard (HD) see Sulfur mustard E Ethylene glycol F Fentanyls and other opioids H Hydrazine Hydrofluoric acid (hydrogen fluoride) Hydrogen chloride Hydrogen cyanide (AC) Hydrogen ...

  6. Comentarios al Salto Social

    Directory of Open Access Journals (Sweden)

    Facultad de Ciencias Económicas

    1995-06-01

    Full Text Available 1. El Plan considera que la política social es un componente central de la estrategia macroeconómica. A diferencia de la administración Gaviria, lo social ha dejado de ser un asunto marginal, es consustancial al desarrollo y, por tanto, se le confiere una dimensión cualitativamente diferente.

  7. Political Socialization.

    Science.gov (United States)

    Himmelweit, Hilde T.

    1983-01-01

    Described are two longitudinal studies, one British, the other American, which examined the influences of varied socializing agents--e.g., family, school, peer groups--on voting behavior. The studies emphasized the hitherto unappreciated importance of the political, social, and economic climate of society and its changes on socialization. (CS)

  8. The Logic of the Method of Agent-Based Simulation in the Social Sciences: Empirical and Intentional Adequacy of Computer Programs

    OpenAIRE

    Nuno David; Jaime Simão Sichman; Helder Coelho

    2005-01-01

    WOS:000235217900009 (Nº de Acesso Web of Science) The classical theory of computation does not represent an adequate model of reality for simulation in the social sciences. The aim of this paper is to construct a methodological perspective that is able to conciliate the formal and empirical logic of program verification in computer science, with the interpretative and multiparadigmatic logic of the social sciences. We attempt to evaluate whether social simulation implies an additional pers...

  9. Comparação da percepção de fadiga e de capacidade para o trabalho entre trabalhadores têxteis de empresas que se encontram em diferentes estágios de responsabilidade social empresarial no estado de São Paulo, Brasil Comparison of fatigue and workability among textile workers of companies in different stages of corporate social responsibility in the state of São Paulo, Brazil

    Directory of Open Access Journals (Sweden)

    Ricardo Jorge Metzner

    2008-12-01

    Full Text Available OBJETIVOS: Comparar as características demográficas e as percepções da capacidade para o trabalho, fadiga e condições de trabalho entre trabalhadores de indústrias têxteis que estejam em diferentes estágios de responsabilidade social empresarial (RSE. MÉTODOS: Em estudo transversal, 126 trabalhadores de três empresas e cinco fábricas responderam a questionário de caracterização demográfica, condições e estilos de vida, a autoavaliações sobre fadiga, condições de trabalho e capacidade para o trabalho. As empresas foram classificadas em dois grupos de pontuação de indicadores de RSE (o grupo um de menor pontuação e o grupo dois de maior pontuação, com base nas respostas dadas em questionário específico. RESULTADOS: Não foram encontradas diferenças (p > 0,05 nos resultados de capacidade para o trabalho, fadiga e na maior parte dos dados demográficos obtidos entre os trabalhadores dos dois grupos. As melhores condições de trabalho, no grupo de maior pontuação (p = 0,008, deveram-se principalmente ao fornecimento de refeições nas fábricas. CONCLUSÕES: O desenvolvimento e a implementação de projetos de RSE não implicam, necessariamente, em melhores condições de trabalho ou em percepções dos trabalhadores de menor fadiga ou maior capacidade para o trabalho, em relação a empresas que não dispõem desses projetos. Por tratar-se de estudo transversal com população reduzida e como a capacidade para o trabalho pode diminuir com o envelhecimento do trabalhador novos estudos, preferencialmente longitudinais, deverão ser realizados, com populações maiores.OBJECTIVES: To compare demographic data and perception of workability, fatigue and working conditions among groups of workers of textile industries in different stages of Corporate Social Responsibility (CSR. RATIONAL: Cross-sectional study with 126 workers of 5 textile plants and 3 companies, they were asked to fill out a questionnaire to evaluate

  10. RESISTENCIA AL CORTE EN DISCONTINUIDADES CON DIFERENTES GRADOS DE RUGOSIDAD

    Directory of Open Access Journals (Sweden)

    Javier Fernando Camacho Tauta

    2009-01-01

    Full Text Available En esta investigación se realizaron ensayos triaxiales sobre rocas artifi ciales elaboradascon un mortero (arena, cemento y agua de diferente resistencia. Se incluyeron cilindros sin y con una discontinuidad orientada a 60° con respecto al eje horizontal y tres diferentes grados de rugosidad, (pulida plana, pulida ondulada y ondulada. Se determinaron los parámetros de resistencia de las probetas de mortero y se analizó la infl uencia de los diferentes grados de rugosidad utilizando el criterio de Barton, obteniendo el coefi ciente de rugosidad de la discontinuidad.

  11. ESQUEMA DE UNA TEORÍA DEL AGENTE CENTRADA EN LA CREATIVIDAD

    Directory of Open Access Journals (Sweden)

    Javier Luis Cristiano

    2016-01-01

    Full Text Available Las diferentes tradiciones teóricas de la sociología han reconocido que la inventiva, la imaginación y la creatividad son rasgos inherentes a la acción humana. Sin embargo, han privilegiado en sus teorizaciones otros aspectos de la acción, como la racionalidad, el seguimiento de normas sociales, la espontaneidad de las prácticas cotidianas o las habilidades lingüísticas y comunicativas. La intención de este artículo es proponer un esquema amplio y flexible para el desarrollo de una concepción del agente centrada en la creatividad, cuyo interés para las ciencias sociales viene dado por el vínculo, intuitivamente obvio, pero extremadamente complejo, entre creatividad y emergencia de nuevas identidades y nuevas formas de organización social. El esquema parte de una concepción del agente como estratificación de niveles de consciencia y autoconocimiento, diferenciando un plano pulsional de la creatividad, un plano prereflexivo-práctico y un plano discursivo. En cada uno se identifican mecanismos específicos de la creatividad de la acción, para esbozar luego algunas hipótesis de articulación entre los tres y algunas líneas de investigación que podrían, a futuro, apuntalar la propuesta.

  12. Esquema de una teoría del agente centrada en la creatividad

    Directory of Open Access Journals (Sweden)

    Javier Luis Cristiano

    2016-03-01

    Full Text Available Las diferentes tradiciones teóricas de la sociología han reconocido que la inventiva, la imaginación y la creatividad son rasgos inherentes a la acción humana. Sin embargo, han privilegiado en sus teorizaciones otros aspectos de la acción, como la racionalidad, el seguimiento de normas sociales, la espontaneidad de las prácticas cotidianas o las habilidades lingüísticas y comunicativas. La intención de este artículo es proponer un esquema amplio y flexible para el desarrollo de una concepción del agente centrada en la creatividad, cuyo interés para las ciencias sociales viene dado por el vínculo, intuitivamente obvio, pero extremadamente complejo, entre creatividad y emergencia de nuevas identidades y nuevas formas de organización social. El esquema parte de una concepción del agente como estratificación de niveles de consciencia y autoconocimiento, diferenciando un plano pulsional de la creatividad, un plano prereflexivo-práctico y un plano discursivo. En cada uno se identifican mecanismos específicos de la creatividad de la acción, para esbozar luego algunas hipótesis de articulación entre los tres y algunas líneas de investigación que podrían, a futuro, apuntalar la propuesta.

  13. Cisalhamento na Linha de Cola de Eucalyptus sp. Colado com Diferentes Adesivos e Diferentes Gramaturas

    Directory of Open Access Journals (Sweden)

    Juliana Jerásio Bianche

    2017-08-01

    Full Text Available RESUMO O objetivo deste trabalho foi avaliar a resistência ao cisalhamento na linha de cola de juntas de Eucalyptus sp. coladas com diferentes adesivos e diferentes gramaturas. Para a colagem das juntas foi utilizada a madeira de Eucalyptus sp., dois adesivos de cura a quente (fenol-formaldeído e melamina-formaldeído, quatro adesivos de cura a frio [resorcinol-formaldeído, silicato de sódio, PVA (acetato de polivinila e poliuretano à base de mamona], empregando-se gramaturas de 150 g, 200 g e 250 g/m2 em face dupla. Foram determinados aresistência ao cisalhamento e à falha na madeira, e cisalhamento em condição úmida. Os resultados obtidos indicaram que os adesivos de mamona e resorcinol apresentaram maior resistência ao cisalhamento na linha de cola na condição seca. Os adesivos de mamona e fenol-formaldeído apresentaram maior percentual de falha na madeira na condição seca.

  14. Responsabilidade social como estratégia corporativa: o caso da Johnson & Johnson

    OpenAIRE

    Rosenchan, Tatiana

    2010-01-01

    Trata da reorganização do espaço público/civil através de novos posicionamentos dos diferentes agentes da realidade socioeconômicas. Debate a necessidade da conscientização das possibilidades de sinergia na atuação conjunta entre os setores público, privado e terceiro setor. Enfoca, através de ilustrações e estudo de caso, o importante e estratégico papel que a empresa assume como protagonista social. Analisa impactos e conseqüências dessa atuação.

  15. [Biological agents].

    Science.gov (United States)

    Amano, Koichi

    2009-03-01

    There are two types of biological agents for the treatment of rheumatoid arthritis (RA); monoclonal antibodies and recombinant proteins. Among the latter, etanercept, a recombinant fusion protein of soluble TNF receptor and IgG was approved in 2005 in Japan. The post-marketing surveillance of 13,894 RA patients revealed the efficacy and safety profiles of etanercept in the Japanese population, as well as overseas studies. Abatacept, a recombinant fusion protein of CTLA4 and IgG, is another biological agent for RA. Two clinical trials disclosed the efficacy of abatacept for difficult-to-treat patients: the AIM for MTX-resistant cases and the ATTAIN for patients who are resistant to anti-TNF. The ATTEST trial suggested abatacept might have more acceptable safety profile than infliximab. These biologics are also promising for the treatment of RA for not only relieving clinical symptoms and signs but retarding structural damage.

  16. Estilos interpessoais e participação em redes sociais em diferentes ambientes de trabalho

    OpenAIRE

    Brito, Fernanda de Souza

    2012-01-01

    110f. Este estudo examinou a relação entre estilos interpessoais e a participação do indivíduo nas redes sociais em diferentes ambientes de trabalho. Redes sociais se formam pelos vínculos afetivos, cognitivos e de compartilhamento de recursos estabelecidos entre atores sociais. Diferenças de desempenho no trabalho podem estar relacionadas ao posicionamento das pessoas em suas redes sociais. Ocupar uma posição de centralidade em uma rede social possibilita a aquisição de inf...

  17. Trading Agents

    CERN Document Server

    Wellman, Michael

    2011-01-01

    Automated trading in electronic markets is one of the most common and consequential applications of autonomous software agents. Design of effective trading strategies requires thorough understanding of how market mechanisms operate, and appreciation of strategic issues that commonly manifest in trading scenarios. Drawing on research in auction theory and artificial intelligence, this book presents core principles of strategic reasoning that apply to market situations. The author illustrates trading strategy choices through examples of concrete market environments, such as eBay, as well as abst

  18. El acoso sexual laboral a través de la percepción social de los agentes implicados en su prevención y control

    OpenAIRE

    Pérez Guardo, Rocío

    2013-01-01

    La presente Tesis Doctoral parte de la premisa de que el fin último de la investigación social ha de ser aportar conocimientos que contribuyan a lograr mayores cotas de bienestar social. En el caso que nos ocupa, ese bienestar se materializa en la promoción de unas saludables relaciones interpersonales en los centros de trabajo; unas relaciones que no obstaculicen sino promuevan el desarrollo profesional y personal de los/las trabajadores/as y la marcha de las organizaciones laborales, como l...

  19. Atribuciones sobre el uso de la fuerza policial desde la perspectiva del agente

    Directory of Open Access Journals (Sweden)

    Julián Martínez

    2014-08-01

    Full Text Available Se describen los contenidos de los procesos atribucionales asociados al uso de la fuerza en agentes de la Policía de la Provincia de Córdoba, Argentina. Los antecedentes indican que, además de los marcos legales, existen sistemas de creencias, valores, actitudes, definiciones morales, aspectos situacionales y una cultura institucional, que operan en los policías al momento de usar la fuerza. Mediante entrevistas en profundidad a 10 agentes policiales de la Provincia de Córdoba, hallamos dimensiones atributivas externas e internas, que a su vez guardan relación con el tipo de trabajo policial según éste sea bajo órdenes o sin ellas. También identificamos relaciones entre dichas dimensiones y diferentes niveles de fuerza que se aplican. Esta investigación cobra importancia por su abordaje psicosocial que prioriza la comprensión de las dimensiones subjetivas de los agentes, evitando explicar la práctica policial únicamente como un mecanismo para el control del orden social y político.

  20. Radioprotective Agents

    Directory of Open Access Journals (Sweden)

    Ilker Kelle

    2008-01-01

    Full Text Available Since1949, a great deal of research has been carried out on the radioprotective activity of various chemical substances. Thiol compounds, compounds which contain –SH radical, different classes of pharmacological agents and other compounds such as vitamine C and WR-2721 have been shown to reduce mortality when administered prior to exposure to a lethal dose of radiation. Recently, honey bee venom as well as that of its components melittin and histamine have shown to be valuable in reduction of radiation-induced damage and also provide prophylactic alternative treatment for serious side effects related with radiotherapy. It has been suggested that the radioprotective activity of bee venom components is related with the stimulation of the hematopoetic system.

  1. You Can’t Criticize What You Don’t Understand: Teachers as Social Change Agents in Neo-Liberal Times

    Directory of Open Access Journals (Sweden)

    Michael O’Sullivan

    2008-01-01

    Full Text Available Despite the existence of success stories of individual teachers and even school-wide groups of teachers successfully teaching from a global perspective, this paper raises a basic question: to what extent can the average teacher be an agent of change in the tradition of Dewey, Freire, and Giroux? The questioning of this role arises from the observation that many teachers are high achieving graduates of the very school system to which they have returned; and, as a result of spending their formative years in largely untroubled middle-class circumstances, are steeped in the dominant neoliberal ideology and consumer-orientation of the global market society. The author implicitly raises the issue, especially given his concerns about the power of the dominant ideology, as to just how critical and how transformative the actual classroom practice of global education and global citizenship education is or has the potential of being.

  2. Sustainable Society Formed by Unselfish Agents

    Science.gov (United States)

    Kikuchi, Toshiko

    It has been pointed out that if the social configuration of the three relations (market, communal and obligatory relations) is not balanced, a market based society as a total system fails. Using multi-agent simulations, this paper shows that a sustainable society is formed when all three relations are integrated and function respectively. When agent trades are based on the market mechanism (i.e., agents act in their own interest and thus only market relations exist), weak agents who cannot perform transactions die. If a compulsory tax is imposed to enable all weak agents to survive (i.e., obligatory relations exist), then the fiscal deficit increases. On the other hand, if agents who have excess income undertake the unselfish action of distributing their surplus to the weak agents (i.e., communal relations exist), then trade volume increases. It is shown that the existence of unselfish agents is necessary for the realization of a sustainable society. However, the survival of all agents is difficult in a communal society. In an artificial society, for all agents survive and fiscal balance to be maintained, all three social relations need to be fully integrated. These results show that adjusting the balance of the three social relations well lead to the realization of a sustainable society.

  3. GIS and agent based spatial-temporal simulation modeling for assessing tourism social carrying capacity: a study on Mount Emei scenic area, China

    Science.gov (United States)

    Zhang, Renjun

    2007-06-01

    Each scenic area can sustain a specific level of acceptance of tourist development and use, beyond which further development can result in socio-cultural deterioration or a decline in the quality of the experience gained by visitors. This specific level is called carrying capacity. Social carrying capacity can be defined as the maximum level of use (in terms of numbers and activities) that can be absorbed by an area without an unacceptable decline in the quality of experience of visitors and without an unacceptable adverse impact on the society of the area. It is difficult to assess the carrying capacity, because the carrying capacity is determined by not only the number of visitors, but also the time, the type of the recreation, the characters of each individual and the physical environment. The objective of this study is to build a spatial-temporal simulation model to simulate the spatial-temporal distribution of tourists. This model is a tourist spatial behaviors simulator (TSBS). Based on TSBS, the changes of each visitor's travel patterns such as location, cost, and other states data are recoded in a state table. By analyzing this table, the intensity of the tourist use in any area can be calculated; the changes of the quality of tourism experience can be quantized and analyzed. So based on this micro simulation method the social carrying capacity can be assessed more accurately, can be monitored proactively and managed adaptively. In this paper, the carrying capacity of Mount Emei scenic area is analyzed as followed: The author selected the intensity of the crowd as the monitoring Indicators. it is regarded that longer waiting time means more crowded. TSBS was used to simulate the spatial-temporal distribution of tourists. the average of waiting time all the visitors is calculated. And then the author assessed the social carrying capacity of Mount Emei scenic area, found the key factors have impacted on social carrying capacity. The results show that the TSBS

  4. 社会中介参与村级会计委托代理服务的演化博弈分析%Analysis of Social Intermediaries Involved in Village-Level Accounting Principal-Agent Services

    Institute of Scientific and Technical Information of China (English)

    傅黎瑛; 杨银川

    2014-01-01

    我国村级会计委托代理制存在两种现实模式:一是以浙江省为代表并在全国范围内普遍推广的“村账镇代理”模式,另有广东佛山市推行的由会计师事务所代理村会计核算的“村账所代理”模式。本文运用演化博弈论原理,对社会中介参与村级会计委托代理的可行性、优势及其运行模式作出分析,提出“村账所代理”即由社会中介(如会计师事务所)代理村级会计更符合我国农村财务管理的现实和发展趋势。%In China, the village accounting principal-agent system has two modes: one is the “village accounting by township agent” mode that is a representative practice in Zhejiang Province and is promoted widely in the whole country ;the other is the“village accounting by firm agent” mode that is adopted by Foshan City , Guangdong Province , in which village ac-counting services are provided by accounting firms . This article , using principles of evolutionary game theory , analyzes the feasibility and advantages of the participation of social intermediaries in the village-level accounting principal-agent operation , and proposes that the “village accounting by firm agent” mode with social intermediaries ( such as accounting firms ) is more in line with the reality and trend of financial management in rural China .

  5. Agentes comunitários de saúde: sentidos acerca do trabalho em HIV/AIDS Community health agents: meanings in HIV/AIDS work

    Directory of Open Access Journals (Sweden)

    Nara Helena Lopes Pereira da Silva

    2008-08-01

    Full Text Available Este estudo pretende ampliar discussões sobre o trabalho dos agentes comunitários de saúde, na atenção primária, em relação ao HIV/AIDS. Para tal, o objetivo foi dar visibilidade para os sentidos construídos sobre HIV/AIDS em um grupo com agentes comunitários de saúde. Foi realizada uma entrevista com um grupo de quatro agentes, sendo a mesma gravada, transcrita e analisada na perspectiva do construcionismo social. A análise das narrativas informa como os diferentes sentidos atribuídos ao longo da história da epidemia se fazem presentes nas concepções e no trabalho com HIV/AIDS, a saber: o preconceito ancorado pelo discurso científico; as relações de gênero implicadas no trabalho; os valores contemporâneos atrelados à perfeição e juventude. Destaca-se que tais sentidos construídos conjuntamente na interação grupal, interpretam e constituem o fazer saúde. Assim, conclui-se que a criação de espaços para a troca dialógica entre os profissionais possibilita problematizar sentidos aparentemente cristalizados no que se refere a temática do HIV/AIDS.The present study intends to extend discussions about the community health agents work in the primary attention, concerning HIV/AIDS. For this purpose, the objective was to give visibility to the constructed meanings regarding HIV/AIDS in a group of community health agents. A group interview was conducted with four agents. The interview was tape-recorded, transcribed and analyzed in the perspective of social constructionism. The analysis of the narratives informed how the different meanings attributed throughout the history of the epidemy are present in conceptions and in the work with HIV/AIDS, namely, the prejudice anchored by the scientific discourse; gender issues involved in work relations; contemporary values expressed in the ideals of perfection and youth. We emphasize that these meanings jointly constructed with group interaction, interpret and constitute health care

  6. Costs of task allocation with local feedback: Effects of colony size and extra workers in social insects and other multi-agent systems.

    Science.gov (United States)

    Radeva, Tsvetomira; Dornhaus, Anna; Lynch, Nancy; Nagpal, Radhika; Su, Hsin-Hao

    2017-12-01

    Adaptive collective systems are common in biology and beyond. Typically, such systems require a task allocation algorithm: a mechanism or rule-set by which individuals select particular roles. Here we study the performance of such task allocation mechanisms measured in terms of the time for individuals to allocate to tasks. We ask: (1) Is task allocation fundamentally difficult, and thus costly? (2) Does the performance of task allocation mechanisms depend on the number of individuals? And (3) what other parameters may affect their efficiency? We use techniques from distributed computing theory to develop a model of a social insect colony, where workers have to be allocated to a set of tasks; however, our model is generalizable to other systems. We show, first, that the ability of workers to quickly assess demand for work in tasks they are not currently engaged in crucially affects whether task allocation is quickly achieved or not. This indicates that in social insect tasks such as thermoregulation, where temperature may provide a global and near instantaneous stimulus to measure the need for cooling, for example, it should be easy to match the number of workers to the need for work. In other tasks, such as nest repair, it may be impossible for workers not directly at the work site to know that this task needs more workers. We argue that this affects whether task allocation mechanisms are under strong selection. Second, we show that colony size does not affect task allocation performance under our assumptions. This implies that when effects of colony size are found, they are not inherent in the process of task allocation itself, but due to processes not modeled here, such as higher variation in task demand for smaller colonies, benefits of specialized workers, or constant overhead costs. Third, we show that the ratio of the number of available workers to the workload crucially affects performance. Thus, workers in excess of those needed to complete all tasks

  7. Costs of task allocation with local feedback: Effects of colony size and extra workers in social insects and other multi-agent systems.

    Directory of Open Access Journals (Sweden)

    Tsvetomira Radeva

    2017-12-01

    Full Text Available Adaptive collective systems are common in biology and beyond. Typically, such systems require a task allocation algorithm: a mechanism or rule-set by which individuals select particular roles. Here we study the performance of such task allocation mechanisms measured in terms of the time for individuals to allocate to tasks. We ask: (1 Is task allocation fundamentally difficult, and thus costly? (2 Does the performance of task allocation mechanisms depend on the number of individuals? And (3 what other parameters may affect their efficiency? We use techniques from distributed computing theory to develop a model of a social insect colony, where workers have to be allocated to a set of tasks; however, our model is generalizable to other systems. We show, first, that the ability of workers to quickly assess demand for work in tasks they are not currently engaged in crucially affects whether task allocation is quickly achieved or not. This indicates that in social insect tasks such as thermoregulation, where temperature may provide a global and near instantaneous stimulus to measure the need for cooling, for example, it should be easy to match the number of workers to the need for work. In other tasks, such as nest repair, it may be impossible for workers not directly at the work site to know that this task needs more workers. We argue that this affects whether task allocation mechanisms are under strong selection. Second, we show that colony size does not affect task allocation performance under our assumptions. This implies that when effects of colony size are found, they are not inherent in the process of task allocation itself, but due to processes not modeled here, such as higher variation in task demand for smaller colonies, benefits of specialized workers, or constant overhead costs. Third, we show that the ratio of the number of available workers to the workload crucially affects performance. Thus, workers in excess of those needed to

  8. Practice among Novice Change Agents in Schools

    Science.gov (United States)

    Blossing, Ulf

    2016-01-01

    The aim of the article is to understand practice as negotiation of meaning among novice and internal change agents in school organisations. The research question is as follows: What themes of participation and reification/management occur among the change agents? The study was qualitative in design using the social learning theory of community of…

  9. Agentes comunitários de saúde: perfil e formação Community health agents: profile and education

    Directory of Open Access Journals (Sweden)

    Carla Kowalski Marzari

    2011-01-01

    Full Text Available A pesquisa discute o perfil e a formação dos agentes comunitários de saúde. Não existe ainda clareza sobre o tipo de profissional necessário e a formação adequada para o desempenho da função. Trata-se de um estudo de caso com metodologia exploratória e abordagem qualitativa. A coleta de dados foi com grupo focal formado por dez agentes, selecionados intencionalmente entre aqueles com mais tempo de serviço nas Equipes da Estratégia Saúde da Família do município de Santa Maria (RS. As discussões foram gravadas e transcritas. Os dados foram trabalhados através da análise de conteúdo. Os resultados apontaram para algumas questões centrais sobre a identidade dos agentes: integração na equipe de saúde, inserção na comunidade, perfil e formação. O perfil que emerge da pesquisa não é diferente daquele proposto pelo Ministério da Saúde. No entanto, o diferencial é a busca por profissionalização, iniciativa assumida pelo próprio agente, efetivada e pautada pela realidade que ele enfrenta a partir da sua atuação. As lacunas percebidas na sua formação levam o agente a construir sua própria identidade profissional, pautada mais pelo aspecto técnico do conhecimento científico do que pela sua competência social como agente comunitário.This research discusses the profile and education of the community health agents. There is no clarity about the kind of professional needed and the appropriate training to the fulfillment of the function. The research is a case study with exploratory methodology and qualitative approach. The data was collected with a focused group, formed by ten agents, intentional selected from those with more time in service in Family Health Strategy teams from the municipality of Santa Maria, Rio Grande do Sul State. The discussions were recorded and transcribed by the researcher. The data was interpreted by content analysis. The results pointed to some important questions concerning the identity of

  10. Census of land use and water as tools of information and collaboration with social partners; Censos del uso de la tierra y el agua como herramientas de informacion y colaboracion con los agentes sociales

    Energy Technology Data Exchange (ETDEWEB)

    Blazquez Perez, D.; Ortiz Trujillo, D.; Perez Fonseca, A.; Sierra Gil, S.

    2011-07-01

    This paper tries to present the development of the Census Land Use and Water as an instrument of the operator of the facility to enhance the knowledge of the environment of nuclear facilities, as well as a tool for communication and collaboration with the municipalities, in order to a closer and transparency with the social partners in decision making affecting such facilities.

  11. Subjetividad social, sujeto y representaciones sociales

    OpenAIRE

    Fernando González Rey

    2008-01-01

    este trabajo discute algunos de los retos concernientes al desarrollo de representaciones sociales en la Psicología actual. Aal igual que con cualquier construcción teórica capaz de iluminar nuevos aspectos del pensamiento científico, el concepto de representaciones sociales se ha expandido a través de los autores que lo usan con diferentes bases teóricas y metodológicas. Sse introduce en la discusión sobre las alternativas actuales para el desarrollo de la representación social e...

  12. Knowledge Management in Role Based Agents

    Science.gov (United States)

    Kır, Hüseyin; Ekinci, Erdem Eser; Dikenelli, Oguz

    In multi-agent system literature, the role concept is getting increasingly researched to provide an abstraction to scope beliefs, norms, goals of agents and to shape relationships of the agents in the organization. In this research, we propose a knowledgebase architecture to increase applicability of roles in MAS domain by drawing inspiration from the self concept in the role theory of sociology. The proposed knowledgebase architecture has granulated structure that is dynamically organized according to the agent's identification in a social environment. Thanks to this dynamic structure, agents are enabled to work on consistent knowledge in spite of inevitable conflicts between roles and the agent. The knowledgebase architecture is also implemented and incorporated into the SEAGENT multi-agent system development framework.

  13. Saúde mental, direitos, cidadania: o escritório de advocacia como agência para inclusão social Salud mental, derechos, ciudadanía: la oficina de abogacía como agencia para la inclusión social Mental health, rights and citizenship: the law office as an agent for social inclusion

    Directory of Open Access Journals (Sweden)

    Taia Duarte Mota

    2008-06-01

    entrevistas con cuatro usuarios, los cuales evaluaron el servicio, comprendiendo que él facilita la inserción en el mundo de los derechos y, por tanto, puede ser considerado como una importante tecnología en salud mental.The Psychiatric Reform discusses issues related to the inclusion of individuals that suffer from mental disorders, having as its main project the construction of citizenship through the reconstruction of their rights and recognizing that mentally ill individuals are in a condition of exclusion because of their very condition, the work and the social fragility. The Centro de Atenção Psicossocial Prof. Luiz da Rocha Cerqueira intends to interfere in the exclusion condition of mentally ill individuals through a number of projects, among them its Law Office, a social service agent that, by promoting alliances, offers to its users the possibility to reach higher and higher levels of management of their lives. The purpose of this study was to characterize the users of the Law Office and verify the importance of such intervention to them. Four users were interviewed and were asked to evaluate the service. They showed understanding of the fact that the service makes their insertion into the world of rights easier and therefore may be considered an important technology in mental health.

  14. Um projeto de intervenção social visto pelos seus agentes: estudo psicossocial do Programa de Saúde da Família

    Directory of Open Access Journals (Sweden)

    Ana Maria Blanques

    2010-01-01

    Full Text Available O Programa de Saúde da Família (PSF foi escolhido como objeto deste estudo por ser um projeto de intervenção social que pretende promover maior autonomia da população para resolver problemas relativos à saúde no território. O material obtido em entrevistas com os profissionais foi analisado por meio de categorias agrupadas em dois blocos temáticos: concepção do trabalho - aquelas que se referem às atividades, e de sujeito - em que se reúnem as ideias sobre as pessoas envolvidas. Os conteúdos revelam que o programa não atinge as mudanças previstas. O conceito de território é incipiente, a participação é precária e as doenças se mantêm em lugar privilegiado. As pessoas da população são referidas num conjunto que é caracterizado por faltas, carências, necessidades e, em muitos casos, são identificadas aos próprios entrevistados. A ajuda mobiliza as ações e é o eixo a partir do qual os atores compreendem sua própria atuação.

  15. Autismo: breve revisão de diferentes abordagens Autism: a brief review of different approaches

    Directory of Open Access Journals (Sweden)

    Cleonice Bosa

    2000-01-01

    Full Text Available Esse artigo examina diferentes abordagens no estudo do autismo: psicanálise, teoria afetiva, teoria da mente, teorias neuropsicológicas e de processamento da informação. As principais contribuições e limitações dessas abordagens são identificadas. Reivindica-se a necessidade de integração dos diferentes domínios e de investigações que incluam tanto as deficiências quanto as competências sociais dos indivíduos com autismo. Isso auxiliaria no reconhecimento das diferenças individuais ao longo do continuum autista.This paper examines different approaches to the study of autism: psychoanalyses, affective theory, theory of mind, neuropsychological and information processing theories. The main contribution and limitation of these approaches are pinpointed. A claim is made towards the need of integration of different domains and further investigation that includes both social deficits and competence of individuals with autism. This would help the recognition of individual differences within the autistic continuum.

  16. What makes virtual agents believable?

    Science.gov (United States)

    Bogdanovych, Anton; Trescak, Tomas; Simoff, Simeon

    2016-01-01

    In this paper we investigate the concept of believability and make an attempt to isolate individual characteristics (features) that contribute to making virtual characters believable. As the result of this investigation we have produced a formalisation of believability and based on this formalisation built a computational framework focused on simulation of believable virtual agents that possess the identified features. In order to test whether the identified features are, in fact, responsible for agents being perceived as more believable, we have conducted a user study. In this study we tested user reactions towards the virtual characters that were created for a simulation of aboriginal inhabitants of a particular area of Sydney, Australia in 1770 A.D. The participants of our user study were exposed to short simulated scenes, in which virtual agents performed some behaviour in two different ways (while possessing a certain aspect of believability vs. not possessing it). The results of the study indicate that virtual agents that appear resource bounded, are aware of their environment, own interaction capabilities and their state in the world, agents that can adapt to changes in the environment and exist in correct social context are those that are being perceived as more believable. Further in the paper we discuss these and other believability features and provide a quantitative analysis of the level of contribution for each such feature to the overall perceived believability of a virtual agent.

  17. Las ciencias sociales y los dispositivos de la complejidad

    Directory of Open Access Journals (Sweden)

    Rodrigo Martínez Díaz

    2013-12-01

    Full Text Available Se presenta una perspectiva de comparación entre los métodos cualitativos y cuantitativos tradicionales de la investigación y las potencialidades del nuevo paradigma del modelamiento y simulación para la investigación en ciencias sociales, sus diferentes métodos y herramientas. Se revisan los criterios de la simulación dinámica, de los autómatas celulares y los agentes y se esbozan las concepciones provenientes de la inteligencia artificial como la vida artificial, las sociedades artificiales y la cultura artificial, que conducen hacia una ciencia social computacional explicativa. El estudio se centra en el Modelamiento y Simulación Basado en Agentes (ABMS, como el dispositivo por excelencia que permite la comprensión y explicación de los fenómenos sociales, su emergencia, evolución y adaptación más que la predicción típica de los demás tipos de simulación. La metodología de los modelos ABMS se posiciona como laboratorio para modificar las condiciones de simulación de los fenómenos reales, y permite construir sociedades artificiales en donde es posible realizar experimentos impedidos por la moral, la ética y/o los costos en la vida real

  18. Interacting agents in finance

    NARCIS (Netherlands)

    Hommes, C.; Durlauf, S.N.; Blume, L.E.

    2008-01-01

    Interacting agents in finance represent a behavioural, agent-based approach in which financial markets are viewed as complex adaptive systems consisting of many boundedly rational agents interacting through simple heterogeneous investment strategies, constantly adapting their behaviour in response

  19. Riot Control Agents

    Science.gov (United States)

    ... Submit What's this? Submit Button Facts About Riot Control Agents Interim document Recommend on Facebook Tweet Share Compartir What riot control agents are Riot control agents (sometimes referred to ...

  20. Agentes globais e esfera local: o pólo automobilístico de Gravataí Global agents and the local level: the Gravataí automotive complex

    Directory of Open Access Journals (Sweden)

    Sandro Ruduit Garcia

    2010-04-01

    Full Text Available O artigo tenta discutir aspectos das relações global-local, focalizando o processo de formação e desenvolvimento do pólo automobilístico de Gravataí e suas implicações sociais no âmbito das relações de trabalho e emprego em empresas locais. Ao reconhecer a recente formação do sistema global, supõe-se que a presença de agentes globais em contextos locais tenderia a criar novas dinâmicas sociais que dependeriam de articulações específicas entre conjunturas econômico-institucionais, níveis e tipos de recursos econômicos e sociais disponíveis, e estratégias mobilizadas pelos agentes sociais. Os agentes globais imporiam novas referências competitivas e tecnológicas aos agentes locais, que se achariam, com frequência, despreparados para acompanhar tais exigências. Por outro lado, poderiam ser criadas, com diferentes configurações, chances de acesso a capitais, mercados, tecnologias e conhecimentos, estimulando mudanças nas relações de trabalho e emprego na esfera local. A assimetria nas relações de poder econômico não impediria a reação dos agentes locais, nas possibilidades de seus recursos e nos horizontes de seus valores, às novas regras e condições do sistema internacional. A relação global-local teria, portanto, implicações distintas entre os agentes sociais.This article discusses aspects of the global-local relations, focusing on the process of formation and development of the Gravataí automotive complex and its social implications as related to the labor relations and employment in local companies. In accordance with the recent formation of the global system, it is assumed that the presence of global agents in local contexts creates new social dynamics that depend on specific arrangements between economic and institutional circumstances, levels and types of available social and economic resources, and strategies mobilized by social agents. The global agents would impose new competitive and

  1. Social preferences and strategic uncertainty

    DEFF Research Database (Denmark)

    Cabrales, Antonio; Miniaci, Raffaele; Piovesan, Marco

    2010-01-01

    This paper reports a three-phase experiment on a stylized labor market. In the first two phases, agents face simple games, which we use to estimate subjects' social and reciprocity concerns. In the last phase, four principals compete by offering agents a contract from a fixed menu. Then, agents......) agents display a marked propensity to work for principals with similar distributional concerns....

  2. Colagem de vinho branco - Comportamento de vários agentes clarificadores The behavior of different fining agents in white wine clarification

    Directory of Open Access Journals (Sweden)

    Odette Zardetto de Toledo

    1962-01-01

    Full Text Available Foi estudado o comportamento de diversos agentes clarificadores na cologem de vinhos brancos procedentes de variedades de uvas diversas, de três regiões vinícolas diferentes dos Estados de São Paulo e de Minas Gerais. Observou-se que tais agentes comportaram-se de maneira diferente de acôrdo com o vinho a ser clarificado. Para os vinhos brancos testados, verificou-se que a bentonita foi o melhor clarificodor. As observações concordam com resultados obtidos por outros pesquisadores para diferentes vinhos.A laboratory trial was carried out to determine the behavior of different fining agents in samples of white wine obtained from various grape varieties. These tested wines were produced in two regions of the State of São Paulo and one of Minas Gerais. It was observed that these fining agents behaved differently according to the type of wine to be cleared. In our experimental trials bentonita was the best fining agent. These observations agree with those obtoined by others authors in other parts of the world. As a general procedure it is advisable to conduct small-scale fining tests in the laboratory before attempting to clarify the bulk volume of wine in the winery, to determine the efficiency of the fining agent, its effect on the wine, and the quantity necessary to clarify.

  3. Bridging humans via agent networks

    International Nuclear Information System (INIS)

    Ishida, Toru

    1994-01-01

    Recent drastic advance in telecommunication networks enabled the human organization of new class, teleorganization, which differ from any existing organization in that the organization which is easy to create by using telecommunication networks is virtual and remote, that people can join multiple organizations simultaneously, and that the organization can involve people who may not know each other. In order to enjoy the recent advance in telecommunication, the agent networks to help people organize themselves are needed. In this paper, an architecture of agent networks, in which each agent learns the preference or the utility functioin of the owner, and acts on behalf of the owner in maintaining the organization, is proposed. When an agent networks supports a human organization, the conventional human interface is divided into personal and social interfaces. The functionalities of the social interface in teleconferencing and telelearning were investigated. In both cases, the existence of B-ISDN is assumed, and the extension to the business meeting scheduling using personal handy phone (PHS) networks with personal digital assistant (PDA) terminals is expected. These circumstances are described. Mutual selection protocols (MSP) and their dynamic properties are explained. (K.I.)

  4. Reasoning about emotional agents

    OpenAIRE

    Meyer, J.-J.

    2004-01-01

    In this paper we discuss the role of emotions in artificial agent design, and the use of logic in reasoning about the emotional or affective states an agent can reside in. We do so by extending the KARO framework for reasoning about rational agents appropriately. In particular we formalize in this framework how emotions are related to the action monitoring capabilities of an agent.

  5. Phenomenology & Sociality

    DEFF Research Database (Denmark)

    Gahrn-Andersen, Rasmus; Cowley, Stephen

    2017-01-01

    Although cognitive science has recently asked how human sociality is constituted, there is no clear and consistent account of the emergence of human style social agency. Previously, we have critiqued views based on 'participatory sense-making' by arguing that agency requires a distinctive kind...... of phenomenology that enables a diachronic social experience. In advancing the positive argument, we link developmental psychology to phenomenological insights by focusing on child-caregiver dynamics around the middle of the second year. Having developed very basic social skills, an infant comes to feel normative....... Developmental events thus transform the child's experience and drive the emergence of social agency. Once the child has successfully dealt with the environment’s normative perturbations she is able to develop the skills of a fully-fledged human social agent....

  6. Avaliação da resistência da pele de tilápia do Nilo (Oreochrmis niloticus nos sentidos longitudinal, transversal e diagonal, depois de submetida ao curtimento com sais de cromo e recurtimento com diferentes agentes curtentes = Evaluation of resistance of the Nile tilapia (Oreochromis niloticus skin in longitudinal, transversal and diagonal position after tanning with chromium salts and retanning with different tanning substances

    Directory of Open Access Journals (Sweden)

    Maria Luiza Rodrigues de Souza

    2006-07-01

    Full Text Available O objetivo do trabalho foi avaliar a resistência da pele da Tilápia do Nilo (Oreochromis niloticus no sentido longitudinal, transversal e diagonal, depois de curtida com sais de cromo e recurtida por diferentes técnicas de recurtimento. As peles foram distribuídas em delineamento inteiramente casualizado, em fatorial 3x3, sendo 3 técnicas de recurtimento (T1 = com 4% de sais de cromo; T2 = 6% com taninos vegetais e T3 = com 6% de taninos sintéticos e 3 posições de retirada dos corpos-de-prova (P1 = longitudinal; P2 = transversal e P3 = diagonal, com 6 repetições por tratamento, em triplicata. O couro foi considerado a unidade experimental. Para os testes dedeterminação da resistência à tração, ao alongamento e ao rasgamento progressivo, foi utilizado o dinamômetro EMIC. A espessura dos couros variou de 1,00 a 1,20 mm, não diferindo entre as técnicas de recurtimento. Não houve diferença significativa para tração quanto às técnicas de recurtimento, porém, quanto à posição de retirada dos corpos-de-prova, foi significativamente maior para transversal (11,92 N/mm2. A técnica de recurtimento e a posição não influenciaram norasgamento progressivo (variou de 24,47 a 29,12 N/mm. O couro na posição transversal apresentou maior alongamento independentemente da técnica aplicada, não diferindo apenas na técnica T2 para a posição longitudinal. A pele recurtida com sais de cromo e no sentido transversal apresentou maior resistência à tração e ao alongamento. O recurtimento e a posição não interferiram no rasgamento progressivo.The objective of this experiment was to evaluate the resistance of the Nile tilapia (Oreochromis niloticus skin in longitudinal, transversal and diagonal sections after tanning with chromium salts and re-tanning with different tanning substances. Skins were distributed in a totally randomized design, 3 by 3, with three re-tanning techniques (T1 = with 4% chromium salts; T2 = 6% vegetal

  7. Preparing Students for Future Learning with Teachable Agents

    Science.gov (United States)

    Chin, Doris B.; Dohmen, Ilsa M.; Cheng, Britte H.; Oppezzo, Marily A.; Chase, Catherine C.; Schwartz, Daniel L.

    2010-01-01

    One valuable goal of instructional technologies in K-12 education is to prepare students for future learning. Two classroom studies examined whether Teachable Agents (TA) achieves this goal. TA is an instructional technology that draws on the social metaphor of teaching a computer agent to help students learn. Students teach their agent by…

  8. Planteamientos y dimensiones prácticas sobre la formación de educadores y agentes dinamizadores de movimientos sociales desde la perspectiva de Millán Santos

    Directory of Open Access Journals (Sweden)

    Raúl de Prado Núñez

    2004-01-01

    Full Text Available La perspectiva de Millán Santos sobre la formación de estos agentes dinamizadores de la educación y la cultura, estaba inspirada en Paulo Freire por lo que era rompedora y aportaba algunos rasgos peculiares de su personalidad y experiencia particular. El proceso de proyectar la pedagogía de Freire a la realidad educativa de Valladolid fue muy meditado, debatido y trabajado para responder a una coherencia teórica y práctica en los ámbitos político, social y educativo. En este proceso no sólo se profundizó en conceptos como los de concienciación, utopía, creación, o cultura popular; sino que se ha desarrollado una acción política frente al poder institucional y sus responsabilidades sobre la educación y la cultura para todos los ciudadanos y ciudadanas. Su imagen del buen educador o de la buena educadora se puede sintetizar en la expresión: «maestros especiales», que se alcanzaba cuando se lograba mirar el mundo y la realidad con los ojos nuevos que hacen posible profundizar en el caudal de la cultura popular.

  9. The institutional stance in agent-based simulations

    NARCIS (Netherlands)

    Sileno, G.; Boer, A.; van Engers, T.; Filipe, J.; Fred, A.L.N.

    2013-01-01

    This paper presents a multi-agent framework intended to animate scenarios of compliance and non-compliance in a normative system. With the purpose of describing social human behaviour, we choose to reduce social complexity by creating models of the involved agents starting from stories, and

  10. Comportamento da beterraba minimamente processada em diferentes espessuras de corte

    OpenAIRE

    Vitti Maria Carolina D.; Kluge Ricardo Alfredo; Yamamotto Liane K.; Jacomino Angelo Pedro

    2003-01-01

    Avaliou-se a qualidade de beterraba minimamente processada com diferentes espessuras de corte. As raízes foram processadas nas espessuras de 2; 5 e 8 mm. Após o preparo, foram acondicionadas em bandejas de poliestireno expandido e armazenadas a 5°C durante 10 dias. O delineamento experimental foi inteiramente casualizado em esquema fatorial (3x4). A cada 2 dias foram avaliados o teor de sólidos solúveis totais, a perda de massa, a coloração, a aparência, os teores de betacianina e de betaxant...

  11. Chemical warfare agents.

    Science.gov (United States)

    Kuca, Kamil; Pohanka, Miroslav

    2010-01-01

    Chemical warfare agents are compounds of different chemical structures. Simple molecules such as chlorine as well as complex structures such as ricin belong to this group. Nerve agents, vesicants, incapacitating agents, blood agents, lung-damaging agents, riot-control agents and several toxins are among chemical warfare agents. Although the use of these compounds is strictly prohibited, the possible misuse by terrorist groups is a reality nowadays. Owing to this fact, knowledge of the basic properties of these substances is of a high importance. This chapter briefly introduces the separate groups of chemical warfare agents together with their members and the potential therapy that should be applied in case someone is intoxicated by these agents.

  12. Teachers as Agents of Social Change

    Science.gov (United States)

    Bourn, Douglas

    2016-01-01

    Teachers are seen as key actors of change within programmes and projects on global learning. But all too often they are regarded in an instrumental way or as promoters of some form of ideal global teacher. Evidence from the UK and elsewhere suggests that if a pedagogical approach is taken to the role of teachers within the process of learning,…

  13. BIO Logical Agents: Norms, Beliefs, Intentions in Defeasible Logic

    OpenAIRE

    Governatori, Guido; Rotolo, Antonino

    2007-01-01

    In this paper we follow the BOID (Belief, Obligation, Intention, Desire) architecture to describe agents and agent types in Defeasible Logic. We argue, in particular, that the introduction of obligations can provide a new reading of the concepts of intention and intentionality. Then we examine the notion of social agent (i.e., an agent where obligations prevail over intentions) and discuss some computational and philosophical issues related to it. We show th...

  14. Mercadeo social y desarrollo

    OpenAIRE

    Luis E. Eladio Proaño

    2015-01-01

    Afirma el autor que todos los proyectos de desarrollo fracasan porque no tienen en cuenta la cooperación de las organizaciones comunitarias. Lograr el apoyo de la población a través de su activa participación en los planes de desarrollo,la ejecución y control de los diferentes programas es uno de los propósitos del "nuevo mercadeo social".

  15. Agents That Negotiate Proficiently with People

    Science.gov (United States)

    Kraus, Sarit

    Negotiation is a process by which interested parties confer with the aim of reaching agreements. The dissemination of technologies such as the Internet has created opportunities for computer agents to negotiate with people, despite being distributed geographically and in time. The inclusion of people presents novel problems for the design of autonomous agent negotiation strategies. People do not adhere to the optimal, monolithic strategies that can be derived analytically, as is the case in settings comprising computer agents alone. Their negotiation behavior is affected by a multitude of social and psychological factors, such as social attributes that influence negotiation deals (e.g., social welfare, inequity aversion) and traits of individual negotiators (e.g., altruism, trustworthiness, helpfulness). Furthermore, culture plays an important role in their decision making and people of varying cultures differ in the way they make offers and fulfill their commitments in negotiation.

  16. Radiopharmaceutical scanning agents

    International Nuclear Information System (INIS)

    1976-01-01

    This invention is directed to dispersions useful in preparing radiopharmaceutical scanning agents, to technetium labelled dispersions, to methods for preparing such dispersions and to their use as scanning agents

  17. Taskable Reactive Agent Communities

    National Research Council Canada - National Science Library

    Myers, Karen

    2002-01-01

    The focus of Taskable Reactive Agent Communities (TRAC) project was to develop mixed-initiative technology to enable humans to supervise and manage teams of agents as they perform tasks in dynamic environments...

  18. Agent-based modeling and network dynamics

    CERN Document Server

    Namatame, Akira

    2016-01-01

    The book integrates agent-based modeling and network science. It is divided into three parts, namely, foundations, primary dynamics on and of social networks, and applications. The book begins with the network origin of agent-based models, known as cellular automata, and introduce a number of classic models, such as Schelling’s segregation model and Axelrod’s spatial game. The essence of the foundation part is the network-based agent-based models in which agents follow network-based decision rules. Under the influence of the substantial progress in network science in late 1990s, these models have been extended from using lattices into using small-world networks, scale-free networks, etc. The book also shows that the modern network science mainly driven by game-theorists and sociophysicists has inspired agent-based social scientists to develop alternative formation algorithms, known as agent-based social networks. The book reviews a number of pioneering and representative models in this family. Upon the gi...

  19. Users, Bystanders and Agents

    DEFF Research Database (Denmark)

    Krummheuer, Antonia Lina

    2015-01-01

    Human-agent interaction (HAI), especially in the field of embodied conversational agents (ECA), is mainly construed as dyadic communication between a human user and a virtual agent. This is despite the fact that many application scenarios for future ECAs involve the presence of others. This paper...

  20. Asymptotically Optimal Agents

    OpenAIRE

    Lattimore, Tor; Hutter, Marcus

    2011-01-01

    Artificial general intelligence aims to create agents capable of learning to solve arbitrary interesting problems. We define two versions of asymptotic optimality and prove that no agent can satisfy the strong version while in some cases, depending on discounting, there does exist a non-computable weak asymptotically optimal agent.

  1. Reasoning about emotional agents

    NARCIS (Netherlands)

    Meyer, J.-J.

    In this paper we discuss the role of emotions in artificial agent design, and the use of logic in reasoning about the emotional or affective states an agent can reside in. We do so by extending the KARO framework for reasoning about rational agents appropriately. In particular we formalize in

  2. Habilidades sociais de crianças com diferentes necessidades educacionais especiais: Avaliação e implicações para intervenção

    OpenAIRE

    Cordeiro Freitas, Lucas; Pereira Del Prette, Zilda Aparecida

    2013-01-01

    En este estudio se caracterizaron las diferencias y similitudes en el repertorio de habilidades sociales de los niños, con base en doce diferentes categorías de necesidades educativas especiales: autismo, dificultades de aprendizaje, discapacidad auditiva, discapacidad intelectual leve, discapacidad intelectual moderada, discapacidad visual, problemas de conducta exteriorizados, problemas de conducta internalizados, problemas de conducta internalizados y exteriorizados, superdotación y talent...

  3. de diferentes proporciones de leche de vaca y cabra

    Directory of Open Access Journals (Sweden)

    Wendy Natalia Rojas-Castro

    2007-01-01

    Full Text Available Características del yogurt batido de fresa derivadas de diferentes proporciones de leche de vaca y cabra. Durante 2004, en San José, se evaluó el efecto de diferentes proporciones de leche de cabra (c y leche de vaca (v (0%c/100%v, 30%c/70%v, 50%c/50%v, 70%c/30%v y 100%c/0%v, sobre el pH, la viscosidad y la sinéresis de un yogurt batido de fresa, durante los días 1, 7, 14 y 21 de almacenamiento en refrigeración a 4-5°C. El pH disminuyó en almacenamiento acentuadamente en los primeros siete días eindistintamente para todas formulaciones (p≤0,05 des de ámbitos iniciales de 4,35-4,40 hasta 4,25-4,30. Durante los primeros siete días aumentó la viscosidad de todas las muestras, para posteriormente descender hasta el día 21. Las muestras con 100% leche de cabra presentaron menorviscosidad (p≤0,05 (me dia = 11277 cp que las elabo radas con 100% leche de vaca (me dia = 19979 cp. La sinéresis para todas las muestras descendió con el tiempo. La muestra de mayor sinéresis durante todo el periodo fue la de 100% leche de vaca (me dia = 9,4%, mientras la de menor fue la de 100% cabra (me dia = 2,1%. Para la sinéresis se encontró una interacción significativa (p≤0,05 entre el día de almacenamiento y el tipo de leche, con cluyéndose que la sinéresis disminuyó con el tiempo y conforme aumentó el contenido de leche de vaca. Se evaluó con 105 jueces el efecto de diferentes formulaciones (30%c/70%v, 50%c/50%v, 70%c/30%v y 100%c/0%v, sobre el agrado general así como la aceptación del color y textura. La formulación de mayor agrado global (p≤0,05 fue la de 30% leche de cabra, que en promedio alcanzó un valor de 8,1 en una escala hedónica híbrida 10 cm.

  4. Radiographic scanning agent

    International Nuclear Information System (INIS)

    Bevan, J.A.

    1983-01-01

    This invention relates to radiodiagnostic agents and more particularly to a composition and method for preparing a highly effective technetium-99m-based bone scanning agent. One deficiency of x-ray examination is the inability of that technique to detect skeletal metastases in their incipient stages. It has been discovered that the methanehydroxydiphosphonate bone mineral-seeking agent is unique in that it provides the dual benefits of sharp radiographic imaging and excellent lesion detection when used with technetium-99m. This agent can also be used with technetium-99m for detecting soft tissue calcification in the manner of the inorganic phosphate radiodiagnostic agents

  5. Agente adaptable y aprendizaje

    Directory of Open Access Journals (Sweden)

    Arturo Angel Lara Rivero

    2013-05-01

    Full Text Available En este trabajo se contrasta el concepto de agente programado con el de agente complejo adaptable, se presenta una nueva visión ligada al aprendizaje y la estructura del agente. La imagen del agente se analiza considerando los modelos internos, la práctica, el concepto de rutina y la influencia en su comportamiento, y la importancia del aprendizaje ex ante y ex post. Por último se muestra que la resolución de problemas está sujeta a restricciones del agente y se describen las formas de explorar el espacio de soluciones mediante tres tipos de exploración: exhaustiva, aleatoria y selectiva.

  6. Respuesta de Esquejes de Crisantemo a Diferentes Hormonas Enraizadoras

    Directory of Open Access Journals (Sweden)

    Hernandez Muñoz Amparo

    1978-09-01

    Full Text Available El presente ensayo fue realizado en la plantación comercial "Flores del Caribe", localizada en el municipio de Rionegro, Vereda Llano Grande en el oriente antioqueño. La explotación está localizada en la formación vegetal Bosque Húmedo Montano Bajo, a una altura de 2500 metros sobre el nivel del mar, a una temperatura media de 16°C y con una precipitación de 1400mm. En algunas plantaciones se han presentado dificultades en los bancos de enraizamiento por desuniformidad en la emisión radical. El objetivo de este ensayo fue probar diferentes sustancias hormonales catalogadas como enraizadores, para conocer hasta qué grado puede ser obvia la dificultad antes descrita.

  7. Dynamics of three-agent games

    International Nuclear Information System (INIS)

    Mungan, Muhittin; Rador, Tonguc

    2008-01-01

    We study the dynamics and resulting score distribution of three-agent games where after each competition a single agent wins and scores a point. A single competition is described by a triplet of numbers p, t and q denoting the probabilities that the team with the highest, middle or lowest accumulated score wins. The three-agent game can be regarded as a social model where a player can be favored or disfavored for advancement, based on his/her accumulated score. We study the full family of solutions in the regime, where the number of agents and competitions is large, which can be regarded as a hydrodynamic limit. Depending on the parameter values (p, q, t), we find six qualitatively different asymptotic score distributions and we provide a qualitative explanation of these results. We also compare our analytical results against numerical simulations of the microscopic model and find these to be in excellent agreement. It is possible to decide the outcome of a three-agent game through a mini-tournament of two-agent competitions among the participating players and it turns out that the resulting possible score distributions are a subset of those obtained for the general three-agent games. We discuss how one can add a steady and democratic decline rate to the model and present a simple geometric construction that allows one to obtain the score evolution equations for n-agent games

  8. Dynamics of three-agent games

    Science.gov (United States)

    Mungan, Muhittin; Rador, Tonguç

    2008-02-01

    We study the dynamics and resulting score distribution of three-agent games where after each competition a single agent wins and scores a point. A single competition is described by a triplet of numbers p, t and q denoting the probabilities that the team with the highest, middle or lowest accumulated score wins. The three-agent game can be regarded as a social model where a player can be favored or disfavored for advancement, based on his/her accumulated score. We study the full family of solutions in the regime, where the number of agents and competitions is large, which can be regarded as a hydrodynamic limit. Depending on the parameter values (p, q, t), we find six qualitatively different asymptotic score distributions and we provide a qualitative explanation of these results. We also compare our analytical results against numerical simulations of the microscopic model and find these to be in excellent agreement. It is possible to decide the outcome of a three-agent game through a mini-tournament of two-agent competitions among the participating players and it turns out that the resulting possible score distributions are a subset of those obtained for the general three-agent games. We discuss how one can add a steady and democratic decline rate to the model and present a simple geometric construction that allows one to obtain the score evolution equations for n-agent games.

  9. Formas de hierro y aluminio en suelos con diferentes usos en la zona norte del departamento del Magdalena, Colombia

    Directory of Open Access Journals (Sweden)

    José Rafael Vásquez Polo

    2014-12-01

    Full Text Available En el estudio se evaluaron las diferentes formas de hierro (Fe y aluminio (Al presentes en suelos cultivados y en áreas de bosque de la zona norte del departamento del Magdalena (Colombia. Se seleccionaron seis zonas de muestreo localizadas entre 0 y 1000 m.s.n.m. Se utilizaron tres técnicas selectivas de extracción de Fe y Al con los agentes extractantes: pirofosfato de sodio, oxalato ácido de amonio, y ditionito citrato bicarbonato. Los contenidos totales de Fe y Al fueron determinados mediante un ataque ácido y cuantificación por absorción atómica. El análisis de varianza multivariado mostró diferencias significativas (P 3% del Al total, lo que sugiere que un alto contenido de Al forma parte de estructuras cristalinas.

  10. Moral actor, selfish agent.

    Science.gov (United States)

    Frimer, Jeremy A; Schaefer, Nicola K; Oakes, Harrison

    2014-05-01

    People are motivated to behave selfishly while appearing moral. This tension gives rise to 2 divergently motivated selves. The actor-the watched self-tends to be moral; the agent-the self as executor-tends to be selfish. Three studies present direct evidence of the actor's and agent's distinct motives. To recruit the self-as-actor, we asked people to rate the importance of various goals. To recruit the self-as-agent, we asked people to describe their goals verbally. In Study 1, actors claimed their goals were equally about helping the self and others (viz., moral); agents claimed their goals were primarily about helping the self (viz., selfish). This disparity was evident in both individualist and collectivist cultures, attesting to the universality of the selfish agent. Study 2 compared actors' and agents' motives to those of people role-playing highly prosocial or selfish exemplars. In content (Study 2a) and in the impressions they made on an outside observer (Study 2b), actors' motives were similar to those of the prosocial role-players, whereas agents' motives were similar to those of the selfish role-players. Study 3 accounted for the difference between the actor and agent: Participants claimed that their agent's motives were the more realistic and that their actor's motives were the more idealistic. The selfish agent/moral actor duality may account for why implicit and explicit measures of the same construct diverge, and why feeling watched brings out the better angels of human nature.

  11. Quantifying social asymmetric structures.

    Science.gov (United States)

    Solanas, Antonio; Salafranca, Lluís; Riba, Carles; Sierra, Vicenta; Leiva, David

    2006-08-01

    Many social phenomena involve a set of dyadic relations among agents whose actions may be dependent. Although individualistic approaches have frequently been applied to analyze social processes, these are not generally concerned with dyadic relations, nor do they deal with dependency. This article describes a mathematical procedure for analyzing dyadic interactions in a social system. The proposed method consists mainly of decomposing asymmetric data into their symmetric and skew-symmetric parts. A quantification of skew symmetry for a social system can be obtained by dividing the norm of the skew-symmetric matrix by the norm of the asymmetric matrix. This calculation makes available to researchers a quantity related to the amount of dyadic reciprocity. With regard to agents, the procedure enables researchers to identify those whose behavior is asymmetric with respect to all agents. It is also possible to derive symmetric measurements among agents and to use multivariate statistical techniques.

  12. Stabilized radiographic scanning agents

    International Nuclear Information System (INIS)

    Fawzi, M.B.

    1982-01-01

    Stable compositions useful as technetium 99m-based scintigraphic agents comprise gentisic acid or a pharmaceutically-acceptable salt or ester thereof in combination with a pertechnetate reducing agent or dissolved in pertechnetate-99m (sup(99m)TcOsub(4)sup(-)) solution. The compositions are especially useful in combination with a phosphate or phosphonate material that carries the radionuclide to bone, thus providing a skeletal imaging agent

  13. Social Preferences and Strategic Uncertainty

    DEFF Research Database (Denmark)

    Cabrales, Antonio; Miniaci, Raffaele; Piovesan, Marco

    This paper reports experimental evidence on a stylized labor market. The experiment is designed as a sequence of three phases. In the first two phases, P1 and P2; agents face simple games, which we use to estimate subjects' social and reciprocity concerns, together with their beliefs. In the last......, for both principals and agents. Finally, we also see that social preferences explain, to a large extent, matching between principals and agents, since agents display a marked propensity to work for principals with similar social preferences...

  14. Computational social dynamic modeling of group recruitment.

    Energy Technology Data Exchange (ETDEWEB)

    Berry, Nina M.; Lee, Marinna; Pickett, Marc; Turnley, Jessica Glicken (Sandia National Laboratories, Albuquerque, NM); Smrcka, Julianne D. (Sandia National Laboratories, Albuquerque, NM); Ko, Teresa H.; Moy, Timothy David (Sandia National Laboratories, Albuquerque, NM); Wu, Benjamin C.

    2004-01-01

    The Seldon software toolkit combines concepts from agent-based modeling and social science to create a computationally social dynamic model for group recruitment. The underlying recruitment model is based on a unique three-level hybrid agent-based architecture that contains simple agents (level one), abstract agents (level two), and cognitive agents (level three). This uniqueness of this architecture begins with abstract agents that permit the model to include social concepts (gang) or institutional concepts (school) into a typical software simulation environment. The future addition of cognitive agents to the recruitment model will provide a unique entity that does not exist in any agent-based modeling toolkits to date. We use social networks to provide an integrated mesh within and between the different levels. This Java based toolkit is used to analyze different social concepts based on initialization input from the user. The input alters a set of parameters used to influence the values associated with the simple agents, abstract agents, and the interactions (simple agent-simple agent or simple agent-abstract agent) between these entities. The results of phase-1 Seldon toolkit provide insight into how certain social concepts apply to different scenario development for inner city gang recruitment.

  15. Teamwork in Multi-Agent Systems A Formal Approach

    CERN Document Server

    Dunin-Keplicz, Barbara Maria

    2010-01-01

    What makes teamwork tick?. Cooperation matters, in daily life and in complex applications. After all, many tasks need more than a single agent to be effectively performed. Therefore, teamwork rules!. Teams are social groups of agents dedicated to the fulfilment of particular persistent tasks. In modern multiagent environments, heterogeneous teams often consist of autonomous software agents, various types of robots and human beings. Teamwork in Multi-agent Systems: A Formal Approach explains teamwork rules in terms of agents' attitudes and their complex interplay. It provides the first comprehe

  16. Contrast agents for MRI

    International Nuclear Information System (INIS)

    Bonnemain, B.

    1994-01-01

    Contrast agents MRI (Magnetic Resonance Imaging) have been developed to improve the diagnostic information obtained by this technic. They mainly interact on T1 and T2 parameters and increase consequently normal to abnormal tissues contrast. The paramagnetic agents which mainly act on longitudinal relaxation rate (T1) are gadolinium complexes for which stability is the main parameter to avoid any release of free gadolinium. The superparamagnetic agents that decrease signal intensity by an effect on transversal relaxation rate (T2) are developed for liver, digestive and lymph node imaging. Many area of research are now opened for optimal use of present and future contrast agents in MRI. (author). 28 refs., 4 tabs

  17. Decontamination Data - Blister Agents

    Data.gov (United States)

    U.S. Environmental Protection Agency — Decontamination efficacy data for blister agents on various building materials using various decontamination solutions. This dataset is associated with the following...

  18. Os diferentes contratos de trabalho entre trabalhadores qualificados brasileiros.

    Directory of Open Access Journals (Sweden)

    Marcia Carvalho de Azevedo

    2014-06-01

    Full Text Available Ao longo das últimas décadas, as relações de trabalho têm se modificado de forma contínua na direção de contratos mais flexíveis vis-à-vis relações de trabalho mais estáveis e de longo prazo. Essas transformações também têm atingido o mercado de trabalho brasileiro, ainda que este tenha características distintas das economias mais desenvolvidas. No Brasil, as relações de trabalho sempre tiveram um forte componente de flexibilidade, uma vez que o emprego formal e o informal são igualmente importantes na economia do país. Apesar da informalidade presente no cenário brasileiro, trabalhadores qualificados brasileiros mantiveram vínculos de trabalho estáveis, com contratos CLT, ao longo da segunda metade do século passado. Entretanto, esse panorama tem sido modificado nas últimas décadas. Apesar da constatação dessas mudanças no mercado de trabalho, pesquisas que investigam a disseminação de diferentes tipos de contrato de trabalho no mercado brasileiro são escassas. Dados referentes a profissionais qualificados são ainda mais raros. Tendo esse cenário como pano de fundo, esta pesquisa tem como objetivo identificar os diferentes tipos de contrato de trabalho existentes entre trabalhadores qualificados no Brasil. Para isso, discute os resultados de uma pesquisa empírica e apresenta, com base na literatura e nos dados de 47 entrevistas com trabalhadores, 15 tipos de contrato de trabalho que se distinguem do padrão CLT. Os resultados mostram que, dada essa diversidade, as relações flexíveis de trabalho não podem ser tratadas como um processo homogêneo. Os dados também retratam uma realidade preocupante. Podemos dizer que existe um descompasso dentro do contexto brasileiro entre as relações de trabalho atuais e o ambiente no qual elas estão inseridas. A sociedade brasileira e a legislação trabalhista estão estruturadas com base nas relações de trabalho formais. As organizações muitas vezes não sabem

  19. Agent-based simulation in entrepreneurship research

    NARCIS (Netherlands)

    Yang, S.-J.S.; Chandra, Y.

    2009-01-01

    Agent-based modeling (ABM) has wide applications in natural and social sciences yet it has not been widely applied in entrepreneurship research. We discuss the nature of ABM, its position among conventional methodologies and then offer a roadmap for developing, testing and extending theories of

  20. Agent-based simulation of animal behaviour

    NARCIS (Netherlands)

    C.M. Jonker (Catholijn); J. Treur

    1998-01-01

    textabstract In this paper it is shown how animal behaviour can be simulated in an agent-based manner. Different models are shown for different types of behaviour, varying from purely reactive behaviour to pro-active, social and adaptive behaviour. The compositional development method for

  1. Riscos cardiovasculares em adolescentes com diferentes graus de obesidade

    Directory of Open Access Journals (Sweden)

    Maria Silvia Ferrari Lavrador

    2011-03-01

    Full Text Available FUNDAMENTO: Há poucos estudos sobre riscos cardiovasculares em adolescentes com diferentes graus de obesidade. OBJETIVO: Avaliar repercussões metabólicas associadas a diferentes graus de obesidade em adolescentes e seu impacto nos riscos cardiovasculares. MÉTODOS: Estudo transversal com 80 adolescentes obesos, divididos em dois grupos: 22,5, denominados obesos com menor e maior grau de obesidade, respectivamente. Foram realizados exame físico e avaliação bioquímica e de composição corporal. Para a análise estatística, foram aplicados os testes t-Student e qui-quadrado, com a finalidade de comparar os dois grupos. Modelo logístico múltiplo foi utilizado para verificar as associações entre variáveis bioquímicas e grau de obesidade. Foram desenvolvidos escores de risco para doença cardiovascular, de acordo com o número de alterações encontradas nas seguintes variáveis: glicemia de jejum, triglicérides, HDL e PA. Foram verificadas associações entre esses escores e o grau de obesidade. RESULTADOS: Os dois grupos diferiram em valores de peso, circunferência da cintura, glicemia e insulina de jejum, HOMA-IR, triglicérides, HDL, PA e medidas de composição corporal (p<0,05. Os adolescentes com maior grau de obesidade apresentaram maiores frequências de alterações para glicemia, HOMA-IR, triglicérides, HDL e pressão arterial (p<0,05. O modelo logístico mostrou associações entre o grau de obesidade e as variáveis: HDL (OR=5,43, PA (OR=4,29, TG (OR=3,12. O escore de risco demonstrou que 57,7% dos adolescentes com maiores graus de obesidade tinham duas ou mais alterações metabólicas para 16,7% do outro grupo (p<0,001. CONCLUSÃO: O grau da obesidade influenciou no aparecimento de alterações que compõem a síndrome metabólica, aumentando o risco cardiovascular.

  2. Towards Culturally-Aware Virtual Agent Systems

    DEFF Research Database (Denmark)

    Endrass, Birgit; André, Elisabeth; Rehm, Matthias

    2010-01-01

    Globalization leads to an increase in intercultural encounters with a risk of misunderstandings due to different patterns of behavior and understanding. Learning applications have been proposed that employ virtual agents as their primary tool. Through their embodiment, learning can be done...... in a game-like environment in a more interesting way than for example learning with a textbook. The authors support the idea that virtual agents are a great opportunity for teaching cultural awareness. Realizing this, the concept of culture needs to be translated into computational models and the advantages...... of different systems using virtual agents need to be considered. Therefore, the authors reflect in this chapter on how virtual agents can help to learn about culture, scan definitions of culture from the social sciences, give an overview on how multiagent systems developed over time and classify the state...

  3. Agent-based modeling of sustainable behaviors

    CERN Document Server

    Sánchez-Maroño, Noelia; Fontenla-Romero, Oscar; Polhill, J; Craig, Tony; Bajo, Javier; Corchado, Juan

    2017-01-01

    Using the O.D.D. (Overview, Design concepts, Detail) protocol, this title explores the role of agent-based modeling in predicting the feasibility of various approaches to sustainability. The chapters incorporated in this volume consist of real case studies to illustrate the utility of agent-based modeling and complexity theory in discovering a path to more efficient and sustainable lifestyles. The topics covered within include: households' attitudes toward recycling, designing decision trees for representing sustainable behaviors, negotiation-based parking allocation, auction-based traffic signal control, and others. This selection of papers will be of interest to social scientists who wish to learn more about agent-based modeling as well as experts in the field of agent-based modeling.

  4. Diferentes matizes da idéia de solidariedade Different notions of solidarity

    Directory of Open Access Journals (Sweden)

    Vera Herweg Westphal

    2008-06-01

    Full Text Available Este artigo analisa os diferentes sentidos do termo solidariedade, identificando que não há uma abundância em teorias sobre este mesmo, mas é tema na sociologia, na filosofia e na política. Resgata a origem do termo quando tinha o sentido de unidade e de auxílio ao próximo. Contextualiza o termo na modernidade, apresentando seu uso no solidarismo francês, na doutrina social da igreja e do movimento de classe dos trabalhadores e na adoção da solidariedade como princípio de Estado, quando fornece suporte à formulação de políticas sociais. Por fim, aborda o termo na economia solidária, constatando seu o uso na forma lingüística de adjetivo, além de sua apresentação com a conotação de algo a ser construído e vivido entre iguais, quais sejam, entre os excluídos de esfera econômica dominante. Reflete acerca do uso do termo na economia solidária, tendo em vista sua construção social e histórica.This article analyzes the different meanings of the term solidarity. There are not many theories about this theme, although it is debated in the fields of sociology, philosophy and political science. The paper looks at the origin of the term when it had the meaning of unity and assistance to others. The term is considered in the context of modernity, presenting its use in the French solidarity movement, in the social doctrine of the church, in the working class movement and in the adoption of solidarity as a Government principle that guides social policies. Finally, it considers the term of solidarity economics, and finds that the use of the linguistic form of the adjective, in addition to its presentation with the connotation of something to be built and lived among equals, whoever they are, and among those excluded from the dominant economic sphere. It reflects on the use of the term solidarity economics, considering its social and historic construction.

  5. OS DIREITOS HUMANOS SOB A ÓTICA DAS DIFERENTES TRADIÇÕES RELIGIOSAS

    Directory of Open Access Journals (Sweden)

    Giselle Marques de Araújo

    2011-07-01

    Full Text Available A doutrina contemporânea dos direitos humanos vem sendo construída a partir de consensos estabelecidos entre os países integrantes da Organização das Nações Unidas, que possibilitaram a Declaração Universal dos Direitos Humanos de 1948, aceito como mais importante documento em relação ao tema. Neste artigo, retratamos a análise de cientistas sociais que procuram verificar se existiria uma base comum entre esta doutrina e as diferentes tradições religiosas por eles professadas: islamismo, budismo, confucionismo e hinduísmo.Defendemos a idéia de que as identidades tradicionais precisam ser explicitadas e valorizadasno espaço público, onde a dimensão espiritual do ser humano merece ser contemplada. // The contemporary doctrine of human rights has been constructed from the consensus established among the member countries of the United Nations, which allowed the Universal Declaration of Human Rights 1948, accepted as the most important document in this regard. In this article we have depicted the analysis of social scientists who seek to verify whether there was common ground between this doctrine and the different religious traditions which they professed: Islam, Buddhism, Confucianism and Hinduism. We support the idea that identities need to be spelled traditional and valued in the public space, where the spiritual dimension of human being deserves to be considered.

  6. Change Agent Survival Guide

    Science.gov (United States)

    Dunbar, Folwell L.

    2011-01-01

    Consulting is a rough racket. Only a tarantula hair above IRS agents, meter maids and used car sales people, the profession is a prickly burr for slings and arrows. Throw in education, focus on dysfunctional schools and call oneself a "change agent," and this bad rap all but disappears. Unfortunately, though, consulting/coaching/mentoring in…

  7. Teaching Tourism Change Agents

    DEFF Research Database (Denmark)

    Stilling Blichfeldt, Bodil; Kvistgaard, Hans-Peter; Hird, John

    2017-01-01

    course that is part of a Tourism Master’s program, where a major challenge is not only to teach students about change and change agents, but to teach them how change feels and ho w to become change agents. The c hange management course contains an experiment inspired by experiential teaching literature...... change in tourism in the future....

  8. Travel Agent Course Outline.

    Science.gov (United States)

    British Columbia Dept. of Education, Victoria.

    Written for college entry-level travel agent training courses, this course outline can also be used for inservice training programs offered by travel agencies. The outline provides information on the work of a travel agent and gives clear statements on what learners must be able to do by the end of their training. Material is divided into eight…

  9. Radiographic scintiscanning agent

    International Nuclear Information System (INIS)

    Bevan, J.A.

    1979-01-01

    A new technetium-based scintiscanning agent has been prepared comprising a water soluble sup(99m)Tc-methanehydroxydiphosphonate in combination with a reducing agent selected from stannous, ferrous, chromous and titanous salts. As an additional stabilizer salts and esters of gentisic or ascorbic acids have been used. (E.G.)

  10. Radiographic scanning agent

    International Nuclear Information System (INIS)

    Tofe, A.J.

    1976-01-01

    A stable radiographic scanning agent on a sup(99m)Tc basis has been developed. The substance contains a pertechnetate reduction agent, tin(II)-chloride, chromium(II)-chloride, or iron(II)-sulphate, as well as an organospecific carrier and ascorbic acid or a pharmacologically admissible salt or ester of ascorbic acid. (VJ) [de

  11. Stable radiographic scanning agents

    International Nuclear Information System (INIS)

    1976-01-01

    Stable compositions which are useful in the preparation of Technetium-99m-based scintigraphic agents are discussed. They are comprised of ascorbic acid or a pharmaceutically acceptable salt or ester thereof in combination with a pertechnetate reducing agent or dissolved in oxidized pertechnetate-99m (sup(99m)TcO 4 - ) solution

  12. DESENVOLVIMENTO DE MUDAS DE REPOLHO EM DIFERENTES TIPOS SUBSTRATOS

    Directory of Open Access Journals (Sweden)

    Rebyson Bissaco Guidinelle

    2017-05-01

    Full Text Available Resumo: O objetivo deste trabalho foi avaliar o crescimento vegetativo de mudas de repolho, em diferentes tipos de substrato orgânicos. O experimento foi conduzido em uma casa de vegetação utilizando três substratos, S1 - Comercial; S2 - Vermicomposto; S3 - Serapilheira. Os parâmetros morfoagronômicos avaliados foram o comprimento das mudas, sendo: altura parte aérea (APA, comprimento da maior raiz (CMR e altura total das plântulas (AT que é o somatório da APA e CMR. Os substratos apresentaram diferenças significativas entre si, sendo que a Serapilheira apresentou os melhores resultados de desenvolvimento vegetativo juntamente com o vermicomposto. Concluindo-se que a produção de mudas de repolho pode ser feita a partir de substratos orgânicos alternativos, recomendando a substituição total dos substratos comerciais, visando menor custo na produção das mudas, garantindo boa produtividade e qualidade das mudas de repolho das cultivares estudadas.

  13. Comportamento da beterraba minimamente processada em diferentes espessuras de corte

    Directory of Open Access Journals (Sweden)

    Vitti Maria Carolina D.

    2003-01-01

    Full Text Available Avaliou-se a qualidade de beterraba minimamente processada com diferentes espessuras de corte. As raízes foram processadas nas espessuras de 2; 5 e 8 mm. Após o preparo, foram acondicionadas em bandejas de poliestireno expandido e armazenadas a 5°C durante 10 dias. O delineamento experimental foi inteiramente casualizado em esquema fatorial (3x4. A cada 2 dias foram avaliados o teor de sólidos solúveis totais, a perda de massa, a coloração, a aparência, os teores de betacianina e de betaxantina e a taxa respiratória. O teor de sólidos solúveis totais foi maior no corte de 8 mm, durante o período de armazenamento. Não houve diferença estatística entre os tratamentos em relação à coloração, à taxa respiratória e aos teores de betacianina e betaxantina. Pelos resultados obtidos, conclui-se que beterraba minimamente processada mantém boa qualidade para consumo por até 6 dias de armazenamento, independente do tipo de corte.

  14. 10th KES Conference on Agent and Multi-Agent Systems : Technologies and Applications

    CERN Document Server

    Chen-Burger, Yun-Heh; Howlett, Robert; Jain, Lakhmi

    2016-01-01

    The modern economy is driven by technologies and knowledge. Digital technologies can free, shift and multiply choices, often intruding on the space of other industries, by providing new ways of conducting business operations and creating values for customers and companies. The topics covered in this volume include software agents, multi-agent systems, agent modelling, mobile and cloud computing, big data analysis, business intelligence, artificial intelligence, social systems, computer embedded systems and nature inspired manufacturing, etc. that contribute to the modern Digital Economy. This volume highlights new trends and challenges in agent, new digital and knowledge economy research and includes 28 papers classified in the following specific topics: business process management, agent-based modeling and simulation, anthropic-oriented computing, learning paradigms, business informatics and gaming, digital economy, and advances in networked virtual enterprises. Published papers were selected for presentatio...

  15. EFEITO DE INTERMEDIÁRIOS DO CICLO DE KREBS SOBRE ALTERAÇÕES OXIDATIVAS INDUZIDAS POR DIFERENTES AGENTES OXIDANTES

    OpenAIRE

    Robson Luiz Puntel

    2006-01-01

    Dados recentes na literatura têm relatado que alguns intermediários do ciclo de Krebs podem agir como potentes antioxidantes, tanto in vitro, quanto in vivo, em diversos sistemas pró-oxidantes. Porém, o(s) mecanismo(s) através dos qual(is) os intermediários do ciclo de Krebs exercem suas atividades antioxidantes não são completamente entendidas. Considerando a escassez de dados in vitro na literatura a respeito do efeito desses intermediários durante situações de estresse oxidativo, o present...

  16. Resistencia al cizallamiento de una resina compuesta al aplicar diferentes agentes blanqueadores y su efecto sobre la microestructura del esmalte

    OpenAIRE

    Cornejo Peña, María Antonieta

    2014-01-01

    Muchos han sido los estudios que se han reportado acerca del efecto de sustancias aclaradoras sobre la adhesión y estructura del esmalte, sin embargo, poco se ha reportado sobre las alteraciones morfológicas de la estructura exterior del esmalte después del blanqueamiento. A pesar de la reducción de la microdureza del esmalte se ha informado que esta alteración no es sólo por el procedimiento de blanqueamiento, sino también por el pH de la fórmula utilizada. Algunos estudios no han encontrado...

  17. Hyperthermia and chemotherapy agent

    International Nuclear Information System (INIS)

    Roizin-Towle, L.; Hall, E.J.

    1981-01-01

    The use of chemotherapeutic agents for the treatment of cancer dates back to the late 19th century, but the modern era of chemotherapy drugs was ushered in during the 1940's with the development of the polyfunctional alkylating agent. Since then, numerous classes of drugs have evolved and the combined use of antineoplastic agents with other treatment modalities such as radiation or heat, remains a large relatively unexplored area. This approach, combining local hyperthermia with chemotherapy agents affords a measure of targeting and selective toxicity not previously available for drugs. In this paper, the effects of adriamycin, bleomycin and cis-platinum are examined. The adjuvant use of heat may also reverse the resistance of hypoxic cells noted for some chemotherapy agents

  18. PRESENTACIÓN. La formación del profesorado y la acción docente: diferentes miradas

    Directory of Open Access Journals (Sweden)

    Pablo PALOMERO FERNÁNDEZ

    2009-01-01

    Full Text Available La formación del profesorado constituye uno de los ejes prioritarios para garantizar la calidad de nuestro sistema educativo en sus diferentes niveles. Por un lado, los docentes vivimos en un clima de incertidumbre ante los constantes cambios metodológicos y organizativos a los que nos enfrentamos. Por otro lado, elementos como nuestro nuevo rol de mediadores en los procesos de enseñanza y aprendizaje o el énfasis en la funcionalidad y significatividad de los aprendizajes abren una puerta a la esperanza. Conviene, eso sí, que reflexionemos una vez más en torno al modelo de ciudadano que queremos potenciar. No se trata sólo de que formemos en competencias técnicas a nuestro alumnado, sino que también es necesaria una apuesta por la construcción social de valores como la autonomía, la responsabilidad o la cooperación a través de los procesos educativos. Esto exige que los docentes adquiramos nuevas competencias o perfeccionemos las existentes. Por todo ello, esta monografía ofrece al lector diferentes miradas que nos invitan a hacer una reflexión pausada en torno a cuestiones relacionadas con la formación del profesorado y sus competencias.

  19. Change Agents and Collective Experience- Making as Part of ...

    African Journals Online (AJOL)

    agents can enable and facilitate collective learning about climate change, as well as ... transcend such approaches through the development of longer-term social .... 'acquisition of mediated experiences in the learning rhythm of the immediate ...

  20. Iguales, pero diferentes: creencias sociales en la canalización cultural del desarrollo de gemelos

    Directory of Open Access Journals (Sweden)

    Alessandra Oliveira Machado

    2010-12-01

    Full Text Available El artículo analiza las teorías y creencias de la madre, abuela y profesora de gemelos monocigóticos sobre su desarrollo, considerando la perspectiva sociocultural constructivista. Seconstruyeron categorías a través de una análisis interpretativo-cualitativo de las entrevistas. Los resultados señalan que a las prácticas culturales y educativas en la escuela y la familia dependen de las creencias que tienen los adultos sobre la condición de gemelaridad; bdichas prácticas parecen tener un gran impacto sobre el desarrollo de las subjetividades de los gemelos; c existen divergencias en cuando a las creencias y expectativas de la familia y de la escuela en relación al comportamiento y desempeño de los niños; d existe una tensióndialógica entre promover una similitud en los procesos de individuación. -- This paper investigates ideas and expectations by the mother, grandfather and teacher ofmonozygotic twins about their development, considering the sociocultural constructivist perspective. Through an interpretive-qualitative analysis, categories were constructedinferred from participant’s narratives. Results show that: a cultural and educational practices carried out within school and family contexts depend on adults’ beliefs about twinship;b such practices may have fundamental impact over the development of subjectivity of each child; c there are divergences about beliefs and expectations held by family and school contexts about twins’ behaviors and performances; d there is a dialogical tension betweenpromoting similarity and/or individuation/differentiation processes.

  1. Decentralized Social Filtering based on Trust

    OpenAIRE

    Olsson, Tomas

    1998-01-01

    This paper describes a decentralised approach to social filtering based on trust between agents in a multiagent system. The social filtering in the proposed approach is built on the interactions between collaborative software agents performing content-based filtering. This means that it uses a mixture of content-based and social filtering and thereby, it takes advantage of both methods.

  2. Biological warfare agents

    Directory of Open Access Journals (Sweden)

    Duraipandian Thavaselvam

    2010-01-01

    Full Text Available The recent bioterrorist attacks using anthrax spores have emphasized the need to detect and decontaminate critical facilities in the shortest possible time. There has been a remarkable progress in the detection, protection and decontamination of biological warfare agents as many instrumentation platforms and detection methodologies are developed and commissioned. Even then the threat of biological warfare agents and their use in bioterrorist attacks still remain a leading cause of global concern. Furthermore in the past decade there have been threats due to the emerging new diseases and also the re-emergence of old diseases and development of antimicrobial resistance and spread to new geographical regions. The preparedness against these agents need complete knowledge about the disease, better research and training facilities, diagnostic facilities and improved public health system. This review on the biological warfare agents will provide information on the biological warfare agents, their mode of transmission and spread and also the detection systems available to detect them. In addition the current information on the availability of commercially available and developing technologies against biological warfare agents has also been discussed. The risk that arise due to the use of these agents in warfare or bioterrorism related scenario can be mitigated with the availability of improved detection technologies.

  3. Biological warfare agents

    Science.gov (United States)

    Thavaselvam, Duraipandian; Vijayaraghavan, Rajagopalan

    2010-01-01

    The recent bioterrorist attacks using anthrax spores have emphasized the need to detect and decontaminate critical facilities in the shortest possible time. There has been a remarkable progress in the detection, protection and decontamination of biological warfare agents as many instrumentation platforms and detection methodologies are developed and commissioned. Even then the threat of biological warfare agents and their use in bioterrorist attacks still remain a leading cause of global concern. Furthermore in the past decade there have been threats due to the emerging new diseases and also the re-emergence of old diseases and development of antimicrobial resistance and spread to new geographical regions. The preparedness against these agents need complete knowledge about the disease, better research and training facilities, diagnostic facilities and improved public health system. This review on the biological warfare agents will provide information on the biological warfare agents, their mode of transmission and spread and also the detection systems available to detect them. In addition the current information on the availability of commercially available and developing technologies against biological warfare agents has also been discussed. The risk that arise due to the use of these agents in warfare or bioterrorism related scenario can be mitigated with the availability of improved detection technologies. PMID:21829313

  4. Agent-Based Optimization

    CERN Document Server

    Jędrzejowicz, Piotr; Kacprzyk, Janusz

    2013-01-01

    This volume presents a collection of original research works by leading specialists focusing on novel and promising approaches in which the multi-agent system paradigm is used to support, enhance or replace traditional approaches to solving difficult optimization problems. The editors have invited several well-known specialists to present their solutions, tools, and models falling under the common denominator of the agent-based optimization. The book consists of eight chapters covering examples of application of the multi-agent paradigm and respective customized tools to solve  difficult optimization problems arising in different areas such as machine learning, scheduling, transportation and, more generally, distributed and cooperative problem solving.

  5. Hormona de crecimiento en sujetos varones de diferentes altitudes

    Directory of Open Access Journals (Sweden)

    Elydia Mujica

    2010-07-01

    Full Text Available Objetivos: Determinar los niveles de hormona de crecimiento (GH en sujetos varones adultos, a nivel del mar (Lima, 150 msnm y en la altura (Cajamarca: 2 750 msnm; Huancayo: 3 280 msnm; Morococha: 4 540 msnm. Diseño: Estudio descriptivo, observacional, transversal y prospectivo. Lugar: Ciudades de Lima, Cajamarca, Huancayo y Morococha, Perú. Participantes: Adultos varones, nativos de localidades de diferentes altitudes. Intervenciones: Previo consentimiento informado, a 41 adultos varones nativos de su localidad de origen [12 sujetos alnivel del mar (Lima 150 m, 10 sujetos en Cajamarca (2 750 m, 12 sujetos en Huancayo (3 280 m y 7 sujetos en Morococha (4 540 m] se tomó muestras de sangre en ayunas y en condiciones de reposo. Principales medidas de resultados: Niveles sanguíneos de hormona de crecimiento (GH en sangre. Resultados: La edad promedio de los participantes fue 28 años (rango de 20 a 35 años. Los valores promedios de GH encontrados fueron: a 4 540 m, 3,87 ± 0,16 ng/mL; a 3 280 m, 1,31 ± 0,09 ng/mL; a 2 750 m, 0,63 ± 0,08 ng/mL; y a 150 m, 0,54 ± 0,04 ng/mL. Hubo diferencia significativa (p < 0,05 entre los valores de GH encontrados en la altura a 4 540 m y 3 280 m con respecto al nivel del mar 150 m. No se encontró diferencia significativa entre los valores encontrados a 2 750 m con respecto a 150 m. Conclusiones: Los niveles de GH son mayores en los sujetos nativos a 3 280 m (Huancayo, n=12 y 4 540 m (Morococha, n=7 respecto a los sujetos que viven a 150 m (Lima, n=12.

  6. Inteligencias en diferentes enfoques teóricos

    Directory of Open Access Journals (Sweden)

    D'Antoni, Maurizia

    2004-06-01

    Full Text Available El siguiente artículo reflexiona sobre enfoques teóricos que sustentan el estudio de las inteligencias y su pertinencia. Se toman en cuenta dos diferentes enfoques teóricos: el humanismo –tomando en cuenta una de sus recientes reformulaciones- y el cognitivismo, específicamente el aporte de Gardner. Al preguntarse el texto si los conceptos de “inteligencias personales” y “persona autorrealizada” tienen alguna relación teórica, se reseñan y comparan algunas de las principales conclusiones de Abraham Maslow y Howard Gardner. Este artículo es parte del trabajo que se realiza para trazar el marco teórico de un proyecto de extensión para la Universidad Nacional, denominado “Olimpiadas de la Inteligencia Emocional”. En ese mismo ámbito, se reflexiona sobre la orientación teórica de otros estudios latinoamericanos y su validez. The next article is a reflection upon theoretical focuses that sustain the study of intelligence and their pertinence. It explores the perspective of two different theoretical approaches, humanism –taking into account one of the recent reformulations- and cognitivism, in the broadest sense of the term. The text queries whether the concepts of “personal intelligences” and “self realized person” have any theoretical relation, it resumes them and compares some of the principal contributions made by Abraham Maslow and Howard Gardner. This article is part of the work that was undertaken to establish the theoretical guidelines of an extension project by the Universidad Nacional, titled “Emotional Intelligence Olympics”. In the same context, there is a reflection on the theoretical orientation of other latinamerican studies and their validity.

  7. A assistência domiciliar: conformando o modelo assistencial e compondo diferentes interesses/necessidades do setor saúde La atención domiliciaria: conformando el modelo asistencial y componiendo diferentes intereses/necesidades del sector salud Home care: configurating the care model and joining different interests/needs in the care sector

    Directory of Open Access Journals (Sweden)

    Maria José Bistafa Pereira

    2005-12-01

    Full Text Available Neste estudo objetiva-se proceder à análise de um serviço de Assistência Domiciliar (AD do setor privado, sob a luz da conformação do Modelo Assistencial. Elegeu-se como instrumentos para coleta de dados o grupo focal e a entrevista semi-estruturada junto aos trabalhadores de enfermagem do nível médio e coordenadores do serviço. Para organização do material empírico recorreu-se ao processo metodológico do Discurso do Sujeito Coletivo. Ficou evidente que o reconhecimento dos elementos constituintes do Modelo Assistencial entre os atores sociais, envolvidos no projeto, é fundamental para negociar, compor e instrumentalizar o atendimento de diferentes interesses, bem como a potência da AD em ser um dispositivo para a revisão do conceito do processo saúde/doença/cuidado e, portanto, promover incorporações de valores que levem a mudanças no seu modo de agir, em direção a um modelo assistencial comprometido em estabelecer relação acolhedora, marcada pelo compromisso e responsabilização pela saúde dos usuários.La finalidad de este estudio es proceder al análisis de un servicio de Atención Domiciliaria del sector privado, bajo la perspectiva de la conformación del Modelo Asistencial. Elegimos como instrumentos de recopilación de datos el grupo focal y la entrevista semiestructurada, junto a los trabajadores de enfermería del nivel medio y los coordinadores del servicio. Para organizar el material empírico, nos valemos del proceso metodológico del Discurso del Sujeto Colectivo. Fue demostrado que el reconocimiento de los elementos constituyentes del Modelo Asistencial entre los actores sociales involucrados en el proyecto es fundamental para negociar, componer y instrumentalizar la atención a diferentes intereses, así como la potencia de la AD para ser un dispositivo para la revisión del concepto del proceso salud/enfermedad/cuidado y, por lo tanto, promover la incorporación de valores que lleven a cambios en su

  8. Mobile Agent Data Integrity Using Multi-Agent Architecture

    National Research Council Canada - National Science Library

    McDonald, Jeffrey

    2004-01-01

    .... Security issues for mobile agents continue to produce research interest, particularly in developing mechanisms that guarantee protection of agent data and agent computations in the presence of malicious hosts...

  9. Delta agent (Hepatitis D)

    Science.gov (United States)

    ... this page: //medlineplus.gov/ency/article/000216.htm Hepatitis D (Delta agent) To use the sharing features on this page, please enable JavaScript. Hepatitis D is a viral infection caused by the ...

  10. DOCUMENTO: LA PRACTICA PROFESIONAL EN EL PROGRAMA DE TRABAJO SOCIAL

    Directory of Open Access Journals (Sweden)

    Liliana Pérez Mendoza

    2001-08-01

    Full Text Available La Facultad de Ciencias Sociales y Educación a través del Departamento de Practicas y el programa de Trabajo Social de la misma proyectan la acción de los Trabajadores Sociales en formación en diferentes áreas temáticas a fin de propiciar en los diferentes contextos donde tiene lugar, un desarrollo social, humano y sostenible con la participación en diferentes comunidades de la ciudad y la región, de docentes y estudiantes, a través de’ estrategias de acción profesional como: diagnósticos participativos, programas / proyectos de integración comunitaria, de generación de ingresos, de Desarrollo a Organizacional, de fortalecimiento de vínculos familiares, de convivencia ciudadana y de Desarrollo Municipal.

  11. II Jornadas sobre Emprendimiento Social y Colectivo

    OpenAIRE

    Centro de Investigación en Gestión de Empresas

    2013-01-01

    La línea temática principal del encuentro es el emprendimiento social y colectivo así como las diferentes líneas de investigación de los institutos y centros de la Red relacionadas, como: responsabilidad social, empleo y reincorporación al trabajo, inserción laboral, servicios sociales y dependencia, género, cambios legislativos, utilidad social, medio ambiente, desarrollo local,... Centro de Investigación en Gestión de Empresas (2013). II Jornadas sobre Emprendimiento Social y Colectivo. ...

  12. Agents Within our Midst

    Science.gov (United States)

    2012-03-14

    agents; and the development of bio -monitoring protocols for civilian and service personnel during a chemical attack. These efforts have resulted in greater...produced by staphylococcal bacteria that is and is classified as a CDC select agent which has the potential to be used as a biological weapon .1...NMR chemical shift perturbation titrations with Fab (fragment, antigen binding regions) domains of 20B1, 14G8, and 6D3 using deuterated (2H) SEB

  13. Adrenal imaging agents

    International Nuclear Information System (INIS)

    Davis, M.A.; Hanson, R.N.; Holman, B.L.

    1980-01-01

    The goals of this proposal are the development of selenium-containing analogs of the aromatic amino acids as imaging agents for the pancreas and of the adrenal cortex enzyme inhibitors as imaging agents for adrenal pathology. The objects for this year include (a) the synthesis of methylseleno derivatives of phenylalanine and tryptophan, and (b) the preparation and evaluation of radiolabeled iodobenzoyl derivatives of the selenazole and thiazole analogs of metyrapone and SU-9055

  14. [Community health agents: profile and education].

    Science.gov (United States)

    Marzari, Carla Kowalski; Junges, José Roque; Selli, Lucilda

    2011-01-01

    This research discusses the profile and education of the community health agents. There is no clarity about the kind of professional needed and the appropriate training to the fulfillment of the function. The research is a case study with exploratory methodology and qualitative approach. The data was collected with a focused group, formed by ten agents, intentional selected from those with more time in service in Family Health Strategy teams from the municipality of Santa Maria, Rio Grande do Sul State. The discussions were recorded and transcribed by the researcher. The data was interpreted by content analysis. The results pointed to some important questions concerning the identity of the community health agents: integration on the health team, insertion in the community, profile and education. The profile which emerges from the research, is not different from the one proposed by the Ministry of Health. However, the difference is the professionalization, an initiative assumed by the agent, guided by reality, which he faces in his activity. The gaps, perceived in his formation, cause the agent to construct his professional identity, determined more by the technical aspect of the scientific knowledge than by his social competence as a community agent.

  15. APLICACIÓN DE LOS PRINCIPIOS DE RESPONSABILIDAD SOCIAL EN LAS EMPRESAS DE PARTICIPACIÓN DE MENOS DE DIEZ EMPLEADOS/APLICATION OF SOCIAL RESPONSABILITY'S PRINCIPLES IN BUSINESSES INVOLVING LESS THAN TEN EMPLOYEES

    Directory of Open Access Journals (Sweden)

    Sonia BENITO HERNÁNDEZ

    2008-01-01

    Full Text Available Se tiende a relacionar el concepto de responsabilidad social con las grandes empresas y multinacionales, pero los principios de responsabilidad social pueden y deben integrarse en cualquier tipo de organización, incluida la microempresa. Este tipo de empresa presenta algunos atributos que la distingue de la gran empresa y de los que se derivan algunos inconvenientes a la hora de adoptar principios y políticas de responsabilidad social. Sin embargo, presenta también algunas ventajas respecto a la gran empresa, sobre las que puede apoyarse para construir políticas de responsabilidad social que influyan positivamente en su desempeño y en la gestión de sus relaciones con los diferentes agentes económicos con los que se relaciona. Este artículo identifica esos puntos fuertes y débiles y propone un marco y unas orientaciones para abordar la responsabilidad social en el seno de las empresas con menos de 10 trabajadores/We tend to associate the concept of social responsibility with large companies and multinationals, but the principles of social responsibility can and must be integrated into any organization, including micro-enterprises. This kind of company has some attributes that distinguishes them from big companies and derive some disadvantages when adopting principles and social responsibilities’ policies. However, they also present some advantages over large companies, which can be relied on in order to build social responsibility's policies that influence positively on their performance and in managing its relations with the various operators with which it relates. This article identifies those strengths and weaknesses and proposes a framework and guidelines to address social responsibility within companies with less than 10 workers

  16. "Implementation and Social Influence"

    OpenAIRE

    Hitoshi Matsushima

    2008-01-01

    This paper incorporates social psychology into implementation theory. Real individuals care not only about their material benefits but also about their social influence in terms of obedience and conformity. Using a continuous time horizon, we demonstrate a method of manipulating the decision-making process, according to which, an uninformed principal utilizes her/his power of social influence to incentivize multiple informed agents to make honest announcements. Following this method, we show ...

  17. Dinámica microbial del suelo asociada a diferentes estrategias de manejo de Phytophthora cinnamomi Rands en aguacate

    Directory of Open Access Journals (Sweden)

    Joaquín Guillermo Ramírez Gil

    2013-12-01

    Full Text Available La marchitez del aguacate es la enfermedad más limitante de este cultivo, cuyo agente causal más relevante es el oomycete Phytophthora cinnamomi Rands. Es por esto que se han desarrollado diferentes estrategias para su manejo integrado, pero aún prevalece el uso de productos químicos, como única medida de manejo, generando impactos negativos en el ambiente y la salud. Uno de los efectos perjudiciales que se ocasiona es la alteración de las poblaciones microbianas en el suelo. Este trabajo estuvo encaminado a conocer la dinámica microbiana del suelo, bajo diferentes estrategias de manejo de esta enfermedad, para lo cual se midió su dinamismo mediante unidades formadoras de colonias (UFC, para hongos, bacterias y actinomicetos, a partir de muestras de suelo y rizósfera de la raíz, bajo incubación en condiciones de anaerobiosis y aerobiosis, además se midió la actividad microbiana total, en condiciones de laboratorio, como complemento se cuantificaron microorganismos como: Trichiderma spp, bacterias formadoras de endosporas (BAFE, celulolíticos, proteolíticos, amilolíticos, solubilizadores de fosfato, fijadores asimbióticos de nitrógeno y promotores del crecimiento, como Pseudomonas spp., fluorescentes. Los resultados encontrados en esta investigación, sugieren que el uso individual y combinado de mantillo orgánico, material compostado de estiércol bovino, enmienda mineral y cascarilla de arroz y la propuesta de integración; incrementan significativamente la población y actividad microbiana aerobia, en la cual se identificaron microorganismos antagonistas como, Trichiderma spp., celulolíticos, Pseudomonas spp. fluorescentes y BAFE.

  18. A produção do conhecimento: diálogo entre os diferentes saberes La producción del conocimiento: un dialogo entre los diferentes saberes Knowledge production: a dialogue among different knowledge

    Directory of Open Access Journals (Sweden)

    Alacoque Lorenzini Erdmann

    2006-08-01

    Full Text Available O texto aborda o diálogo necessário entre os diferentes saberes para a construçao do conhecimento e discorre sobre os avanços da Enfermagem na busca de consistência e clareza da disciplina Enfermagem. Para tanto, o texto apóia-se na transdisciplinaridade, na intersetorialidade, na complexidade e no convívio com os diferentes pares da saúde e outras áreas e na sustentação do espaço da ciência e tecnologia da Enfermagem. Questiona-se sobre que perspectivas se abrem como possibilidades de construção de conhecimentos científicos e tecnológicos num compromisso social mais responsável e solidário. O propósito é ampliar a aptidão para contextualizar e globalizar os saberes e transcender diferenças e peculiaridades na perspectiva de políticas mais qualitativas superando as fronteiras disciplinares.El texto aporta la necesidad del diálogo entre los diferentes saberes para la construcción del conocimiento y nos permite pensar sobre los progresos de la Enfermería en la búsqueda de una consistencia y claridad de la disciplina de Enfermería. Por consiguiente, el texto se fundamenta en la transdisciplinariedad, en la intersectorialidad, en la complejidad y en la convivencia con los diferentes grupos de la salud y otros áreas, así como, en la sustentación del espacio de la ciencia y la tecnología de la Enfermería. Se discute acerca de que perspectivas son abiertas como posibilidades en la construcción de dichos conocimientos científicos y tecnológicos mediante un compromiso social más responsable y solidario. El propósito es ampliar la aptitud y capacidad para contextualizar y globalizar los saberes y poder ultrapasar las diferencias y particularidades en la perspectiva de las políticas más cualitativas de manera a superar todas las fronteras o barreras disciplinarias.This text approaches the necessary dialogue among different knowledge and considers the advances within Nursing in the search for consistence and clarity

  19. Productividad forrajera de haba bajo diferentes condiciones de manejo

    Directory of Open Access Journals (Sweden)

    Carmen Rosana Estrada

    2017-01-01

    Full Text Available Se evaluaron diferentes condiciones de manejo del cultivo, como preparación del suelo, fertilización y densidad de plantación de Vicia faba L., sobre la producción de ejote y forraje, en Zaragoza, Puebla. El experimento se desarrolló durante el ciclo agrícola primavera-verano 2013. Se estudiaron 3 factores de variación: 1 labranza completa y mínima; 2 aplicación de composta, con 17,8 t.ha-1 y sin composta; 3 densidades de siembra: 4, 6, 8 a 16 plantas por m2. El diseño experimental fue de bloques al azar, con parcelas subdivididas y 4 repeticiones: las parcelas grandes correspondieron a 2 preparaciones de suelo, la sub parcela a la fertilización y la parcela pequeña a 4 densidades de siembra. Las unidades experimentales fueron parcelas de 3,0 x 5,6 m (16,8 m2, de las cuales se tomaron 6 surcos centrales como parcela útil (8,4 m2. La mayor producción en biomasa o materia seca total (10,15±1,9 t.ha-1 correspondió a los tratamientos con preparación completa: 16 plantas por m2 y aplicación de composta (65 N; 0,54 P kg.ha-1. La producción de materia seca aumentó (p<0,05 en función de las densidades: 4, 6, 8 y 16 plantas por m2, de 2,76±0,62 a 2,93±0,65; de 3,30±0,89 a 4,09±0,89; de 4,82±0,68 a 5,59±0,98; y de 8,78±1,44 a 10,15±1,9 t.ha-1 de materia seca total, respectivamente. De manera similar, los tratamientos con mayor producción de materia seca de ejote fueron los sembrados a la densidad de 16 plantas por m2 (p<0,05.

  20. Il libro agente della socializzazione

    Directory of Open Access Journals (Sweden)

    Daniela Sideri

    2017-06-01

    Full Text Available Il saggio indaga il ruolo del libro come agente di socializzazione, con particolare riferimento al pubblico dei lettori ragazzi e bambini e alle specifiche funzioni formative della “lettura della letteratura” in età pre-scolare e scolare fino ai 14 anni. La ricerca di matrice socio-culturale si è occupata per lo più del libro in qualità di prodotto eminentemente sociale (sociologia della letteratura, contenitore di testi significanti (semiotica, e bene di consumo dell’industria culturale (cultural studies: lo studio proposto richiama le conclusioni fondamentali di decenni di studi intorno al libro, con l’intento di rintracciare i criteri adeguati (tema, target, identità visiva, funzione pratica e utopica a guidare una classificazione dei generi 0-14 che evidenzi il valore socializzante di ciascuno, proponendo così una originale tipologia, che giustifica l’inserimento del libro tra quelle definite “agenzie testuali” della socializzazione.

  1. Métodos de molienda, granulometría y resistencia desarrollada por los diferentes cementos

    Directory of Open Access Journals (Sweden)

    Beke, B.

    1961-12-01

    Full Text Available Not availableSe han realizado dos series de ensayos para determinar la influencia de las varias fracciones granulométricas en el endurecimiento o desarrollo de resistencias de diferentes cementos.

  2. Monitoring volatile anaesthetic agents

    International Nuclear Information System (INIS)

    Russell, W.J.

    2000-01-01

    Full text: The methods that have been used for monitoring volatile anaesthetic agents depend on some physical property such as Density, Refractometry, Mass, Solubility, Raman scattering, or Infra-red absorption. Today, refractometry and infra-red techniques are the most common. Refractometry is used for the calibration of vaporizers. All anaesthetic agents increase the refractive index of the carrier gas. Provided the mixture is known then the refractive change measures the concentration of the volatile anaesthetic agent. Raman Scattering is when energy hits a molecule a very small fraction of the energy is absorbed and re-emitted at one or more lower frequencies. The shift in frequency is a function of the chemical bonds and is a fingerprint of the substance irradiated. Electromagnetic (Infra-red) has been the commonest method of detection of volatile agents. Most systems use a subtractive system, i.e. the agent in the sampling cell absorbed some of the infrared energy and the photo-detector therefore received less energy. A different approach is where the absorbed energy is converted into a pressure change and detected as sound (Acoustic monitor). This gives a more stable zero reference. More recently, the detector systems have used multiple narrow-band wavelengths in the infrared bands and by shape matching or matrix computing specific agent identification is achieved and the concentration calculated. In the early Datex AS3 monitors, a spectral sweep across the 3 micron infrared band was used to create spectral fingerprints. The recently released AS3 monitors use a different system with five very narrow band filters in the 8-10 micron region. The transmission through each of these filters is a value in a matrix which is solved by a micro computer to identify the agent and its concentration. These monitors can assist in improving the safety and efficiency of our anaesthetics but do not ensure that the patient is completely anaesthetized. Copyright (2000

  3. Monitoring volatile anaesthetic agents

    Energy Technology Data Exchange (ETDEWEB)

    Russell, W J [Royal Adelaide Hospital, SA (Australia). Department of Anaesthesia and Intensive Care

    2000-12-01

    Full text: The methods that have been used for monitoring volatile anaesthetic agents depend on some physical property such as Density, Refractometry, Mass, Solubility, Raman scattering, or Infra-red absorption. Today, refractometry and infra-red techniques are the most common. Refractometry is used for the calibration of vaporizers. All anaesthetic agents increase the refractive index of the carrier gas. Provided the mixture is known then the refractive change measures the concentration of the volatile anaesthetic agent. Raman Scattering is when energy hits a molecule a very small fraction of the energy is absorbed and re-emitted at one or more lower frequencies. The shift in frequency is a function of the chemical bonds and is a fingerprint of the substance irradiated. Electromagnetic (Infra-red) has been the commonest method of detection of volatile agents. Most systems use a subtractive system, i.e. the agent in the sampling cell absorbed some of the infrared energy and the photo-detector therefore received less energy. A different approach is where the absorbed energy is converted into a pressure change and detected as sound (Acoustic monitor). This gives a more stable zero reference. More recently, the detector systems have used multiple narrow-band wavelengths in the infrared bands and by shape matching or matrix computing specific agent identification is achieved and the concentration calculated. In the early Datex AS3 monitors, a spectral sweep across the 3 micron infrared band was used to create spectral fingerprints. The recently released AS3 monitors use a different system with five very narrow band filters in the 8-10 micron region. The transmission through each of these filters is a value in a matrix which is solved by a micro computer to identify the agent and its concentration. These monitors can assist in improving the safety and efficiency of our anaesthetics but do not ensure that the patient is completely anaesthetized. Copyright (2000

  4. Culture-specific communication management for virtual agents

    DEFF Research Database (Denmark)

    Endrass, Birgit; Rehm, Matthias; André, Elisabeth

    2009-01-01

    Human interaction depends on several individual factors such as personality, social relations, age or gender. But also the society we live in influences our behaviour. Thus culture affects the way communication is led. As virtual agents interact in a more and more human-like manner, culture......, the use of pauses in speech as well as the occurrence of overlapping speech was analyzed and integrated into a demonstrator using virtual agents. In a preliminary study, we investigated whether subjects perceive a difference between agent dialogs that are in line with culture-specific findings and agent...

  5. A la caza de las patentes : inteligencia competitiva a través de agentes inteligentes

    OpenAIRE

    Martínez Usero, José Angel; Sanz-Martos, Sandra

    2000-01-01

    Se destaca la importancia de las recursos de información para el éxito de cualquier actividad innovadora. Se analizan los posibles usos tecnológicos de la información contenida en las patentes y se identifican los diferentes componentes necesarios para la oferta de servicios de vigilancia tecnológica y comercial. Se concluye destacando la variedad de ventajas que los agentes inteligentes ofrecen para el suministro de servicios de vigilancia tecnológica.

  6. Representing affective facial expressions for robots and embodied conversational agents by facial landmarks

    NARCIS (Netherlands)

    Liu, C.; Ham, J.R.C.; Postma, E.O.; Midden, C.J.H.; Joosten, B.; Goudbeek, M.

    2013-01-01

    Affective robots and embodied conversational agents require convincing facial expressions to make them socially acceptable. To be able to virtually generate facial expressions, we need to investigate the relationship between technology and human perception of affective and social signals. Facial

  7. Agent independent task planning

    Science.gov (United States)

    Davis, William S.

    1990-01-01

    Agent-Independent Planning is a technique that allows the construction of activity plans without regard to the agent that will perform them. Once generated, a plan is then validated and translated into instructions for a particular agent, whether a robot, crewmember, or software-based control system. Because Space Station Freedom (SSF) is planned for orbital operations for approximately thirty years, it will almost certainly experience numerous enhancements and upgrades, including upgrades in robotic manipulators. Agent-Independent Planning provides the capability to construct plans for SSF operations, independent of specific robotic systems, by combining techniques of object oriented modeling, nonlinear planning and temporal logic. Since a plan is validated using the physical and functional models of a particular agent, new robotic systems can be developed and integrated with existing operations in a robust manner. This technique also provides the capability to generate plans for crewmembers with varying skill levels, and later apply these same plans to more sophisticated robotic manipulators made available by evolutions in technology.

  8. Socialization Sequences and Student Attitudes Towards Non-Violent Social Change.

    Science.gov (United States)

    Boulding, Elise

    Examined is a general model of the socialization process based on Polak's theory of social change which identifies key agents of the process which shape perceptions of the possibility of creative change instead of defensiveness or aggression in situations where old behaviors are inadequate. Six agents of socialization are identified: family,…

  9. Cultivo de alface, sobre diferentes coberturas de solo, em condições tropicais

    Directory of Open Access Journals (Sweden)

    Clodoaldo Moreno Paixão

    2017-07-01

    Full Text Available A alface é a hortaliça folhosa mais produzida no Brasil, onde representa grande relevância social e econômica para pequenas propriedades. No entanto, ainda há a necessidade de estudos voltados à melhoria das condições de cultivo, a qual demanda intensa quantidade de fertilizantes, degrada a estrutura física do solo e provoca desequilíbrios biológicos pela baixa rotação de culturas. Diante disso, objetivou-se através deste trabalho identificar os efeitos de coberturas vegetais sobre os atributos químicos do solo e sobre a qualidade da alface produzida em condições de clima tropical. O experimento foi instalado em região de baixa altitude, em condições de campo, em blocos casualizados em esquema fatorial, com cultivo de alface sobre resíduos de cinco coberturas vegetais de solo implantadas em três épocas diferentes. As coberturas vegetais utilizadas foram milheto, bagaço de cana-de-açúcar, mucuna-preta, capim braquiária e crotalária, semeadas em 06/02/12, 08/03/12 e 07/04/12, com manejo aos 120, 90 e 60 dias, respectivamente. Concluiu-se que, dependendo da espécie e da época em que é feita semeadura e o manejo e o manejo, as plantas de coberturas podem interferir nos atributos químicos do solo, resultando em plantas de alface de maior altura, diâmetro e massa fresca. Plantas de alface com maior diâmetro e massa de matéria seca total foram obtidas quando cultivadas sobre resíduos de mucuna-preta e capim braquiária.

  10. Passageiros com deficiência no transporte aéreo brasileiro: diferentes atores, perspectivas semelhantes

    Directory of Open Access Journals (Sweden)

    Talita Naiara Rossi da Silva

    Full Text Available Resumo As mudanças em relação ao entendimento da deficiência no mundo buscam a efetivação da inclusão social e a maior participação das pessoas com deficiência em todos os contextos e atividades. Entretanto, no transporte aéreo há inúmeras barreiras que podem dificultar a viagem dessas pessoas. Assim, este estudo busca compreender as experiências de passageiros com deficiência no transporte aéreo brasileiro, a partir das perspectivas de diferentes atores sociais, incluindo profissionais que atuam em associações, centros de referência em reabilitação, órgãos públicos e passageiros com deficiência usuários do transporte aéreo. Para desenvolvimento do estudo foram realizadas 20 entrevistas semiestruturadas entre 2012 e 2013. Os resultados indicaram que os passageiros com deficiência encontram inúmeras dificuldades no transporte aéreo ao longo de todo o processo de viagem, inclusive fatores associados aos aeroportos, às aeronaves e aos serviços e procedimentos das companhias aéreas. Sugere-se que projetos envolvendo os usuários sejam desenvolvidos, para que seja possível compreender as reais necessidades desses passageiros e desenvolver soluções que assegurem sua independência e segurança no uso do transporte.

  11. [Supramolecular Agents for Theranostics].

    Science.gov (United States)

    Deyev, S M; Lebedenko, E N

    2015-01-01

    This mini-review summarizes recent data obtained in the process of creation of a versatile module platform suitable for construction of supramolecular theranostic agents. As an example, we consider multifunctional hybrid agents for imaging and elimination of cancer cells. The use of an adapter protein system barnase:barstar for producing targeted multifunctional hybrid structures on the basis of highly specific peptides and mini-antibodies as addressing modules and recombinant proteins and/or nanoparticles of different nature (quantum dots, nanogold, magnetic nanoparticles, nanodiamonds, upconverting nanophosphores, polymer nanoparticles) as agents visualizing and damaging cancer cells is described. New perspectives for creation of selective and highly effective compounds for theranostics and personified medicine are contemplated.

  12. Teaching tourism change agents

    DEFF Research Database (Denmark)

    Blichfeldt, Bodil Stilling; Kvistgaard, Hans-Peter; Hird, John

    2017-01-01

    This article discuss es know ledge, competencies and skills Master’s students should obtain during their academic studies and particularly, the differences between teaching about a topic and teaching to do. This is ex emplified by experiential learning theory and the case of a change management...... course that is part of a Tourism Master’s program, where a major challenge is not only to teach students about change and change agents, but to teach them how change feels and ho w to become change agents. The c hange management course contains an experiment inspired by experiential teaching literature...... and methods. The experiment seeks to make students not only hear/learn about change agency and management, but to make them feel cha nge, hereby enabling them to develop the skills and competencies necessary for them to take on the role as change agent s and thus enable them to play key role s in implementing...

  13. Agents unleashed a public domain look at agent technology

    CERN Document Server

    Wayner, Peter

    1995-01-01

    Agents Unleashed: A Public Domain Look at Agent Technology covers details of building a secure agent realm. The book discusses the technology for creating seamlessly integrated networks that allow programs to move from machine to machine without leaving a trail of havoc; as well as the technical details of how an agent will move through the network, prove its identity, and execute its code without endangering the host. The text also describes the organization of the host's work processing an agent; error messages, bad agent expulsion, and errors in XLISP-agents; and the simulators of errors, f

  14. AS RELAÇÕES E APRENDIZAGENS PRESENTES ENTRE OS MOVIMENTOS SOCIAIS DE TRABALHADORES DE DIFERENTES CATEGORIAS PROFISSIONAIS

    Directory of Open Access Journals (Sweden)

    Sabrina Zientarski de Bragança

    2016-12-01

    Full Text Available O artigo trata das relações presentes entre os movimentos sociais autogestionários realizados pelos professores e os movimentos sociais dos trabalhadores de outras áreas profissionais. Estabelece como período histórico o final da década de 1970, década de 1980 e início dos anos 1990 no Brasil, tendo como enfoque especial o Estado Rio Grande do Sul. Objetiva trazer elementos que permitam compreender as relações entre os movimentos sociais dos trabalhadores de diferentes categorias. Utiliza como opção metodológica a pesquisa qualitativa e, como sujeitos professores que participaram dos movimentos sociais no período em estudo. Conclui que os professores aprenderam com trabalhadores de outras categorias (metalúrgicos, servidores públicos e trabalhadores do campo e ensinaram com suas experiências e movimentos.  Palavras-chave: Autogestão. Movimentos sociais. Aprendizagens. ABSTRACT The article deals with the present relations between the self-managed social movements made by the teachers and the social movements of workers in other professional areas. Establishes as a historical period the late 1980s and early 1990s in Brazil, with the special focus the state of Rio Grande do Sul. It aims at bringing evidence to understand the relationship between social movements of workers of different categories. Uses as a methodological option qualitative research and as subject were teachers who participated in social movements during the study period. Concludes that teachers learned from workers in other categories (metallurgical, civil servants and workers in the field and taught from their experiences and movements. Keywords: Self-management. Social Movements of Workers. Learning. RESUMEN El artículo trata de las relaciones presentes entre los movimientos sociales autogestionarios realizados por los maestros y los movimientos sociales de los trabajadores de otras áreas profesionales. Establece como período histórico el final de la d

  15. Variables biopsicosociales que contribuyen al diferente impacto de la violencia de pareja en la salud de las mujeres: factores de vulnerabilidad y resiliencia

    OpenAIRE

    Savall Rodríguez, M. Francisca

    2015-01-01

    La violencia de pareja es un fenómeno que sigue estando de actualidad, habiendo proliferado en las últimas décadas las investigaciones en relación con las consecuencias que este tipo de violencia produce en la salud, tanto física como mental, de estas mujeres. Sin embargo, han sido menos frecuentes los estudios realizados acerca de la influencia que los factores personales, biológicos o sociales ejercen sobre el diferente impacto producido en el estado clínico de las mujeres. Objetivos: El pr...

  16. Estudio del grado de secuela en la contingencia profesional según los diferentes estamentos involucrados dentro de la legislación laboral

    Directory of Open Access Journals (Sweden)

    Luis Jesús Sánchez-Elvira Muñoz

    Full Text Available El estudio de 2367 casos de MC-Mutual, que por contingencia profesional han sido alta en el año 2007, con tramitación de informe-propuesta clínico-laboral. El mayor grado de coincidencia está entre el Juzgado de la Social (JS y el Tribunal Superior de Justicia (TSJ, siendo del 89,28%, seguido de la mutua con el INSS con un 81,59%. Hay diferencias en la valoración del grado de secuela por los diferentes estamentos. La menor coincidencia entre la Mutua y el INSS está en la incapacidad permanente parcial.

  17. ESTABILIDADE DO MOLHO DE TOMATE EM DIFERENTES EMBALAGENS DE CONSUMO

    Directory of Open Access Journals (Sweden)

    Sandra Balan Mendoza JAIME

    1998-05-01

    Full Text Available O presente estudo teve como objetivo avaliar a estabilidade do molho de tomate em diferentes embalagens de consumo (vidro, metálica e cartonada, após simulação de transporte e estocagem a 23 e 35oC, por um período 240 dias ao abrigo da luz. O parâmetro de cor avaliado separadamente não influenciou significativamente a perda de qualidade dos produtos a 23oC, mas teve influência significativa à 35oC. O molho de tomate acondicionado na embalagem cartonada apresentou maior perda de cor em relação às demais, devido às características intrínsecas deste tipo de embalagem, sobretudo sua maior permeabilidade ao oxigênio, provocando um maior escurecimento e a conseqüente redução na vida útil do produto. Considerando-se este aspecto, a taxa de deterioração da cor na embalagem cartonada, comparativamente às demais foi, em termos médios, cerca de 1,7 e 1,9 vezes superior às embalagens metálicas e de vidro, nas temperaturas de 23 e 35oC, respectivamente. O parâmetro sensorial mais crítico e utilizado como indicativo da vida útil foi a perda de qualidade (PQ, uma vez que englobou as alterações de cor e sabor do produto. O molho acondicionado na embalagem cartonada apresentou valores de PQ entre 3,5 e 4,1 vezes superior aos valores obtidos para o produto nas embalagens de vidro e metálica à 23oC, respectivamente. Na temperatura de 35oC, as taxas foram 2,1 e 1,6 vezes superiores, respectivamente. De forma geral, as embalagens de vidro e metálicas apresentaram um desempenho similar entre si, com melhores características de proteção ao produto, devido à barreira oferecida quanto à entrada de oxigênio.The aim of this study was to investigate the tomato sauce stability in different types of commercial packages (glass, can and aseptic carton, after transport simulation and storage protected from light at 23 and 35oC during 240 days. Color characteristics apart-evaluated not influenced the product loss quality at 23oC, but has

  18. Using Intelligent Agents to Manage Business Processes

    OpenAIRE

    Jennings, N. R.; Faratin, P.; Johnson, M. J.; O'Brien, P.; Wiegand, M. E.

    1996-01-01

    Management of the business process requires pertinent, consistent and up-to-date information gathering and information dissemination. These complex and time consuming tasks prompt organizations to develop an Information Technology system to assist with the management of various aspects of their business processes. Intelligent agents are the strongest solution candidates because of their many advantages, namely: autonomy, social ability, responsiveness and proactiveness. Given these characteri...

  19. Social Dynamics of Science

    Science.gov (United States)

    Sun, Xiaoling; Kaur, Jasleen; Milojević, Staša; Flammini, Alessandro; Menczer, Filippo

    2013-01-01

    The birth and decline of disciplines are critical to science and society. How do scientific disciplines emerge? No quantitative model to date allows us to validate competing theories on the different roles of endogenous processes, such as social collaborations, and exogenous events, such as scientific discoveries. Here we propose an agent-based model in which the evolution of disciplines is guided mainly by social interactions among agents representing scientists. Disciplines emerge from splitting and merging of social communities in a collaboration network. We find that this social model can account for a number of stylized facts about the relationships between disciplines, scholars, and publications. These results provide strong quantitative support for the key role of social interactions in shaping the dynamics of science. While several ``science of science'' theories exist, this is the first account for the emergence of disciplines that is validated on the basis of empirical data.

  20. Os sentidos da educação em saúde para agentes comunitários de saúde Los sentidos de la educación en salud para agentes comunitários de salud The senses of ealth education for community health agents

    Directory of Open Access Journals (Sweden)

    Suerde Miranda de Oliveira Brito

    2009-12-01

    Full Text Available O estudo objetivou identificar a representação social sobre educação em saúde construída por agentes comunitários de saúde. Foi desenvolvido com 119 agentes comunitários de saúde do município de João Pessoa, Paraíba. Os dados foram coletados pelo teste de associação livre de palavras, questionários e entrevistas e analisados por diferentes métodos e técnicas. Os resultados apontam: orientação, prevenção e higiene como núcleo central das representações. Como sistema periférico: importante, estar preparado para orientar, colocar em prática as orientações, qualificação profissional, entre outros. A representação social da educação em saúde estruturara-se em dois níveis: um voltado à informação da população; outro, à capacitação profissional.El estúdio tuvo como objetivo identificar la representación social de La educación sanitária construída por los trabajadores de salud comunitários. Fue desarrollado con 119 trabajadores de salud comunitarios en la ciudad de João Pessoa, Paraíba, Brasil. Los datos fueron recolectados por la prueba de asociación libre de palabras, cuestionarios y entrevistas y se analizaron por diferentes métodos y técnicas. Los resultados muestran: orientación, prevención y atención como la pieza central de las representaciones. El periférico: importante, estar preparado para guiar, conducta, directrices, profesionales, entre otros. La representación social de la educación para la salud se estructura en dos niveles: uno dirigido a informar al público en general, otro para la formación profesional.The study aimed to identify the social representation of health education built by community health workers. It was developed with 119 community health workers in the city of João Pessoa, Paraíba, Brasil. Data were collected by the test of free association of words, questionnaires and interviews and analyzed by different methods and techniques. The results show: guidance

  1. Agent Persuasion Mechanism of Acquaintance

    Science.gov (United States)

    Jinghua, Wu; Wenguang, Lu; Hailiang, Meng

    Agent persuasion can improve negotiation efficiency in dynamic environment based on its initiative and autonomy, and etc., which is being affected much more by acquaintance. Classification of acquaintance on agent persuasion is illustrated, and the agent persuasion model of acquaintance is also illustrated. Then the concept of agent persuasion degree of acquaintance is given. Finally, relative interactive mechanism is elaborated.

  2. Integrating Social Work into Undergraduate Education through a Community Action and Social Change Multidisciplinary Minor

    Science.gov (United States)

    Richards-Schuster, Katie; Ruffolo, Mary C.; Nicoll, Kerri Leyda

    2015-01-01

    Social work education has a long and successful history of developing change agents through bachelor of social work, master's of social work, and PhD programs, but these programs often create boundaries limiting the reach and infusion of social work perspectives. With rapid changes in social, economic, and political contexts, students from all…

  3. SECOND BUYING AGENT

    CERN Multimedia

    SPL - SERVICES ACHATS

    2000-01-01

    Last year the buying agent LOGITRADE started operations on the CERN site, processing purchasing requests for well-defined families of products up to a certain value. It was planned from the outset that a second buying agent would be brought in to handle the remaining product families. So, according to that plan, the company CHARLES KENDALL will be commencing operations at CERN on 8 May 2000 in Building 73, 1st floor, offices 31 and 35 (phone and fax numbers to be announced).Each buying agent will have its own specific list of product families and will handle purchasing requests up to 10'000 CHF.Whenever possible they will provide the requested supplies at a price (including the cost of their own services) which must be equivalent to or lower than the price mentioned on the purchasing request, changing the supplier if necessary. If a lower price cannot be obtained, agents will provide the necessary administrative support free of charge.To ensure that all orders are processed in the best possible conditions, us...

  4. Alternative inerting agents

    CSIR Research Space (South Africa)

    Du

    1997-08-01

    Full Text Available Final Project Report ALTERNATIVE INERTING AGENTS Author/s: J J L DU PLESSIS Research Agency: OSIR MINING TECHNOLOGY Project No: Date: 3 2 7 2 COL 443 APRIL 1999 N’ ) ( G~6~ I Title: 9 / The results show...

  5. Multimodal training between agents

    DEFF Research Database (Denmark)

    Rehm, Matthias

    2003-01-01

    In the system Locator1, agents are treated as individual and autonomous subjects that are able to adapt to heterogenous user groups. Applying multimodal information from their surroundings (visual and linguistic), they acquire the necessary concepts for a successful interaction. This approach has...

  6. Stabilized radiographic scanning agent

    International Nuclear Information System (INIS)

    Fawzi, M.B.

    1979-01-01

    A stable composition useful in preparation of technetium-99m-based radiographic scanning agents has been developed. The composition contains a stabilizing amount of gentisate stabilizer selected from gentisic acid and its soluble pharmaceutically-acceptable salts and esthers. (E.G.)

  7. A waterproofing agent

    Energy Technology Data Exchange (ETDEWEB)

    Shchipanov, A.I.; Bass, U.M.; Belousov, E.D.; Chernova, S.P.; Gioev, K.A.; Perlin, L.M.; Shapiro, B.O.; Silantev, U.R.

    1979-12-25

    A waterproofing agent is proposed with improved physiomechanical properties. The agent contains (by parts): bitumens: 100; emulsifier: .6-5; polyvinylpyrrolidone: .4-8; synthetic latex: 5.24; a corrosion inhibitor: .2-10; SPL methyl methacrylate with chloroprene: 2.24; hydrochlorinated amine of adduct diethylene triamine with diglycidyl diamine: 2-10, water: 118-220. The agent is prepared using either periodic or continuous action in emulsifying dispersion machines. The bitumen is dispersed in the machine in an aqueous emulsifying solution in which polyvinylpyrrolidone and the corrosion inihibitor are first introduced. Then a synthetic latex solution is introduced into the bitumen emulsion while being mixed in rotor-type turbulent mixers; a solution and a hydrochlorinated amine of adduct diethylene triamine with diglycidyl diamine solution until a homogeneous mixture is obtained. Example: a waterproofing agent is obtained in parts: bitumen 100, emulsifyer (oxidized petrolatum): .6; polyvinylpyrrolidone: .4; synthetic latex (nitrile): 5; corrosion inhibitor (guanidine chromate): .2, SPL:2; and water 118. The properties of the proposed composition are better than the properties of the composition currently used.

  8. E-Learning Agents

    Science.gov (United States)

    Gregg, Dawn G.

    2007-01-01

    Purpose: The purpose of this paper is to illustrate the advantages of using intelligent agents to facilitate the location and customization of appropriate e-learning resources and to foster collaboration in e-learning environments. Design/methodology/approach: This paper proposes an e-learning environment that can be used to provide customized…

  9. Agent-based models for higher-order theory of mind

    NARCIS (Netherlands)

    de Weerd, Harmen; Verbrugge, Rineke; Verheij, Bart; Kamiński, Bogumił; Koloch, Grzegorz

    2014-01-01

    Agent-based models are a powerful tool for explaining the emergence of social phenomena in a society. In such models, individual agents typically have little cognitive ability. In this paper, we model agents with the cognitive ability to make use of theory of mind. People use this ability to reason

  10. Modeling rises and falls in money addicted social hierarchies

    DEFF Research Database (Denmark)

    Dybiec, Bartłomiej; Mitarai, Namiko; Sneppen, Kim

    2014-01-01

    The emergence of large communities is inherently associated with the creation of social structures. Connections between individuals are indispensable for cooperative action of agents building social groups. Moreover, social groups usually evolve and their structure changes over time. Consequently...

  11. The illusion of agency : The influence of the agency of an artificial agent on its persuasive power

    NARCIS (Netherlands)

    Midden, C.J.H.; Ham, J.R.C.; Bang, M.; Ragnemalm, E.L.

    2012-01-01

    Abstract. Artificial social agents can influence people. However, artificial social agents are not real humans, and people may ascribe less agency to them. Would the persuasive power of a social robot diminish when people ascribe only little agency to it? To investigate this question, we performed

  12. Reflexivity and social justice

    DEFF Research Database (Denmark)

    Maksimovic, Tijana; Jakobsen, Helle Nordentoft

    2017-01-01

    Career practitioners’ reflexive understanding of their professional role as change agents in career guidance and counselling practices has a major impact on how social justice can be achieved. This entitles an awareness of the way in which guidance and counselling practices are embedded in the co......Career practitioners’ reflexive understanding of their professional role as change agents in career guidance and counselling practices has a major impact on how social justice can be achieved. This entitles an awareness of the way in which guidance and counselling practices are embedded...

  13. O que realmente importa em programas de transferência condicionada de renda? Abordagens em diferentes países

    Directory of Open Access Journals (Sweden)

    Daiane Medeiros Roque

    2015-12-01

    Full Text Available Diferentes estratégias de proteção social têm sido utilizadas no mundo visando combater a fome e promover a mobilidade social. Dentre elas, os programas de transferência condicionada de renda têm se destacado pelo desenho contratual e pela estrutura de governança que tem a promoção do comportamento positivo do indivíduo, e não a assistência, como elemento central. Portanto, famílias que participam desses programas recebem, em geral, determinada quantia financeira destinada a satisfazer as necessidades básicas e contribuir para o atendimento das condições positivas impostas à sua manutenção no programa. Conhecer as condicionalidades e perceber sob qual contexto de investigação essas práticas têm sido abordadas no meio acadêmico torna-se fator de relevância científica e social. Nessa direção, este trabalho teve como propósito discutir os diferentes desenhos dessa política em diversos países. Para tanto, 50 trabalhos científicos, distribuídos por 28 países, foram analisados, visando contextualizar metodologias e resultados alcançados. Para realizar tal análise, foi procedido um estudo exploratório, a partir da técnica de metaestudo, utilizando como referência a base de dados do Banco Mundial, sítios eletrônicos e artigos sobre o assunto, publicados entre 2003 e 2011, com a finalidade perceber sob qual ótica têm sido estudados os principais programas de transferência de renda do mundo. Dentre os principais resultados alcançados, merece destaque o fato de, indiferentemente do país ou programa de transferência considerado, a manutenção das crianças na escola e o cuidado com a saúde infantil são condições centrais de inclusão e manutenção da família no sistema de transferência.

  14. Topical antifungal agents: an update.

    Science.gov (United States)

    Diehl, K B

    1996-10-01

    So many topical antifungal agents have been introduced that it has become very difficult to select the proper agent for a given infection. Nonspecific agents have been available for many years, and they are still effective in many situations. These agents include Whitfield's ointment, Castellani paint, gentian violet, potassium permanganate, undecylenic acid and selenium sulfide. Specific antifungal agents include, among others, the polyenes (nystatin, amphotericin B), the imidazoles (metronidazole, clotrimazole) and the allylamines (terbinafine, naftifine). Although the choice of an antifungal agent should be based on an accurate diagnosis, many clinicians believe that topical miconazole is a relatively effective agent for the treatment of most mycotic infections. Terbinafine and other newer drugs have primary fungicidal effects. Compared with older antifungal agents, these newer drugs can be used in lower concentrations and shorter therapeutic courses. Studies are needed to evaluate the clinical efficacies and cost advantages of both newer and traditional agents.

  15. Previdência Social : conflitos e consensos

    OpenAIRE

    Faleiros, Vicente de Paula

    2010-01-01

    Este artigo trata da questão da previdência social enquanto uma forma de construção e de desconstrução da coesão social através dos conflitos entre diferentes concepções e estratégias do Estado e das forças sociais, de acordo com seus interesses na definição do modelo e das formas de contribuição e benefícios da Previdência Social. O estudo toma como eixo principal dessa disputa a expressão do déficit prevídenciário no período de 1979 a 2002, salientando que há diferentes propostas tanto entr...

  16. Halon firefighting agents

    International Nuclear Information System (INIS)

    Pope, P.R.; Dalzell, G.A.

    1991-01-01

    This paper examines the current state of the International agreements on the use of halons and the subsequent National and industry approaches to the subject. It examines the definition of Essential Use and gives particular examples to clarify its interpretation. Alternative methods of loss control are reviewed. It does not address alternative active firefighting agents but examines the need for protection in particular areas. It addresses reduction of the hazards and consequences so that the need for protection can be minimized. Practical measures to minimize the installed quantities of halon are described. This covers specifications for new, essential, systems and the short term reduction of inventories in existing systems. The causes of leakage and accidental releases are studied and preventive measures are proposed. The paper concludes with an overview of the current research into replacement agents and the future outlook

  17. Blasting agent package

    Energy Technology Data Exchange (ETDEWEB)

    Fox, R.

    1971-03-17

    A protected preassembled package for blasting agents susceptible to desensitization by water consists of, in combination: (1) an inner rigid and self-supporting tube, the upper end of which is suited to be connected, or attached, to the discharge end of a loading hose for a blasting agent and the lower end of which is open; and (2) a flexible tubular liner made of water-resistant film, having a diameter greater than that of the inner tube and a length at least equal to the desired depth of its insertion into the borehole, the liner being sleeved over the length of the inner tube, the upper end of the liner being attached to the inner tube and the lower end of the liner being closed so as to prevent substantial discharge of the explosive mixture therefrom when the latter is pumped into it. (24 claims)

  18. The social life of cognition.

    Science.gov (United States)

    Korman, Joanna; Voiklis, John; Malle, Bertram F

    2015-02-01

    We begin by illustrating that long before the cognitive revolution, social psychology focused on topics pertaining to what is now known as social cognition: people's subjective interpretations of social situations and the concepts and cognitive processes underlying these interpretations. We then examine two questions: whether social cognition entails characteristic concepts and cognitive processes, and how social processes might themselves shape and constrain cognition. We suggest that social cognition relies heavily on generic cognition but also on unique concepts (e.g., agent, intentionality) and unique processes (e.g., projection, imitation, joint attention). We further suggest that social processes play a prominent role in the development and unfolding of several generic cognitive processes, including learning, attention, and memory. Finally, we comment on the prospects of a recently developing approach to the study of social cognition (social neuroscience) and two potential future directions (computational social cognition and social-cognitive robotics). Copyright © 2014 Elsevier B.V. All rights reserved.

  19. An embodiment effect in computer-based learning with animated pedagogical agents.

    Science.gov (United States)

    Mayer, Richard E; DaPra, C Scott

    2012-09-01

    How do social cues such as gesturing, facial expression, eye gaze, and human-like movement affect multimedia learning with onscreen agents? To help address this question, students were asked to twice view a 4-min narrated presentation on how solar cells work in which the screen showed an animated pedagogical agent standing to the left of 11 successive slides. Across three experiments, learners performed better on a transfer test when a human-voiced agent displayed human-like gestures, facial expression, eye gaze, and body movement than when the agent did not, yielding an embodiment effect. In Experiment 2 the embodiment effect was found when the agent spoke in a human voice but not in a machine voice. In Experiment 3, the embodiment effect was found both when students were told the onscreen agent was consistent with their choice of agent characteristics and when inconsistent. Students who viewed a highly embodied agent also rated the social attributes of the agent more positively than did students who viewed a nongesturing agent. The results are explained by social agency theory, in which social cues in a multimedia message prime a feeling of social partnership in the learner, which leads to deeper cognitive processing during learning, and results in a more meaningful learning outcome as reflected in transfer test performance.

  20. Optimal Sequential Resource Sharing and Exchange in Multi-Agent Systems

    OpenAIRE

    Xiao, Yuanzhang

    2014-01-01

    Central to the design of many engineering systems and social networks is to solve the underlying resource sharing and exchange problems, in which multiple decentralized agents make sequential decisions over time to optimize some long-term performance metrics. It is challenging for the decentralized agents to make optimal sequential decisions because of the complicated coupling among the agents and across time. In this dissertation, we mainly focus on three important classes of multi-agent seq...

  1. Acción pública y desarrollo social en el sureste de México: la Agenda Chiapas-ONU

    Directory of Open Access Journals (Sweden)

    Luis Rodríguez Castillo

    2014-07-01

    Full Text Available En esta colaboración presento diferentes interpretaciones y acciones en torno a la Agenda Chiapas-ONU, sustentada idealmente en los Objetivos de Desarrollo del Milenio. La estrategia de comunicación social del gobierno del estado generó una relación metonímica entre esta política y el programa Ciudades Rurales Sustentables. Desde una perspectiva antropológica, documento los conocimientos y valoraciones, así como los comportamientos de diversos agentes, que se alinean en torno a proyectos a favor o en contra de esas políticas —la Agenda Chiapas-ONU y el programa Ciudades Rurales Sustentables—.

  2. Cookies as agents for community membership

    Science.gov (United States)

    Rodriguez, Idaykis; Goertzen, Renee Michelle; Brewe, Eric; Kramer, Laird

    2013-01-01

    When becoming a member of a community of practice, a novice must adopt certain community norms to participate, and these include the social norms of the group. Using the analytical perspective of Legitimate Peripheral Participation in a Community of Practice, this paper explores the social role of cookies as agents for community participation and membership in a physics research group. We analyze data from an ethnographic case study of a physics research group weekly research meeting. The mentors bring cookies to each meeting and view the cookies as a token of appreciation for the graduate students' work. These cookies take on a subtler role of initiating guests and students into scientific conversations and participation. Via the cookies, members also share personal histories and stories that help members strengthen their membership. The study of social norms in this research group is part of a larger study of physics expert identity development.

  3. NICA: Natural Interaction with a Caring Agent

    Science.gov (United States)

    de Carolis, Berardina; Mazzotta, Irene; Novielli, Nicole

    Ambient Intelligence solutions may provide a great opportunity for elderly people to live longer at home. Assistance and care are delegated to the intelligence embedded in the environment. However, besides considering service-oriented response to the user needs, the assistance has to take into account the establishment of social relations. We propose the use of a robot NICA (as the name of the project Natural Interaction with a Caring Agent) acting as a caring assistant that provides a social interface with the smart home services. In this paper, we introduce the general architecture of the robot's "mind" and then we focus on the need to properly react to affective and socially oriented situations.

  4. The social dominance paradox.

    Science.gov (United States)

    Cook, Jennifer Louise; den Ouden, Hanneke E M; Heyes, Cecilia M; Cools, Roshan

    2014-12-01

    Dominant individuals report high levels of self-sufficiency, self-esteem, and authoritarianism. The lay stereotype suggests that such individuals ignore information from others, preferring to make their own choices. However, the nonhuman animal literature presents a conflicting view, suggesting that dominant individuals are avid social learners, whereas subordinates focus on learning from private experience. Whether dominant humans are best characterized by the lay stereotype or the animal view is currently unknown. Here, we present a "social dominance paradox": using self-report scales and computerized tasks, we demonstrate that socially dominant people explicitly value independence, but, paradoxically, in a complex decision-making task, they show an enhanced reliance (relative to subordinate individuals) on social learning. More specifically, socially dominant people employed a strategy of copying other agents when the agents' responses had a history of being correct. However, in humans, two subtypes of dominance have been identified: aggressive and social. Aggressively dominant individuals, who are as likely to "get their own way" as socially dominant individuals but who do so through the use of aggressive or Machiavellian tactics, did not use social information, even when it was beneficial to do so. This paper presents the first study of dominance and social learning in humans and challenges the lay stereotype in which all dominant individuals ignore others' views. The more subtle perspective we offer could have important implications for decision making in both the boardroom and the classroom. Copyright © 2014 Elsevier Ltd. All rights reserved.

  5. Agent Based Modeling Applications for Geosciences

    Science.gov (United States)

    Stein, J. S.

    2004-12-01

    Agent-based modeling techniques have successfully been applied to systems in which complex behaviors or outcomes arise from varied interactions between individuals in the system. Each individual interacts with its environment, as well as with other individuals, by following a set of relatively simple rules. Traditionally this "bottom-up" modeling approach has been applied to problems in the fields of economics and sociology, but more recently has been introduced to various disciplines in the geosciences. This technique can help explain the origin of complex processes from a relatively simple set of rules, incorporate large and detailed datasets when they exist, and simulate the effects of extreme events on system-wide behavior. Some of the challenges associated with this modeling method include: significant computational requirements in order to keep track of thousands to millions of agents, methods and strategies of model validation are lacking, as is a formal methodology for evaluating model uncertainty. Challenges specific to the geosciences, include how to define agents that control water, contaminant fluxes, climate forcing and other physical processes and how to link these "geo-agents" into larger agent-based simulations that include social systems such as demographics economics and regulations. Effective management of limited natural resources (such as water, hydrocarbons, or land) requires an understanding of what factors influence the demand for these resources on a regional and temporal scale. Agent-based models can be used to simulate this demand across a variety of sectors under a range of conditions and determine effective and robust management policies and monitoring strategies. The recent focus on the role of biological processes in the geosciences is another example of an area that could benefit from agent-based applications. A typical approach to modeling the effect of biological processes in geologic media has been to represent these processes in

  6. Constructing Secure Mobile Agent Systems Using the Agent Operating System

    NARCIS (Netherlands)

    van t Noordende, G.J.; Overeinder, B.J.; Timmer, R.J.; Brazier, F.M.; Tanenbaum, A.S.

    2009-01-01

    Designing a secure and reliable mobile agent system is a difficult task. The agent operating system (AOS) is a building block that simplifies this task. AOS provides common primitives required by most mobile agent middleware systems, such as primitives for secure communication, secure and

  7. Logics for Intelligent Agents and Multi-Agent Systems

    NARCIS (Netherlands)

    Meyer, John-Jules Charles

    2014-01-01

    This chapter presents the history of the application of logic in a quite popular paradigm in contemporary computer science and artificial intelligence, viz. the area of intelligent agents and multi-agent systems. In particular we discuss the logics that have been used to specify single agents, the

  8. You Look Human, But Act Like a Machine: Agent Appearance and Behavior Modulate Different Aspects of Human–Robot Interaction

    OpenAIRE

    Abubshait, Abdulaziz; Wiese, Eva

    2017-01-01

    Gaze following occurs automatically in social interactions, but the degree to which gaze is followed depends on whether an agent is perceived to have a mind, making its behavior socially more relevant for the interaction. Mind perception also modulates the attitudes we have toward others, and determines the degree of empathy, prosociality, and morality invested in social interactions. Seeing mind in others is not exclusive to human agents, but mind can also be ascribed to non-human agents lik...

  9. Analise dos efeitos de diferentes parametros na estabilidade de vitamina C em vegetais processados

    OpenAIRE

    Marta de Toledo Benassi

    1990-01-01

    Resumo: O trabalho foi conduzido no sentido de se estudar a estabilidade e verificar a cinética de perda de vitamina C em diferentes processos, utilizando-se como, matéria prima, vegetais selecionados: couve, couve-flor e pimentão. Foram feitos diferentes tipos de cozimento (água, vapor e microondas) e estocagem (temperatura ambiente, refrigerada e congelada), variando-se os tempos e condições de processamento. Foi constatado que as perdas de vitamina C nos produtos, durante o cozimento em ág...

  10. Perfil lipídico tecidual de ratos alimentados com diferentes fontes lipídicas

    OpenAIRE

    Almeida,Martha Elisa Ferreira de; Queiroz,José Humberto de; Queiroz,Maria Eliana Lopes Ribeiro de; Costa,Neuza Maria Brunoro; Matta,Sérgio Luis Pinto

    2009-01-01

    OBJETIVO:Determinar se fontes lipídicas com diferentes razões de ácidos graxos insaturados e saturados (PUFA+MUFA)/SFA na dieta altera o perfil lipídico tecidual, a concentração de lipídios (mg/g) dos tecidos hepáticos e mesentérico e a digestibilidade lipídica. MÉTODOS: Foi realizada cromatografia gasosa para determinar o perfil de ácidos graxos nos tecidos hepático e adiposo de ratos alimentados com diferentes fontes lipídicas. O coeficiente de digestibilidade foi determinado a partir da re...

  11. Jovens de Santo André, SP, Brasil: Um estudo sobre valores em diferentes grupos sociais

    OpenAIRE

    Sheila Aparecida Ferreira Lachtim

    2010-01-01

    Esta dissertação se propõe a: apreender valores sociais contemporâneos, notadamente aqueles referidos ao consumo de drogas, discutir diferenças entre esses valores nos diferentes grupos sociais; e analisar possíveis relações entre esses valores. Trata-se de um estudo qualitativo de caráter exploratório, descritivo e analítico que utilizou um roteiro de entrevista semi-estruturada para apreensão do objeto. Um total de 86 jovens participou, de diferentes regiões do município de Santo André, SP,...

  12. Social Sensorimotor Contingencies

    OpenAIRE

    Bütepage, Judith

    2016-01-01

    As the field of robotics advances, more robots are employed in our everyday environment. Thus, the implementation of robots that can actively engage in physical collaboration and naturally interact with humans is of high importance. In order to achieve this goal, it is necessary to study human interaction and social cognition and how these aspects can be implemented in robotic agents. The theory of social sensorimotor contingencies hypothesises that many aspects of human-human interaction de...

  13. Active Learning for Autonomous Intelligent Agents: Exploration, Curiosity, and Interaction

    OpenAIRE

    Lopes, Manuel; Montesano, Luis

    2014-01-01

    In this survey we present different approaches that allow an intelligent agent to explore autonomous its environment to gather information and learn multiple tasks. Different communities proposed different solutions, that are in many cases, similar and/or complementary. These solutions include active learning, exploration/exploitation, online-learning and social learning. The common aspect of all these approaches is that it is the agent to selects and decides what information to gather next. ...

  14. Presença de Streptococcus mutans e Streptococcus mutans associado a Streptococcus sobrinus em escolares de diferentes classes sócio-econômicas e sua relação com a atividade cariogênica dessas populações Association between Streptococcus mutans/Streptococcus sobrinus in students of different social levels and their relationship with the cariogenic activity in these populations

    Directory of Open Access Journals (Sweden)

    José Francisco HÖFLING

    1999-04-01

    Full Text Available As espécies de estreptococos do grupo mutans mais predominantemente isoladas de amostras salivares têm sido S. mutans e S. sobrinus. A detecção desses microrganismos em escolares de diferentes classes sócio-econômicas e sua relação com a atividade cariogênica dessas populações foi estudada, em correlação com os parâmetros clínicos CPOD, CPOS, ceo e ceos. Duzentos (200 escolares pertencentes a cinco categorias sócio-econômicas foram separados em subgrupos de acordo com as espécies de microrganismos identificadas em suas amostras salivares. Do total de crianças analisadas, 103 (51,0% apresentaram apenas S. mutans na saliva, 33 (17,0% a associação S. mutans/S. sobrinus, e o restante, 64 (32,0%, outras espécies do grupo mutans (individualmente ou em associação. Nos subgrupos S. mutans e S. mutans/S. sobrinus 79,0% (81 e 76,0% (25, respectivamente, apresentavam cárie dentária, sugerindo um alto índice cariogênico. Para os indivíduos colonizados por S. mutans/S. sobrinus e apenas S. mutans, obtiveram-se valores médios de 9,40 e 6,70, respectivamente, para o índice de ceos, sugerindo que a associação S. mutans/S. sobrinus é potencialmente mais cariogênica que a colonização apenas por S. mutans.The group mutans streptococci, more predominantly isolated of salivary samples, have been the S. mutans and S. mutans/S. sobrinus. The detection of these microorganisms in students of different socio-economic levels and their relationship with the cariogenic activity of these populations was studied, correlating them with the clinical parameters DMFT, DMFS, dmf and dmfs. Two hundred (200 students belonging to five socio-economic levels were distributed in sub-groups, according to the species of microorganisms identified in their salivaries samples. Of all children analysed, 103 (51.0% presented only S. mutans in the saliva, 33 (17.0% the association S. mutans/S. sobrinus, and 64 (32.0%, other group mutans species (individually

  15. Three-agent Peer Evaluation

    OpenAIRE

    Vicki Knoblauch

    2008-01-01

    I show that every rule for dividing a dollar among three agents impartially (so that each agent's share depends only on her evaluation by her associates) underpays some agent by at least one-third of a dollar for some consistent profile of evaluations. I then produce an impartial division rule that never underpays or overpays any agent by more than one-third of a dollar, and for most consistent evaluation profiles does much better.

  16. Agent control of cooperating satellites

    OpenAIRE

    Lincoln, N.K.; Veres, S.M.; Dennis, Louise; Fisher, Michael; Lisitsa, Alexei

    2011-01-01

    A novel, hybrid, agent architecture for (small)swarms of satellites has been developed. The software architecture for each satellite comprises ahigh-level rational agent linked to a low-level control system. The rational agent forms dynamicgoals, decides how to tackle them and passes theactual implementation of these plans to the control layer. The rational agent also has access to aMatLabmodel of the satellite dynamics, thus allowing it to carry out selective hypothetical reasoningabout pote...

  17. Usuarios científicos y redes sociales. Recomendaciones para estar en una red social

    OpenAIRE

    Toboso, Aurora

    2012-01-01

    Las redes sociales son, hoy en día, casi omnipresentes y España ya se ha convertido en el 5º país del mundo donde más se utilizan. Antes de ponernos a abrir un perfil y publicar contenido en las diferentes redes sociales, deberíamos reflexionar primero por qué queremos estar en estas redes sociales y cuál es el objetivo que queremos conseguir. Estar en una red social es muy sencillo, lo difícil es estar con la orientación adecuada, mantener el perfil y crear conversación. Utilizamos las...

  18. Building an Educational Program together health community agents

    Directory of Open Access Journals (Sweden)

    Lúcia Rondelo Duarte

    2007-01-01

    Full Text Available Aiming at contributing inputs to the learning process of community health agents from Family Health Strategy, this study has sought to devise an Educational Program to qualify seven community agents from the Family Health Unit on Habiteto, a neighborhood in the Brazilian city of Sorocaba. Speeches on the perception these agents have of their work, their difficulties and proposals were captured and analyzed within the framework of the "Collective Subject Speech". Results showed the group's learning needs, and guided the devising and implementation of the Educational Program, which adopted the "Problem-Based Education" model. This knowledge was built by the agents through a problem-focused reality, debating, searching for solutions, and implementing intervention projects. They noticed that being a community health agent means, above all, to struggle and harness community forces for purposes of defending health & education public services and for improving social health determinants.

  19. La construcción social del género desde la perspectiva de la Teoría de la Identidad Social

    Directory of Open Access Journals (Sweden)

    Edgardo Etchezahar

    2014-01-01

    Full Text Available El objetivo principal de este trabajo fue analizar los diferentes procesos psicológicos involucrados en la construcción de género a partir de la Teoría de la Identidad Social. En primer lugar, se analiza cómo los individuos mantienen su autoestima a partir de la identificación con diferentes grupos sociales, a la vez que opera el pensamiento categorial en el plano cognitivo para el análisis del mundo social. Posteriormente, se examinan los diferentes procesos de atribución causal, representados por los sesgos de homogeneidad del exogrupo y favoritismo endogrupal, para el análisis de la cons - trucción de la identidad social de género. Finalmente, se presentan las limitaciones de la teoría y su posible complementariedad con la teoría del rol de género.

  20. One-parent family as agent of socialization: interrelation of mother’s conception of child’s psychological well-being and her strategies of coping with difficulties

    Directory of Open Access Journals (Sweden)

    Belinskaya E.P.

    2016-09-01

    Full Text Available The article is devoted to the issue of psychological characteristics of one-parent families. The family, in which a child is brought by one parent, now is becoming an important independent object of socio-psychological research. According to authors’ opinion, the subject of importance is not only the specifics of individual psychologi- cal characteristics of single-parent families, but also the interaction of these impor- tant characteristics. The authors chose the following socio-psychological variables for investigation: the mother’s perception of psychological well-being of her child, the nature of her coping strategies and style of upbringing. The authors revealed a variety of social and psychological characteristics of single-parent families. Thus, the parent strategy of positive reformulation of problems is involved as a way to see the positive aspects of the situation in the family and the relationship with the child on case of the lack of consistency in style of education and lack of inhibitions; and active coping strategies — with a focus on promotion rather than punishment in the child's behavior regulation. This work was supported by the Russian Science Foundation, project № 14-18-00598 «Patterns and mechanisms of positive socialization in modern children and teenagers».

  1. O turismo como agente de desenvolvimento social e a comunidade Guarani nas “Ruínas Jesuíticas de São Miguel das Missões”

    Directory of Open Access Journals (Sweden)

    Guerreiro Marcon, Elza Maria

    2007-01-01

    Full Text Available The expansion of the touristic activity has given place a new reflection about the process of local and regional development that tourism produces, for it has capacity of increasing profit in the regions where it occurs. Taking into account that the cultural tourism is an agent of development, this article deals with the trajectory of the Guarani Mbya community from 1988 to 2003 in the county of São Miguel das Missões, in the state of Rio Grande do Sul, where the touristic attraction is the “Jesuitic Ruins of Saint Michael of the Missions”. The article tries to identify the benefits wich the community has had, due to the local touristic activity. It was confirmed that the Guarani, as a result of this activity, are now the owners of the land and that their permanence in the Inhacapetum reserve is a way of showing the development factor in this analized period of time and the role that touristic activity has had in their lives. Even though the State of Rio Grande do Sul has claimed it is the responsible for all this ac-complishment, this isn’t confirmed. Citizens related to the local government where the indian settlement is located, are main responsibles for the benefits reached by the Guarani community

  2. Chemical warfare agents

    Directory of Open Access Journals (Sweden)

    Vijayaraghavan R

    2010-01-01

    Full Text Available Among the Weapons of Mass Destruction, chemical warfare (CW is probably one of the most brutal created by mankind in comparison with biological and nuclear warfare. Chemical weapons are inexpensive and are relatively easy to produce, even by small terrorist groups, to create mass casualties with small quantities. The characteristics of various CW agents, general information relevant to current physical as well as medical protection methods, detection equipment available and decontamination techniques are discussed in this review article. A brief note on Chemical Weapons Convention is also provided.

  3. Chemical warfare agents

    Science.gov (United States)

    Ganesan, K.; Raza, S. K.; Vijayaraghavan, R.

    2010-01-01

    Among the Weapons of Mass Destruction, chemical warfare (CW) is probably one of the most brutal created by mankind in comparison with biological and nuclear warfare. Chemical weapons are inexpensive and are relatively easy to produce, even by small terrorist groups, to create mass casualties with small quantities. The characteristics of various CW agents, general information relevant to current physical as well as medical protection methods, detection equipment available and decontamination techniques are discussed in this review article. A brief note on Chemical Weapons Convention is also provided. PMID:21829312

  4. Social Phobia

    Science.gov (United States)

    ... Staying Safe Videos for Educators Search English Español Social Phobia KidsHealth / For Teens / Social Phobia What's in ... an anxiety condition called social phobia. What Is Social Phobia? Social phobia (also called social anxiety ) is ...

  5. Modeling and simulating human teamwork behaviors using intelligent agents

    Science.gov (United States)

    Fan, Xiaocong; Yen, John

    2004-12-01

    Among researchers in multi-agent systems there has been growing interest in using intelligent agents to model and simulate human teamwork behaviors. Teamwork modeling is important for training humans in gaining collaborative skills, for supporting humans in making critical decisions by proactively gathering, fusing, and sharing information, and for building coherent teams with both humans and agents working effectively on intelligence-intensive problems. Teamwork modeling is also challenging because the research has spanned diverse disciplines from business management to cognitive science, human discourse, and distributed artificial intelligence. This article presents an extensive, but not exhaustive, list of work in the field, where the taxonomy is organized along two main dimensions: team social structure and social behaviors. Along the dimension of social structure, we consider agent-only teams and mixed human-agent teams. Along the dimension of social behaviors, we consider collaborative behaviors, communicative behaviors, helping behaviors, and the underpinning of effective teamwork-shared mental models. The contribution of this article is that it presents an organizational framework for analyzing a variety of teamwork simulation systems and for further studying simulated teamwork behaviors.

  6. The value of less connected agents in Boolean networks

    Science.gov (United States)

    Epstein, Daniel; Bazzan, Ana L. C.

    2013-11-01

    In multiagent systems, agents often face binary decisions where one seeks to take either the minority or the majority side. Examples are minority and congestion games in general, i.e., situations that require coordination among the agents in order to depict efficient decisions. In minority games such as the El Farol Bar Problem, previous works have shown that agents may reach appropriate levels of coordination, mostly by looking at the history of past decisions. Not many works consider any kind of structure of the social network, i.e., how agents are connected. Moreover, when structure is indeed considered, it assumes some kind of random network with a given, fixed connectivity degree. The present paper departs from the conventional approach in some ways. First, it considers more realistic network topologies, based on preferential attachments. This is especially useful in social networks. Second, the formalism of random Boolean networks is used to help agents to make decisions given their attachments (for example acquaintances). This is coupled with a reinforcement learning mechanism that allows agents to select strategies that are locally and globally efficient. Third, we use agent-based modeling and simulation, a microscopic approach, which allows us to draw conclusions about individuals and/or classes of individuals. Finally, for the sake of illustration we use two different scenarios, namely the El Farol Bar Problem and a binary route choice scenario. With this approach we target systems that adapt dynamically to changes in the environment, including other adaptive decision-makers. Our results using preferential attachments and random Boolean networks are threefold. First we show that an efficient equilibrium can be achieved, provided agents do experimentation. Second, microscopic analysis show that influential agents tend to consider few inputs in their Boolean functions. Third, we have also conducted measurements related to network clustering and centrality

  7. Uma análise semiótico-sistêmica de diferentes ecologias desenvolvimentais da juventude Un análisis semiótico-sistémico de diferentes ecologías del desarrollo de la juventud A semiotic-systemic analyze of different youth developmental ecologies

    Directory of Open Access Journals (Sweden)

    Mirela Figueiredo Santos Iriart

    2007-08-01

    Full Text Available Este estudo se propôs a descrever e analisar diferentes contextos da juventude em Salvador: uma escola pública, um projeto Social (ONG e um Centro de atendimento sócio-educativo para adolescentes em conflito com a lei, quanto (a às possibilidades de participação, (b aos mecanismos de inclusão oferecidos/construídos e (c aos posicionamentos atribuídos/assumidos pelos jovens. Foram entrevistados coordenadores e educadores e realizados grupos focais com 7 a 16 adolescentes. Cada contexto foi analisado a partir da noção de redes de significações onde os sujeitos co-constroem sentidos e posicionamentos. Os contextos foram descritos, metaforicamente, como Rede Continente; Rede Vazada e Rede Aprisionadora e apontaram para diferentes formas de inserção e níveis de participação. Os níveis de permeabilidade dos contextos se constituem numa instância mediadora que realiza e ativa o processo de inclusão-exclusão social. Observou-se uma demanda dos jovens pela ampliação das oportunidades de inserção e de participação social e política, considerando-se suas desigualdades.Este estudio se propone describir y analizar diferentes contextos de la juventud en Salvador (Bahía-Brasil: una escuela pública, un proyecto social (ONG y un Centro de Atención Socio-Educativa para adolescentes en conflicto con la ley, en lo que concierne a las posibilidades de participación, b los mecanismos de inclusión ofrecidos/construidos y c los posicionamientos atribuidos/asumidos por los jóvenes. Fueron entrevistados coordinadores y educadores y realizados grupos focales con un número de 7 a 16 adolescentes. Cada contexto fue analizado a partir de la noción de redes de significados donde los sujetos co-construyen sentidos y posicionamientos. Los contextos fueron descritos metafóricamente como Red Continente; Red Ahuecada y Red Encerradora, y apuntaron diferentes formas de inserción y niveles de participación. Los niveles de permeabilidad de los

  8. Knowledge exchange between agents in real-time environments

    DEFF Research Database (Denmark)

    Frisvad, Jeppe Revall; Falster, Peter; Møller, Gert Lykke

    2005-01-01

    To obtain unpredictable social interaction between autonomous agents in real-time environments, we present a simple method for logic-based knowledge exchange. A method which is able to form new knowledge rather than do simple exchange of particular rules found in predetermined rule sets. The appl......To obtain unpredictable social interaction between autonomous agents in real-time environments, we present a simple method for logic-based knowledge exchange. A method which is able to form new knowledge rather than do simple exchange of particular rules found in predetermined rule sets...

  9. Climate Change and the Representative Agent

    Energy Technology Data Exchange (ETDEWEB)

    Howarth, R.B. [Environmental Studies Program, Dartmouth College, Hanover, New Hampshire 03755 (United States)

    2000-02-01

    The artifice of an infinitely-lived representative agent is commonly invoked to balance the present costs and future benefits of climate stabilization policies. Since actual economies are populated by overlapping generations of finite-lived persons, this approach begs important questions of welfare aggregation. This paper compares the results of representative agent and overlapping generations models that are numerically calibrated based on standard assumptions regarding climate economy interactions. Under two social choice rules - Pareto efficiency and classical utilitarianism - the models generate closely similar simulation results. In the absence of policies to redistribute income between present and future generations, efficient rates of carbon dioxide emissions abatement rise from 15 to 20% between the years 2000 and 2105. Under classical utilitarianism, in contrast, optimal control rates rise from 48 to 79% this same period. 23 refs.

  10. Holograms as Teaching Agents

    Science.gov (United States)

    Walker, Robin A.

    2013-02-01

    Hungarian physicist Dennis Gabor won the Pulitzer Prize for his 1947 introduction of basic holographic principles, but it was not until the invention of the laser in 1960 that research scientists, physicians, technologists and the general public began to seriously consider the interdisciplinary potentiality of holography. Questions around whether and when Three-Dimensional (3-D) images and systems would impact American entertainment and the arts would be answered before educators, instructional designers and students would discover how much Three-Dimensional Hologram Technology (3DHT) would affect teaching practices and learning environments. In the following International Symposium on Display Holograms (ISDH) poster presentation, the author features a traditional board game as well as a reflection hologram to illustrate conventional and evolving Three-Dimensional representations and technology for education. Using elements from the American children's toy Operation® (Hasbro, 2005) as well as a reflection hologram of a human brain (Ko, 1998), this poster design highlights the pedagogical effects of 3-D images, games and systems on learning science. As teaching agents, holograms can be considered substitutes for real objects, (human beings, organs, and animated characters) as well as agents (pedagogical, avatars, reflective) in various learning environments using many systems (direct, emergent, augmented reality) and electronic tools (cellphones, computers, tablets, television). In order to understand the particular importance of utilizing holography in school, clinical and public settings, the author identifies advantages and benefits of using 3-D images and technology as instructional tools.

  11. Amphoteric surface active agents

    Directory of Open Access Journals (Sweden)

    Eissa, A.M. F.

    1995-10-01

    Full Text Available 2-[trimethyl ammonium, triethyl ammonium, pyridinium and 2-amino pyridinium] alkanoates, four series of surface active agents containing carbon chain C12, C14, C16 and C18carbon atoms, were prepared. Their structures were characterized by microanalysis, infrared (IR and nuclear magnetic resonance (NMR. Surface and interfacial tension, Krafft point, wetting time, emulsification power, foaming height and critical micelle concentration (cmc were determined and a comparative study was made between their chemical structure and surface active properties. Antimicrobial activity of these surfactants was also determined.

    Se prepararon cuatro series de agentes tensioactivos del tipo 2-[trimetil amonio, trietil amonio, piridinio y 2-amino piridinio] alcanoatos, que contienen cadenas carbonadas con C12, C14, C16 y C18 átomos de carbono.
    Se determinaron la tensión superficial e interfacial, el punto de Krafft, el tiempo humectante, el poder de emulsionamiento, la altura espumante y la concentración critica de miscela (cmc y se hizo un estudio comparativo entre la estructura química y sus propiedades tensioactivas. Se determinó también la actividad antimicrobiana de estos tensioactivos. Estas estructuras se caracterizaron por microanálisis, infrarrojo (IR y resonancia magnética nuclear (RMN.

  12. [New agents for hypercholesterolemia].

    Science.gov (United States)

    Pintó, Xavier; García Gómez, María Carmen

    2016-02-19

    An elevated proportion of high cardiovascular risk patients do not achieve the therapeutic c-LDL goals. This owes to physicians' inappropriate or insufficient use of cholesterol lowering medications or to patients' bad tolerance or therapeutic compliance. Another cause is an insufficient efficacy of current cholesterol lowering drugs including statins and ezetimibe. In addition, proprotein convertase subtilisin kexin type 9 inhibitors are a new cholesterol lowering medications showing safety and high efficacy to reduce c-LDL in numerous already performed or underway clinical trials, potentially allowing an optimal control of hypercholesterolemia in most patients. Agents inhibiting apolipoprotein B synthesis and microsomal transfer protein are also providing a new potential to decrease cholesterol in patients with severe hypercholesterolemia and in particular in homozygote familial hypercholesterolemia. Last, cholesteryl ester transfer protein inhibitors have shown powerful effects on c-HDL and c-LDL, although their efficacy in cardiovascular prevention and safety has not been demonstrated yet. We provide in this article an overview of the main characteristics of therapeutic agents for hypercholesterolemia, which have been recently approved or in an advanced research stage. Copyright © 2015 Elsevier España, S.L.U. All rights reserved.

  13. Social Cognition Unbound: Insights Into Anthropomorphism and Dehumanization.

    Science.gov (United States)

    Waytz, Adam; Epley, Nicholas; Cacioppo, John T

    2010-02-01

    People conceive of wrathful gods, fickle computers, and selfish genes, attributing human characteristics to a variety of supernatural, technological, and biological agents. This tendency to anthropomorphize nonhuman agents figures prominently in domains ranging from religion to marketing to computer science. Perceiving an agent to be humanlike has important implications for whether the agent is capable of social influence, accountable for its actions, and worthy of moral care and consideration. Three primary factors-elicited agent knowledge, sociality motivation, and effectance motivation-appear to account for a significant amount of variability in anthropomorphism. Identifying these factors that lead people to see nonhuman agents as humanlike also sheds light on the inverse process of dehumanization, whereby people treat human agents as animals or objects. Understanding anthropomorphism can contribute to a more expansive view of social cognition that applies social psychological theory to a wide variety of both human and nonhuman agents.

  14. Agenda digital: e-Servicios sociales

    OpenAIRE

    Munuera Gómez, Pilar

    2016-01-01

    Se presentan las líneas marcadas por la Agenda Digital Europea que pueden incorporarse en el sistema público de servicios sociales a través de la utilización de las Tecnologías de la Información y las Comunicaciones (TIC). Los objetivos marcados en sus planes pretenden mejorar las relaciones de los ciudadanos con las diferentes administraciones públicas. Los sistemas de protección social (seguridad social, educación, sanidad y empleo) han iniciado este proceso alcanzado grandes mejoras en ...

  15. O ambiente macroeconômico e o bem-estar social: uma revisão bibliográfica sobre relações e controvérsias

    Directory of Open Access Journals (Sweden)

    Ricardo Agostini Martini

    2013-08-01

    Full Text Available De acordo com estudos recentes, sabe-se que os choques nas variáveis agregadas implicam em impactos diferenciados sobre o sistema econômico, afetando mais alguns setores ou agentes do que outros de acordo com suas as características. Teoricamente, os mecanismos que diferenciam os efeitos dos choques entre os agentes e os setores da economia são as variações de preços relativos dos diferentes produtos e fatores de produção, a variação da demanda por mão de obra, as características dos trabalhadores e o direcionamento das políticas públicas vigentes. Nesse sentido, mediante uma revisão bibliográfica teórica e empírica sobre a relação entre o desempenho macroeconômico dos países e o bem-estar social, o objetivo do presente artigo é procurar respostas para três questões. Primeira: quais são os agentes econômicos que mais sofrem as recessões? Segunda: quais são os agentes que mais se beneficiam do crescimento econômico? Terceira: quais são as políticas relacionadas com a administração macroeconômica dos problemas sociais?

  16. Monotonicity of social welfare optima

    DEFF Research Database (Denmark)

    Hougaard, Jens Leth; Østerdal, Lars Peter Raahave

    2010-01-01

    This paper considers the problem of maximizing social welfare subject to participation constraints. It is shown that for an income allocation method that maximizes a social welfare function there is a monotonic relationship between the incomes allocated to individual agents in a given coalition...

  17. Naive Theories of Social Groups

    Science.gov (United States)

    Rhodes, Marjorie

    2012-01-01

    Four studies examined children's (ages 3-10, Total N = 235) naive theories of social groups, in particular, their expectations about how group memberships constrain social interactions. After introduction to novel groups of people, preschoolers (ages 3-5) reliably expected agents from one group to harm members of the other group (rather than…

  18. Social Movements and Institutions

    Directory of Open Access Journals (Sweden)

    Maria Francisca Pinheiro Coelho

    2017-04-01

    Full Text Available Abstract This study approaches the relationship between social movements and institutions in Brazil concerning three different stages of the process of re-democratization: the political transition; the National Constituent Assembly; and the new Constitutional Order. The general question is: what is the interface, reciprocity or conflict, between social movements and institutions in this context of social change? The paper examines the different roles of social movements and institutions in each specific period: in the pre-democratization moment, the movement for direct elections for president, Diretas-Já, is analyzed; in the National Constituent Assembly, the movement in defense for free public education is examined;  in the new constitutional order, the pro-reform political movement is studied.  The work focuses on the scope of the studies on social movements and democracy.  It belongs to the field of the studies about the representativeness and legitimacy of the demands of social movements in the context of democracy and its challenges. Key words: social movement, institution, reciprocity, conflict, democracy.   Social Movements and Institutions                               Resumen El estudio aborda la relación entre los movimientos sociales e instituciones en Brasil en tres etapas diferentes del proceso de redemocratización en las últimas décadas: la transición política; la Asamblea Nacional Constituyente; y el nuevo orden constitucional. La pregunta general es: ¿cuál es la relación, la reciprocidad o el conflito, entre los movimientos sociales y las instituciones en este contexto de cambio social? El artículo examina los diferentes roles de los movimientos sociales e instituciones en cada período específico: en el momento de la transición política analiza el movimiento de las elecciones directas para presidente, las Diretas-Já; en la Asamblea Nacional Constituyente aborda el movimiento en

  19. Autoformación: una perspectiva diferente Self-formation: a different perspective

    Directory of Open Access Journals (Sweden)

    Ángel García del Dujo

    2007-12-01

    Full Text Available El objetivo de este trabajo es el de mostrar que una de las competencias que hoy día deben fomentarse, si queremos responder realmente a las demandas laborales desde una perspectiva socioeducativa, es la de la autoformación. Nadie pone en duda que el modelo de desarrollo que se pretende implementar en la sociedad actual requiere una mayor masa formativa, un mayor nivel de formación en cada individuo. No obstante, pensamos que también requiere un modelo de formación, sino diferente sí, al menos, complementario. Más allá de una pedagogía individualista, mentalista, aislacionista y abstracta, basada en una lógica de conocimientos e instituciones, pensamos que el sistema formativo debe recuperar una visión más social y global de los procesos de producción y de la vida. Una lógica que esté apoyada en los modos de acción que tienen lugar en el mundo de la vida y del trabajo. Sobreponiéndonos a los simples listados de competencias, nos hemos preguntado por la forma como se generan, adquieren y desarrollan las competencias, concluyendo que el enfoque de la autoformación responde no sólo a determinadas tendencias económicas sino a las transformaciones que viene conociendo la sociedad en la última década. Teniendo en cuenta que el ser humano es algo más que un nódulo productivo, laboral, y la autofor-mación es una característica que se predica del sujeto en cuanto tal, en su totalidad y en relación con su entorno, concluimos el trabajo presentando la autoformación como competencia clave y como modelo de formación para la sociedad del siglo XXI.The objective of this work is to show that one of the competences that nowadays must be fostered, if we really want to respond to the demands for workforce from a socioeducational perspective, is that of self-formation. There is little doubt that the development model that society currently wants to implement requires a larger formative volume, a higher level of formation of each

  20. Multiscale agent-based cancer modeling.

    Science.gov (United States)

    Zhang, Le; Wang, Zhihui; Sagotsky, Jonathan A; Deisboeck, Thomas S

    2009-04-01

    Agent-based modeling (ABM) is an in silico technique that is being used in a variety of research areas such as in social sciences, economics and increasingly in biomedicine as an interdisciplinary tool to study the dynamics of complex systems. Here, we describe its applicability to integrative tumor biology research by introducing a multi-scale tumor modeling platform that understands brain cancer as a complex dynamic biosystem. We summarize significant findings of this work, and discuss both challenges and future directions for ABM in the field of cancer research.