WorldWideScience

Sample records for browsing

  1. Cooperative Mobile Web Browsing

    Directory of Open Access Journals (Sweden)

    Zhang Q

    2009-01-01

    Full Text Available This paper advocates a novel approach for mobile web browsing based on cooperation among wireless devices within close proximity operating in a cellular environment. In the actual state of the art, mobile phones can access the web using different cellular technologies. However, the supported data rates are not sufficient to cope with the ever increasing traffic requirements resulting from advanced and rich content services. Extending the state of the art, higher data rates can only be achieved by increasing complexity, cost, and energy consumption of mobile phones. In contrast to the linear extension of current technology, we propose a novel architecture where mobile phones are grouped together in clusters, using a short-range communication such as Bluetooth, sharing, and accumulating their cellular capacity. The accumulated data rate resulting from collaborative interactions over short-range links can then be used for cooperative mobile web browsing. By implementing the cooperative web browsing on commercial mobile phones, it will be shown that better performance is achieved in terms of increased data rate and therefore reduced access times, resulting in a significantly enhanced web browsing user experience on mobile phones.

  2. Cooperative Mobile Web Browsing

    DEFF Research Database (Denmark)

    Perrucci, GP; Fitzek, FHP; Zhang, Qi

    2009-01-01

    This paper advocates a novel approach for mobile web browsing based on cooperation among wireless devices within close proximity operating in a cellular environment. In the actual state of the art, mobile phones can access the web using different cellular technologies. However, the supported data...... extension of current technology, we propose a novel architecture where mobile phones are grouped together in clusters, using a short-range communication such as Bluetooth, sharing, and accumulating their cellular capacity. The accumulated data rate resulting from collaborative interactions over short...... rates are not sufficient to cope with the ever increasing trafic requirements resulting from advanced and rich content services. Extending the state of the art, higher data rates can only be achieved by increasing complexity, cost, and energy consumption of mobile phones. In contrast to the linear...

  3. Active browsing using similarity pyramids

    Science.gov (United States)

    Chen, Jau-Yuen; Bouman, Charles A.; Dalton, John C.

    1998-12-01

    In this paper, we describe a new approach to managing large image databases, which we call active browsing. Active browsing integrates relevance feedback into the browsing environment, so that users can modify the database's organization to suit the desired task. Our method is based on a similarity pyramid data structure, which hierarchically organizes the database, so that it can be efficiently browsed. At coarse levels, the similarity pyramid allows users to view the database as large clusters of similar images. Alternatively, users can 'zoom into' finer levels to view individual images. We discuss relevance feedback for the browsing process, and argue that it is fundamentally different from relevance feedback for more traditional search-by-query tasks. We propose two fundamental operations for active browsing: pruning and reorganization. Both of these operations depend on a user-defined relevance set, which represents the image or set of images desired by the user. We present statistical methods for accurately pruning the database, and we propose a new 'worm hole' distance metric for reorganizing the database, so that members of the relevance set are grouped together.

  4. Anonymous Web Browsing and Hosting

    Directory of Open Access Journals (Sweden)

    MANOJ KUMAR

    2013-02-01

    Full Text Available In today’s high tech environment every organization, individual computer users use internet for accessing web data. To maintain high confidentiality and security of the data secure web solutions are required. In this paper we described dedicated anonymous web browsing solutions which makes our browsing faster and secure. Web application which play important role for transferring our secret information including like email need more and more security concerns. This paper also describes that how we can choose safe web hosting solutions and what the main functions are which provides more security over server data. With the browser security network security is also important which can be implemented using cryptography solutions, VPN and by implementing firewalls on the network. Hackers always try to steal our identity and data, they track our activities using the network application software’s and do harmful activities. So in this paper we described that how we can monitor them from security purposes.

  5. Shrub control by browsing: Targeting adult plants

    Science.gov (United States)

    da Silveira Pontes, Laíse; Magda, Danièle; Gleizes, Benoît; Agreil, Cyril

    2016-01-01

    Reconciling the well known benefits of shrubs for forage with environmental goals, whilst preventing their dominance, is a major challenge in rangeland management. Browsing may be an economical solution for shrubby rangelands as herbivore browsing has been shown to control juvenile shrub growth. Less convincing results have been obtained for adult plants, and long-term experiments are required to investigate the cumulative effects on adult plants. We therefore assessed the impact of different levels of browsing intensity on key demographic parameters for a major dominant shrub species (broom, Cytisus scoparius), focusing on adult plants. We assigned individual broom plants to one of three age classes: 3-5 years (young adults); 5-7 years (adults); and 7-9 years (mature adults). These plants were then left untouched or had 50% or 90% of their total edible stem biomass removed in simulated low-intensity and high-intensity browsing treatments, respectively. Morphological, survival and fecundity data were collected over a period of four years. Browsing affected the morphology of individual plants, promoting changes in subsequent regrowth, and decreasing seed production. The heavily browsed plants were 17% shorter, 32% narrower, and their twigs were 28% shorter. Light browsing seemed to control the growth of young adult plants more effectively than that of older plants. Reproductive output was considerably lower than for control plants after light browsing, and almost 100% lower after heavy browsing. High-intensity browsing had a major effect on survival causing high levels of plant mortality. We conclude that suitable browsing practices could be used to modify adult shrub demography in the management of shrub dominance and forage value.

  6. Secure Environment for Internet Browsing

    Directory of Open Access Journals (Sweden)

    Alexandru Tudor Gavrilescu

    2014-03-01

    Full Text Available The Internet is used by a large proportion of the population, but unfortunately their education regarding the usage of the instruments available is poor, resulting in potential informational frauds, especially in the financial field.In this article I have approached a few simple problems, yet very important and frequently occurred, regarding the secure environment for Internet browsing, proposing solutions for each of them. The security methods are: anti-phishing; the prevention of SQL injection, through the verification of the data given as input in the Address Bar and in the password fields and blocking the access in case of a potential threat; a virtual keyboard for preventing the recording of the keys pressed (key loggers; the backup of the credentials in a local file and the encryption of it to prevent unauthorized access, the decryption of the data is made using a unique encryption key, owned by the user.

  7. Indexing, Browsing, and Searching of Digital Video.

    Science.gov (United States)

    Smeaton, Alan F.

    2004-01-01

    Presents a literature review that covers the following topics related to indexing, browsing, and searching of digital video: video coding and standards; conventional approaches to accessing digital video; automatically structuring and indexing digital video; searching, browsing, and summarization; measurement and evaluation of the effectiveness of…

  8. Browse quality and the Kenai moose population

    Data.gov (United States)

    US Fish and Wildlife Service, Department of the Interior — This report covers the browse quality and the Kenai moose population. The quality of moose forage on the north western Kenai Peninsula was evaluated by determining...

  9. Giraffe browsing in response to plant traits

    Science.gov (United States)

    Mahenya, Obeid; Ndjamba, Johannes Kambinda; Mathisen, Karen Marie; Skarpe, Christina

    2016-08-01

    Intake rates by large herbivores are governed by among other things plant traits. We used Masai giraffe (Giraffa camelopardalis tippelskirchi Matschie) as study animals, testing whether they as very large browsers would follow the Jarman-Bell principle and maximize intake rate while tolerating low forage quality. We worked in Arusha National Park, Tanzania. We investigated how intake rate was determined by bite mass and bite rate, and show that bite mass and bite rate were determined by plant characteristics, governed by inherent plant traits, plant traits acquired from previous years' browsing, and season. We predicted that; (1) bite mass would be larger in trees without spines than with (2) bite mass would be larger in the wet season than in the dry, (3) bite rate would be higher in spinescent trees than in non-spinescent, (4) bite rate and/or bite mass would increase with previous years' browsing, (5) bite mass, bite rate or browsing time per tree would be highest for high trees with large, although still available canopies. Visual observations were used to collect data on tree attributes, number of bites taken and time of browsing. Sample size was 132 observed giraffe. We found that bite mass was larger in spineless than in spinescent trees and was larger in the wet season than in the dry. Bite rate, but not bite mass, increased with increasing browsing in previous years and was highest on two to three meter high trees and in spinescent trees. Intake rate followed bite mass more than bite rate and was higher in spineless than in spinescent trees, higher in the wet season than in the dry, and tended to increase with tree height. Giraffe did not prioritize the highest intake rate, but browsed much on Acacias giving a high quality diet but a low intake rate.

  10. Mobile web browsing using the cloud

    CERN Document Server

    Zhao, Bo; Cao, Guohong

    2013-01-01

    This brief surveys existing techniques to address the problem of long delays and high power consumption for web browsing on smartphones, which can be due to the local computational limitation at the smartphone (e.g., running java scripts or flash objects) level. To address this issue, an architecture called Virtual-Machine based Proxy (VMP) is introduced, shifting the computing from smartphones to the VMP which may reside in the cloud. Mobile Web Browsing Using the Cloud illustrates the feasibility of deploying the proposed VMP system in 3G networks through a prototype using Xen virtual machin

  11. Medical Applications of Remote Electronic Browsing.

    Science.gov (United States)

    Chadwick, Joseph

    The purposes of this study are to identify and define viable remote browsing techniques and the requirements for an interactive medical information system that would permit the use of such techniques. The main emphasis is in the areas of: (1) remote viewing of page material; and (2) remote interrogation of fact banks with question-answering…

  12. Browsing a Database of Multimedia Learning Material.

    Science.gov (United States)

    Persico, Donatella; And Others

    1992-01-01

    Describes a project that addressed the problem of courseware reusability by developing a database structure suitable for organizing multimedia learning material in a given content domain. A prototype system that allows browsing a DBLM (Data Base of Learning Material) on earth science is described, and future plans are discussed. (five references)…

  13. Experimental Interfaces Involving Visual Grouping During Browsing

    Directory of Open Access Journals (Sweden)

    Stan Ruecker

    2006-11-01

    Full Text Available This paper provides a brief overview of a number of experimental interface design projects being carried out collaboratively by teams of researchers at the University of Alberta and elsewhere. One goal of this interface research is to explore the principles of rich-prospect browsing interfaces, which I have defined (Author 2003 as those where some meaningful representation of every item in a collection is combined with tools for manipulating the display. Often this manipulation is for the purposes of carrying out some portion of a research task: the interfaces lend themselves to exploratory and synthetic activities, such as knowledge discovery and hypothesis formulation. The projects summarized here begin with a browsing prototype originally designed for the task of pill identification (Given et al. 2005 but subsequently extended into a prototype for browsing conference delegates and other groups of people (Author et al. 2006. Another is a nuanced system based on the mandala (Cheypesh et al. 2006 intended for examining any collection that has been encoded with an XML schema, using combinations of attractors selected by the user from the available tags. Next is the set of specialized interfaces for the Orlando Project (Orlando Team 2006, intended to provide a set of discrete entry points into the deeply-encoded electronic history of women’s writing in the British Isles. Our project on tabular interfaces provides a variety of spaces designed to assist the user in using thesauri for multilingual query enhancement (Anvik et al. 2006. The final project described below is NORA (Unsworth 2004, which relies on the power of the D2K data-mining tools at the National Centre for Supercomputing Applications at the University of Illinois at Urbana-Champaign to give humanities scholars a workspace for exploring the system-identified features of common documents and further documents that have been recommended by the system. Each of these projects are

  14. Browsing the Internet: good-bye anonymity!

    CERN Multimedia

    Computer Security Team

    2012-01-01

    Do you consider browsing the Internet to be your private business? When visiting random web-sites, how far do you assume you are anonymous? Would it matter to you that Google or Facebook can profile your browsing behaviour in order to better target you with advertisements? Did you notice that you already get targeted ads when you are logged on to Google or Facebook even if you are visiting completely different websites? If matters to you, note that browsing anonymously on the Internet is far from easy.   When you are connected to the Internet, you give away a variety of information: your PC’s IP address, some browser settings like language or screen size, and, probably, your login information. So how private is private? You might argue that your current IP address has been picked from a pool of addresses and therefore regularly changes, so it does not necessarily always pinpoint you. On the other hand, with the dawn of IPv6 there is no need any more for shared IP addresses as the...

  15. Experimental Interfaces Involving Visual Grouping During Browsing

    Directory of Open Access Journals (Sweden)

    Dr Stan Ruecker

    2006-03-01

    Full Text Available This paper provides a brief overview of a number of experimental interface design projects being carried out collaboratively by teams of researchers at the University of Alberta and elsewhere. One goal of this interface research is to explore the principles of rich-prospect browsing interfaces, which I have defined (Ruecker 1 as those where some meaningful representation of every item in a collection is combined with tools for manipulating the display. Often this manipulation is for the purpose of carrying out some portion of a research task: the interfaces lend themselves to exploratory and synthetic activities, such as knowledge discovery and hypothesis formulation. The projects summarized here begin with a browsing prototype originally designed for the task of pill identification (Given et al.. This prototype was subsequently extended into a prototype for browsing conference delegates and other groups of people (Ruecker et al.. Another direction is represented by a nuanced system based on the mandala (Cheypesh et al. intended for examining any collection that has been encoded with an XML schema. The Mandala Browser uses combinations of “magnetic axes” selected by the user from the available tags. Next is the set of specialized interfaces for the Orlando Project (Orlando Team, intended to provide a set of discrete entry points into the deeply-encoded electronic history of women’s writing in the British Isles. Our project on tabular interfaces provides a variety of spaces designed to assist the user in using thesauri for multilingual query enhancement (Anvik et al.. The final project described below is NORA (Unsworth, which relies on the power of the D2K data-mining tools at the National Centre for Supercomputing Applications at the University of Illinois at Urbana-Champaign. The goal of NORA is to give humanities scholars a workspace for exploring the system-identified features of common documents and further documents that havebeen

  16. Social Browsing & Information Filtering in Social Media

    CERN Document Server

    Lerman, Kristina

    2007-01-01

    Social networks are a prominent feature of many social media sites, a new generation of Web sites that allow users to create and share content. Sites such as Digg, Flickr, and Del.icio.us allow users to designate others as "friends" or "contacts" and provide a single-click interface to track friends' activity. How are these social networks used? Unlike pure social networking sites (e.g., LinkedIn and Facebook), which allow users to articulate their online professional and personal relationships, social media sites are not, for the most part, aimed at helping users create or foster online relationships. Instead, we claim that social media users create social networks to express their tastes and interests, and use them to filter the vast stream of new submissions to find interesting content. Social networks, in fact, facilitate new ways of interacting with information: what we call social browsing. Through an extensive analysis of data from Digg and Flickr, we show that social browsing is one of the primary usa...

  17. A method for determining the onset year of intense browsing

    Science.gov (United States)

    Keigley, R.B.; Frisina, M.R.; Fager, C.

    2003-01-01

    A survey based on browsing related architectures indicated that browsing level had increased at the Mt. Haggin Wildlife Management Area. We describe a technique for determining the year in which the increase in browsing level occurred. The technique is based on the analysis of stems old enough to have experienced the early period of light browsing; the onset year of intense browsing was determined by using dendrochronology to date the formation of twig clusters produced by intense browsing. Stems from 20 Geyer willow (Salix geyeriana Anderss.) plants were analyzed from each of 6 study sites. Mean onset years at the 6 sites ranged from 1983.1 to 1988.4; the mean onset year for all 6 sites was 1985.4 ?? 0.5 SE (N = 120). The reconstructed history was used to evaluate the relationship between moose (Alces alces) number and browse trend. From 1976 to 2000, the winter trend census of moose increased from 7 to 56. The onset of intense browsing in 1985 occurred when 23 moose were counted.

  18. Language Intent Models for Inferring User Browsing Behavior

    NARCIS (Netherlands)

    Tsagkias, M.; Blanco, R.

    2012-01-01

    Modeling user browsing behavior is an active research area with tangible real-world applications, e.g., organizations can adapt their online presence to their visitors browsing behavior with positive effects in user engagement, and revenue. We concentrate on online news agents, and present a semi-su

  19. Browsed twig environmental DNA: diagnostic PCR to identify ungulate species.

    Science.gov (United States)

    Nichols, Ruth V; Königsson, Helena; Danell, Kjell; Spong, Göran

    2012-11-01

    Ungulate browsing can have a strong effect on ecological processes by affecting plant community structure and composition, with cascading effects on nutrient cycling and animal communities. However, in the absence of direct observations of foraging, species-specific foraging behaviours are difficult to quantify. We therefore know relatively little about foraging competition and species-specific browsing patterns in systems with several browsers. However, during browsing, a small amount of saliva containing buccal cells is deposited at the bite site, providing a source of environmental DNA (eDNA) that can be used for species identification. Here, we describe extraction and PCR protocols for a browser species diagnostic kit. Species-specific primers for mitochondrial DNA were optimized and validated using twigs browsed by captive animals. A time series showed that about 50% of the samples will amplify up to 12 weeks after the browsing event and that some samples amplify up to 24 weeks after browsing (12.5%). Applied to samples of natural browsing from an area where moose (Alces alces), roe deer (Capreolus capreolus), fallow deer (Cervus dama) and red deer (Cervus elaphus) are sympatric, amplification success reached 75%. This method promises to greatly improve our understanding of multispecies browsing systems without the need for direct observations.

  20. Exploring the Concept of Browsing from the Literature Analysis

    Directory of Open Access Journals (Sweden)

    Shan-Ju L. Chang

    1997-12-01

    Full Text Available Browsing as a concept and an activity appears to be a fundamental part of human information behavior, which takes place in diverse contexts in our daily life. At the theoretical level, research on browsing can extend and develop theories of human information behavior. Practically, there could be suggestions for better organization and representation of information and material displayed as well as for effective information seeking and retrieval. This thesis attempts to explore the browsing phenomenon as it appears in the library and information science literature and end-user computing literature. Topics included for discussion are the definitions of the browsing concept, potential consequences, topology and influential factors of browsing as being identified from the literature analysis.[Article content in Chinese

  1. I/Browse: the Bellcore video library tool kit

    Science.gov (United States)

    England, Paul; Allen, Robert B.; Sullivan, Mark; Heybey, Andrew; Bianchi, Mike; Dailianas, Apostolos

    1996-03-01

    I/Browse: The Bellcore Video Library Toolkit is a set of tools for constructing and browsing libraries of digital video. The toolkit is designed to work with video libraries on local or network disks, CD-ROMs or a multimedia sever. There are three main components, a preprocessor, a tagger, and a browser. Particular attention is focused on the tools and techniques we have developed to rapidly tag videos. The tagging system allows text fields, type information, and other resources to be associated with frames in the video. The tags are further organized into a hierarchical 'table of contents', which is suitable for browsing and searching.

  2. Jekyll or Hyde? Better browse securely

    CERN Multimedia

    Computer Security Team

    2013-01-01

    Surfing the web is like walking through London in 1886. Usually you meet nice Dr Jekyll, interact with him and everything is fine. But at other times, at night, you might encounter the malicious Mr Hyde. He just wants your money and your secrets, and wants to take advantage of you.   As in the novel by Stevenson, good and bad web pages can be very close together. Most web pages exist to provide information or a service. But one click away, one Google page down, there are malicious web pages that aim to steal your password, infect your computer, or lull you into disclosing personal information.    So remember: “STOP - THINK - CLICK!” should be the standard when browsing the Internet. If you are presented with a link that looks strange or contains gibberish (like http://211.268.156.277/.PayPal/cgi-bin/wbscrcmd_login.php), just ignore it! It is always better to type simple, comprehensible web addresses like “www.paypal.com” than...

  3. Effect of Roadside Vegetation Cutting on Moose Browsing.

    Directory of Open Access Journals (Sweden)

    Amy L Tanner

    Full Text Available Moose (Alces americanus vehicle collisions (MVCs are an issue throughout the distribution of moose. Many mitigation strategies have been tested and implemented to reduce the number of MVCs, but there have been few empirical analyses of the effectiveness of roadside vegetation cutting. The goal of this study was to determine if roadside vegetation cutting attracted moose into roadside areas to browse on the vegetation regrowth. We hypothesized that moose would be attracted to roadside areas with cut vegetation. Consequently, we predicted that there would be higher levels of browsing in cut areas compared to uncut areas. To determine if moose were browsing more in cut or uncut areas, we measured the number of plants browsed by moose in paired treatment (cut on or after 2008 and control (not cut since at least 2008 sites, along with a suite of potential environmental covariates. Using a model selection approach, we fit generalized linear mixed-effects models to determine the most parsimonious set of environmental variables to explain variation in the proportion of moose browse among sites. In contrast to our hypothesis, our results show that the proportion of moose browse in the uncut control areas was significantly higher than in the cut treatment areas. The results of this study suggest that recently cut roadside areas (7 years or less based on our work may create a less attractive foraging habitat for moose. The majority of the variance in the proportion of moose browse among sites was explained by treatment type and nested plot number within site identification (34.16%, with additional variance explained by traffic region (5.00% and moose density (4.35%. Based on our study, we recommend that vegetation cutting be continued in roadside areas in Newfoundland as recently cut areas may be less attractive browsing sites for moose.

  4. Effect of Roadside Vegetation Cutting on Moose Browsing.

    Science.gov (United States)

    Tanner, Amy L; Leroux, Shawn J

    2015-01-01

    Moose (Alces americanus ) vehicle collisions (MVCs) are an issue throughout the distribution of moose. Many mitigation strategies have been tested and implemented to reduce the number of MVCs, but there have been few empirical analyses of the effectiveness of roadside vegetation cutting. The goal of this study was to determine if roadside vegetation cutting attracted moose into roadside areas to browse on the vegetation regrowth. We hypothesized that moose would be attracted to roadside areas with cut vegetation. Consequently, we predicted that there would be higher levels of browsing in cut areas compared to uncut areas. To determine if moose were browsing more in cut or uncut areas, we measured the number of plants browsed by moose in paired treatment (cut on or after 2008) and control (not cut since at least 2008) sites, along with a suite of potential environmental covariates. Using a model selection approach, we fit generalized linear mixed-effects models to determine the most parsimonious set of environmental variables to explain variation in the proportion of moose browse among sites. In contrast to our hypothesis, our results show that the proportion of moose browse in the uncut control areas was significantly higher than in the cut treatment areas. The results of this study suggest that recently cut roadside areas (7 years or less based on our work) may create a less attractive foraging habitat for moose. The majority of the variance in the proportion of moose browse among sites was explained by treatment type and nested plot number within site identification (34.16%), with additional variance explained by traffic region (5.00%) and moose density (4.35%). Based on our study, we recommend that vegetation cutting be continued in roadside areas in Newfoundland as recently cut areas may be less attractive browsing sites for moose.

  5. Browsing and Visualization of Linked Environmental Data

    Science.gov (United States)

    Nikolaou, Charalampos; Kyzirakos, Kostis; Bereta, Konstantina; Dogani, Kallirroi; Koubarakis, Manolis

    2014-05-01

    Linked environmental data has started to appear on the Web as environmental researchers make use of technologies such as ontologies, RDF, and SPARQL. Many of these datasets have an important geospatial and temporal dimension. The same is true also for the Web of data that is being rapidly populated not only with geospatial information, but also with temporal information. As the real-world entities represented in linked geospatial datasets evolve over time, the datasets themselves get updated and both the spatial and the temporal dimension of data become significant for users. For example, in the Earth Observation and Environment domains, data is constantly produced by satellite sensors and is associated with metadata containing, among others, temporal attributes, such as the time that an image was acquired. In addition, the acquisitions are considered to be valid for specific periods of time, for example until they get updated by new acquisitions. Satellite acquisitions might be utilized in applications such as the CORINE Land Cover programme operated by the European Environment Agency that makes available as a cartographic product the land cover of European areas. Periodically CORINE publishes the changes in the land cover of these areas in the form of changesets. Tools for exploiting the abundance of geospatial information have also started to emerge. However, these tools are designed for browsing a single data source, while in addition they cannot represent the temporal dimension. This is for two reasons: a) the lack of an implementation of a data model and a query language with temporal features covering the various semantics associated with the representation of time (e.g., valid and user-defined), and b) the lack of a standard temporal extension of RDF that would allow practitioners to utilize when publishing RDF data. Recently, we presented the temporal features of the data model stRDF, the query language stSPARQL, and their implementation in the geospatial

  6. Silvicultural Attempts to Induce Browse Resistance in Conifer Seedlings

    Directory of Open Access Journals (Sweden)

    Bruce A. Kimball

    2011-01-01

    Full Text Available A multiyear study was conducted to determine if soil amendment combined with topical application of elemental sulfur could be employed to reduce deer browse damage to four conifer species. Fertilizer and sulfur were applied to conifer seedlings at seven sites near Corvallis, OR. Growth and browse damage data were collected for all seedlings over a period of 17 months. Additionally, foliar concentrations of monoterpenes and simple carbohydrates were assessed in western redcedar (Thuja plicata seedlings over a period of three years. Fertilization and sulfur treatments had a moderate impact on growth and no influence on browse damage or the chemical responses. Over the course of the study, browse damage diminished while foliar monoterpene concentrations increased in redcedar. It appears that silvicultural manipulation via sulfur application and/or soil amendment cannot accelerate or alter the ontogenetical changes that may naturally defend seedlings against mammalian herbivores. In a brief trial with captive deer, redcedar browse resistance was influenced by seedling maturation, but not monoterpene content. Other maturation effects may yield significant browse protection to young seedlings.

  7. Assessing browse trend at the landscape level Part 2: Monitoring

    Science.gov (United States)

    Keigley, R.B.; Frisina, M.R.; Fager, C.W.

    2002-01-01

    In Part 1, we assessed browse trend across a wide geographic area of Mt. Haggin Wildlife Management Area by conducting surveys of browsing-related architectures. Those data were qualitative. Below we describe the periodic collection of quantitative data from permanently marked locations; we refer to this phase of the trend assessment program as "monitoring." Trend was monitored by three methods: 1 Repeat photography. 2 Comparison of the height of live stems with the height of stems killed by browsing (LD Index). 3 Net annual stem growth rate (NAGRL3). The photography provides an assessment of trend from the comparison of photographs taken at intervals of a few years. The LD Index and NAGRL3 measurements provide an immediate assessment of trend.

  8. Browse evaluation of tall shrubs based on direct measurement of a management objective

    Science.gov (United States)

    Keigley, R.B.; Frisina, M.R.; Kitchen, Stanley G.; Pendleton, Rosemary L.; Monaco, Thomas A.; Vernon, Jason

    2008-01-01

    The monitoring of Geyer willow was based on the following management objective: Browsing will prevent fewer than 50 percent of Geyer willow shrubs from growing taller than 3 m . Three questions were addressed: (1) Is browsing a potential factor? (2) If so, can young plants grow taller than 3 meters? (3) If not, is browsing the dominant factor? All shrubs were intensely browsed. With a post-browsing growth rate of 5.0 cm per yr, no shrub could grow 3 m tall. Analyses of stem growth rate excluded dominant roles for climate and plant vigor. Browsing and stem age were the dominant factors that limited growth to 3 m tall.

  9. Browsing through rapid-fire imaging: requirements and industry initiatives

    Science.gov (United States)

    Wittenburg, Kent; Chiyoda, Carlos; Heinrichs, Michael; Lanning, Tom

    1999-12-01

    It is well established that humans possess cognitive abilities to process images extremely rapidly. At GTE Laboratories we have been experimenting with Web-based browsing interfaces that take advantage of this human facility. We have prototyped a number of browsing applications in different domains that offer the advantages of high interactivity and visual engagement. Our hypothesis, confirmed by user evaluations and a pilot experiment, is that many users will be drawn to interfaces that provide rapid presentation of images for browsing tasks in many contexts, among them online shopping, multimedia title selection, and people directories. In this paper we present our application prototypes using a system called PolyNav and discuss the imaging requirements for applications like these. We also raise the suggestion that if the Web industry at large standardized on an XML for meta-content that included images, then the possibility exist that rapid-fire image browsing could become a standard part of the Web experience for content selection in a variety of domains.

  10. Graph-Based Methods for Discovery Browsing with Semantic Predications

    DEFF Research Database (Denmark)

    Wilkowski, Bartlomiej; Fiszman, Marcelo; Miller, Christopher M;

    2011-01-01

    We present an extension to literature-based discovery that goes beyond making discoveries to a principled way of navigating through selected aspects of some biomedical domain. The method is a type of "discovery browsing" that guides the user through the research literature on a specified phenomen...

  11. A Storyboard-Based Interface for Mobile Video Browsing

    NARCIS (Netherlands)

    Hürst, Wolfgang; Hoet, Miklas; van de Werken, Rob

    2015-01-01

    We present an interface design for video browsing on mobile devices such as tablets that is based on storyboards and optimized with respect to content visualization and interaction design. In particular, we consider scientific results from our previous studies on mobile visualization (e.g., about op

  12. The Costs of Web Advertisements while Mobile Browsing

    NARCIS (Netherlands)

    Brande, van den Jeffrey; Pras, Aiko

    2012-01-01

    Tablet PCs, iPads and mobile phones all include facilities to browse the mobile Internet. The costs of mobile Internet access may become extraordinary, however, when the data limit is exceeded or when the user is roaming abroad without a roaming data plan. Since users may see advertisements as unwan

  13. Beyond Information Searching and Browsing: Acquiring Knowledge from Digital Library

    NARCIS (Netherlands)

    Feng, L.; Jeusfeld, M.A.; Hoppenbrouwers, J.

    2005-01-01

    Digital libraries (DLs) are a resource for answering complex questions. Up to now, such systems mainly support keyword-based searching and browsing. The mapping from a research question to keywords and the assessment whether an article is relevant for a research question is completely with the user.

  14. Sliders Versus Storyboards - Investigating Interaction Design for Mobile Video Browsing

    NARCIS (Netherlands)

    Hürst, Wolfgang; Hoet, Miklas

    2015-01-01

    We present a comparative study of two different interfaces for mobile video browsing on tablet devices following two basic concepts - storyboard designs representing a video’s content in a grid-like arrangement of static images extracted from the file, and slider interfaces enabling users to interac

  15. A Texture Thesaurus for Browsing Large Aerial Photographs.

    Science.gov (United States)

    Ma, Wei-Ying; Manjunath, B. S.

    1998-01-01

    Presents a texture-based image-retrieval system for browsing large-scale aerial photographs. System components include texture-feature extraction, image segmentation and grouping, learning-similarity measure, and a texture-thesaurus model for fast search and indexing. Testing has demonstrated the system's effectiveness in searching and selecting…

  16. Assessing browse trend at the landscape level Part 1: Preliminary steps and field survey

    Science.gov (United States)

    Keigley, R.B.; Frisina, M.R.; Fager, C.W.

    2002-01-01

    Woody plants are an important component of rangeland habitat, providing food and shelter for animals that range in size from moose to warblers to insects. Because of this importance, land managers are paying increased attention to browse trends. In this two-part article, we describe how browse trend is assessed at the Mt. Haggin Wildlife Management Area in southwestern Montana. Willows are currently heavily browsed, but there is evidence that browsing pressure was lower in the past. Heavily-browsed 14-inch-tall plants grow in close proximity to 16-foot-tall plants, the tallest stems of which are unbrowsed. The 16-foot-tall stems are older than the 14-inch-tall stems, and apparently grew through the browse zone when browsing pressure was lower than its current level. An increase in browsing pressure would be consistent with the increase in the moose population that occurred over the past 3 decades.

  17. Voice-controlled Internet Browsing for Motor-handicapped Users

    DEFF Research Database (Denmark)

    Brøndsted, Tom; Aaskoven, Erik

    2006-01-01

    The public-funded project "Indtal" ("Speak-it") has succeeded in developing a Danish voice-controlled utility for internet browsing targeting motor-handicapped users having difficulties using a standard keyboard and/or a standard mouse. The system has been designed and implemented in collaboration...... with an advisory board of motor-handicapped (potential) end-users and underlies a number of a priori defined design criteria: learnability and memorability rather than naturalness, minimal need for maintenance after release, support for "all" web standards (not just HTML conforming to certain "recommendations......"), independency of the language on the websites being browsed, etc. These criteria have lead to a primarily message-driven system interacting with an existing browser on the end users' systems...

  18. A Video Browsing Tool for Content Management in Postproduction

    Directory of Open Access Journals (Sweden)

    Werner Bailer

    2010-01-01

    Full Text Available We propose an interactive video browsing tool for supporting content management and selection in postproduction. The approach is based on a process model for multimedia content abstraction. A software framework based on this process model and desktop and Web-based client applications are presented. For evaluation, we apply two TRECVID style fact finding approaches (retrieval and question answering tasks and a user survey to the evaluation of the video browsing tool. We analyze the correlation between the results of the different methods, whether different aspects can be evaluated independently with the survey, and if a learning effect can be measured with the different methods, and we also compare the full-featured desktop and the limited Web-based user interface. The results show that the retrieval task correlates better with the user experience according to the survey. The survey rather measures the general user experience while different aspects of the usability cannot be analyzed independently.

  19. Mobile Web Browsing Based On Content Preserving With Reduced Cost

    Directory of Open Access Journals (Sweden)

    Dr.N.Saravanaselvam

    2015-01-01

    Full Text Available Internet has played a drastic change in today’s life. Especially, web browsing has become more exclusive in compact devices. This tempts the people to migrate their innovations & skills into an unimaginable world. With these things in mind, it is necessary for us to concentrate more on the techniques that how the web data’s are accessed and accounted. Developed countries use a widely popular technique called Flat- rate pricing, which is solely independent on data usage. But whereas, developing countries are still behind the concept of “pay as you use”, which leads to high usage bills.With an effort to resolve the problem of high usage bills, we propose a cost effective technique, which reduces the data consumption in web mobile browsing. It reduces the usage bills in the mechanism of usage-based pricing. The key idea of our approach is to leverage the data plan of the user to compute a cost quota for each web request and a network middle-box to automatically adapt any web page to the cost quota. Here we use a simple but effective content adaption technique that highly decides which image or data best fits the mobile display with low cost and high quality resolution. It also emphasis on the trendy technique,” The Data Mining “which mines the requested & required data. The mined data’s are filtered based on the content adaption technique and fit into the display effectively. Interesting and noticeable feature in this concept is that only important web contents requested by the user are exhibited. A feedback process involves in this concept to retrieve the required data alone and also to improve the best fit resolution. With this proposed system web mobile browsing becomes cheaper & contributes an enormous logic for the future project in the field of Mobile browsing.

  20. Compact Web browsing profiles for click-through rate prediction

    DEFF Research Database (Denmark)

    Fruergaard, Bjarne Ørum; Hansen, Lars Kai

    2014-01-01

    with varying degrees of sparsity in the representations. The decompositions that we consider are SVD, NMF, and IRM. To quantify the utility, we measure the performances of these representations when used as features in a sparse logistic regression model for click-through rate prediction. We recommend the IRM...... bipartite clustering features as they provide the most compact representation of browsing patterns and yield the best performance....

  1. Colour appearance descriptors for image browsing and retrieval

    Science.gov (United States)

    Othman, Aniza; Martinez, Kirk

    2008-01-01

    In this paper, we focus on the development of whole-scene colour appearance descriptors for classification to be used in browsing applications. The descriptors can classify a whole-scene image into various categories of semantically-based colour appearance. Colour appearance is an important feature and has been extensively used in image-analysis, retrieval and classification. By using pre-existing global CIELAB colour histograms, firstly, we try to develop metrics for whole-scene colour appearance: "colour strength", "high/low lightness" and "multicoloured". Secondly we propose methods using these metrics either alone or combined to classify whole-scene images into five categories of appearance: strong, pastel, dark, pale and multicoloured. Experiments show positive results and that the global colour histogram is actually useful and can be used for whole-scene colour appearance classification. We have also conducted a small-scale human evaluation test on whole-scene colour appearance. The results show, with suitable threshold settings, the proposed methods can describe the whole-scene colour appearance of images close to human classification. The descriptors were tested on thousands of images from various scenes: paintings, natural scenes, objects, photographs and documents. The colour appearance classifications are being integrated into an image browsing system which allows them to also be used to refine browsing.

  2. Seeds, browse, and tooth wear: a sheep perspective.

    Science.gov (United States)

    Ramdarshan, Anusha; Blondel, Cécile; Brunetière, Noël; Francisco, Arthur; Gautier, Denis; Surault, Jérôme; Merceron, Gildas

    2016-08-01

    While grazing as a selective factor towards hypsodont dentition on mammals has gained a lot of attention, the importance of fruits and seeds as fallback resources for many browsing ungulates has caught much less attention. Controlled-food experiments, by reducing the dietary range, allow for a direct quantification of the effect of each type of items separately on enamel abrasion. We present the results of a dental microwear texture analysis on 40 ewes clustered into four different controlled diets: clover alone, and then three diets composed of clover together with either barley, corn, or chestnuts. Among the seed-eating groups, only the barley one shows higher complexity than the seed-free group. Canonical discriminant analysis is successful at correctly classifying the majority of clover- and seed-fed ewes. Although this study focuses on diets which all fall within a single dietary category (browse), the groups show variations in dental microwear textures in relation with the presence and the type of seeds. More than a matter of seed size and hardness, a high amount of kernels ingested per day is found to be correlated with high complexity on enamel molar facets. This highlights the high variability of the physical properties of the foods falling under the browsing umbrella.

  3. Effects of simulated moose Alces alces browsing on the morphology of rowan Sorbus aucuparia

    Science.gov (United States)

    Jager, N.R.D.; Pastor, J.

    2010-01-01

    In much of northern Sweden moose Alces alces browse rowan Sorbus aucuparia heavily and commonly revisit previously browsed plants. Repeated browsing of rowan by moose has created some concern for its long-term survival in heavily browsed areas. We therefore measured how four years of simulated moose browsing at four population densities (0, 10, 30 and 50 moose/1,000 ha) changed plant height, crown width, available bite mass, the number of bites per plant and per plant forage biomass of rowan saplings. Increased biomass removal led to a significant decline in plant height (P moose relative to unbrowsed controls. Moose therefore stand to benefit from revisiting previously browsed plants, which may result in feeding loops between moose and previously browsed rowan saplings. ?? 2010 Wildlife Biology, NKV.

  4. MPEG-7 applications for video browsing and analysis

    Science.gov (United States)

    Divakaran, Ajay; Bober, Miroslaw; Asai, Kohtaro

    2001-11-01

    The soon to be released MPEG-7 standard provides a Multimedia Content Description Interface. In other words, it provides a rich set of tools to describe the content with a view to facilitating applications such as content based querying, browsing and searching of multimedia content. In this paper, we describe practical applications of MPEG-7 tools. We use descriptors of features such as color, shape and motion to both index and analyze the content. The aforementioned descriptors stem from our previous work and are currently in the draft international MPEG-7 standard. In our previous work, we have shown the efficacy of each of the descriptors individually. In this paper, we show how we combine color and motion to effectively browse video in our first application. In our second application, we show how we can combine shape and color to recognize objects in real time. We will present a demonstration of our system at the conference. We have already successfully demonstrated it to the Japanese press.

  5. Using eDNA to experimentally test ungulate browsing preferences.

    Science.gov (United States)

    Nichols, Ruth V; Cromsigt, Joris P G M; Spong, Göran

    2015-01-01

    Large herbivores may affect ecosystem processes and states, but such effects can be difficult to quantify, especially within multispecies assemblages. To better understand such processes and improve our predictive ability of systems undergoing change, herbivore diets can be studied using controlled feeding trials (or cafeteria tests). With some wildlife, such as large herbivores, it is impractical to empirically verify these findings, because it requires visually observing animals in forested environments, which can disturb them from their natural behaviors. Yet, in field-based cafeteria trials it is nearly impossible to differentiate selection between herbivore species that forage on similar plants and make very similar bite marks. However, during browsing ungulates leave saliva residue which includes some buccal cells and DNA that can be extracted for species identification. Here we used a newly developed eDNA-based method (biteDNA) to test the browsing preferences of four sympatric ungulate species in the wild. Overall, food preferences varied between species, but all species strongly preferred deciduous over coniferous species. Our method allows the study of plant-animal interactions in multispecies assemblages at very fine detail.

  6. Interactively Browsing NASA's EOS Imagery in Full Resolution

    Science.gov (United States)

    Boller, R. A.; Joshi, T.; Schmaltz, J. E.; Ilavajhala, S.; Davies, D.; Murphy, K. J.

    2012-12-01

    Worldview is a new tool designed to interactively browse full-resolution imagery from NASA's fleet of Earth Observing System (EOS) satellites. It is web-based and developed using open standards (JavaScript, CSS, HTML) for cross-platform compatibility. It addresses growing user demands for access to full-resolution imagery by providing a responsive, interactive interface with global coverage, no artificial boundaries, and views in geographic and polar projections. Currently tailored to the near real-time community, Worldview enables the rapid evaluation and comparison of imagery related to such application areas as fires, floods, and air quality. It is supported by the Global Imagery Browse Services (GIBS), a system that continuously ingests, mosaics, and serves approximately 21GB of imagery daily. This imagery spans over 50 data products that are available within three hours of observation from instruments aboard Terra, Aqua, and Aura. The GIBS image archive began in May 2012 and will have published approximately 4.4TB of imagery as of December 2012. Worldview facilitates rapid access to this archive and is supplemented by socioeconomic data layers from the Socioeconomic Data and Applications Center (SEDAC), including products such as population density and economic risk from cyclones. Future plans include the accessibility of additional products that cover the entire Terra/MODIS and Aqua/MODIS missions (>150TB) and the ability to download the underlying science data of the onscreen imagery.

  7. Analysis of Users Web Browsing Behavior Using Markov chain Model

    Directory of Open Access Journals (Sweden)

    Diwakar Shukla

    2011-03-01

    Full Text Available In present days of growing information technology, many browsers available for surfing and web mining. A user has option to use any of them at a time to mine out the desired website. Every browser has pre-defined level of popularity and reputation in the market. This paper considers the setup of only two browsers in a computer system and a user prefers to any one, if fails, switches to the other one .The behavior of user is modeled through Markov chain procedure and transition probabilities are calculated. The quitting to browsing is treated as a parameter of variation over the popularity. Graphical study is performed to explain the inter relationship between user behavior parameters and browser market popularity parameters. If rate of a company is lowest in terms of browser failure and lowest in terms of quitting probability then company enjoys better popularity and larger user proportion

  8. Using Apollo to browse and edit genome annotations.

    Science.gov (United States)

    Misra, Sima; Harris, Nomi

    2006-01-01

    An annotation is any feature that can be tied to genomic sequence, such as an exon, transcript, promoter, or transposable element. As biological knowledge increases, annotations of different types need to be added and modified, and links to other sources of information need to be incorporated, to allow biologists to easily access all of the available sequence analysis data and design appropriate experiments. The Apollo genome browser and editor offers biologists these capabilities. Apollo can display many different types of computational evidence, such as alignments and similarities based on BLAST searches (UNITS 3.3 & 3.4), and enables biologists to utilize computational evidence to create and edit gene models and other genomic features, e.g., using experimental evidence to refine exon-intron structures predicted by gene prediction algorithms. This protocol describes simple ways to browse genome annotation data, as well as techniques for editing annotations and loading data from different sources.

  9. Open access to sequence: Browsing the Pichia pastoris genome

    Directory of Open Access Journals (Sweden)

    Graf Alexandra

    2009-10-01

    Full Text Available Abstract The first genome sequences of the important yeast protein production host Pichia pastoris have been released into the public domain this spring. In order to provide the scientific community easy and versatile access to the sequence, two web-sites have been installed as a resource for genomic sequence, gene and protein information for P. pastoris: A GBrowse based genome browser was set up at http://www.pichiagenome.org and a genome portal with gene annotation and browsing functionality at http://bioinformatics.psb.ugent.be/webtools/bogas. Both websites are offering information on gene annotation and function, regulation and structure. In addition, a WiKi based platform allows all users to create additional information on genes, proteins, physiology and other items of P. pastoris research, so that the Pichia community can benefit from exchange of knowledge, data and materials.

  10. Efficient One-click Browsing of Large Trajectory Sets

    DEFF Research Database (Denmark)

    Krogh, Benjamin Bjerre; Andersen, Ove; Lewis-Kelham, Edwin

    2014-01-01

    Traffic researchers, planners, and analysts want a simple way to query the large quantities of GPS trajectories collected from vehicles. In addition, users expect the results to be presented immediately even when querying very large transportation networks with huge trajectory data sets. This paper...... presents a novel query type called sheaf, where users can browse trajectory data sets using a single mouse click. Sheaves are very versatile and can be used for location-based advertising, travel-time analysis, intersection analysis, and reachability analysis (isochrones). A novel in-memory trajectory...... index compresses the data by a factor of 12.4 and enables execution of sheaf queries in 40 ms. This is up to 2 orders of magnitude faster than existing work. We demonstrate the simplicity, versatility, and efficiency of sheaf queries using a real-world trajectory set consisting of 2.7 million...

  11. Eland browsing of Grewia occidentalis in semi-arid shrubland: the influence of bush clumps

    Directory of Open Access Journals (Sweden)

    L.H. Watson

    1999-01-01

    Full Text Available Grewia occidentalis plants in the study area generally occurred in bush clumps with other shrub species. Grewia occidentalis commonly occurred with Diospyros austro-africana, Rhus longispina and Rhus pollens (nurse shrubs, but seldom with Acacia kar-roo and Lycium cinereum (non-nurse shrubs. Eland browsed G. occidentalis plants at higher levels than other shrub species, but browsing was not evenly spread across all plants. Grewia occidentalis plants associated with nurse shrubs had lower levels of browsing than those growing alone and those growing with non-nurse shrubs, while G. occidentalis plants in the centre of nurse shrubs experienced the lowest levels of browsing. The latter group of plants also produced the most fruit. Eland browsing is consid-ered an important factor determining the distribution of G. occidentalis plants in the study area, while the presence of nurse shrubs is considered essential for the establishment and maintenance of the G. occidentalis population in the study area.

  12. A Skyline Plugin for Pathway-Centric Data Browsing

    Energy Technology Data Exchange (ETDEWEB)

    Degan, Michael G.; Ryadinskiy, Lillian; Fujimoto, Grant M.; Wilkins, Christopher S.; Lichti, Cheryl F.; Payne, Samuel H.

    2016-08-16

    For targeted proteomics to be broadly adopted in biological laboratories as a routine experimental protocol, wet-bench biologists must be able to approach SRM assay design in the same way they approach biological experimental design. Most often, biological hypotheses are envisioned in a set of protein interactions, networks and pathways. We present a plugin for the popular Skyline tool that presents public mass spectrometry data in a pathway-centric view to assist users in browsing available data and determining how to design quantitative experiments. Selected proteins and their underlying mass spectra are imported to Skyline for further assay design (transition selection). The same plugin can be used for hypothesis-drive DIA data analysis, again utilizing the pathway view to help narrow down the set of proteins which will be investigated. The plugin is backed by the PNNL Biodiversity Library, a corpus of 3 million peptides from >100 organisms, and the draft human proteome. Users can upload personal data to the plugin to use the pathway navigation prior to importing their own data into Skyline.

  13. A Skyline Plugin for Pathway-Centric Data Browsing

    Science.gov (United States)

    Degan, Michael G.; Ryadinskiy, Lillian; Fujimoto, Grant M.; Wilkins, Christopher S.; Lichti, Cheryl F.; Payne, Samuel H.

    2016-08-01

    For targeted proteomics to be broadly adopted in biological laboratories as a routine experimental protocol, wet-bench biologists must be able to approach selected reaction monitoring (SRM) and parallel reaction monitoring (PRM) assay design in the same way they approach biological experimental design. Most often, biological hypotheses are envisioned in a set of protein interactions, networks, and pathways. We present a plugin for the popular Skyline tool that presents public mass spectrometry data in a pathway-centric view to assist users in browsing available data and determining how to design quantitative experiments. Selected proteins and their underlying mass spectra are imported to Skyline for further assay design (transition selection). The same plugin can be used for hypothesis-driven data-independent acquisition (DIA) data analysis, again utilizing the pathway view to help narrow down the set of proteins that will be investigated. The plugin is backed by the Pacific Northwest National Laboratory (PNNL) Biodiversity Library, a corpus of 3 million peptides from >100 organisms, and the draft human proteome. Users can upload personal data to the plugin to use the pathway navigation prior to importing their own data into Skyline.

  14. A Skyline Plugin for Pathway-Centric Data Browsing

    Science.gov (United States)

    Degan, Michael G.; Ryadinskiy, Lillian; Fujimoto, Grant M.; Wilkins, Christopher S.; Lichti, Cheryl F.; Payne, Samuel H.

    2016-11-01

    For targeted proteomics to be broadly adopted in biological laboratories as a routine experimental protocol, wet-bench biologists must be able to approach selected reaction monitoring (SRM) and parallel reaction monitoring (PRM) assay design in the same way they approach biological experimental design. Most often, biological hypotheses are envisioned in a set of protein interactions, networks, and pathways. We present a plugin for the popular Skyline tool that presents public mass spectrometry data in a pathway-centric view to assist users in browsing available data and determining how to design quantitative experiments. Selected proteins and their underlying mass spectra are imported to Skyline for further assay design (transition selection). The same plugin can be used for hypothesis-driven data-independent acquisition (DIA) data analysis, again utilizing the pathway view to help narrow down the set of proteins that will be investigated. The plugin is backed by the Pacific Northwest National Laboratory (PNNL) Biodiversity Library, a corpus of 3 million peptides from >100 organisms, and the draft human proteome. Users can upload personal data to the plugin to use the pathway navigation prior to importing their own data into Skyline.

  15. DNA sequence chromatogram browsing using JAVA and CORBA.

    Science.gov (United States)

    Parsons, J D; Buehler, E; Hillier, L

    1999-03-01

    DNA sequence chromatograms (traces) are the primary data source for all large-scale genomic and expressed sequence tags (ESTs) sequencing projects. Access to the sequencing trace assists many later analyses, for example contig assembly and polymorphism detection, but obtaining and using traces is problematic. Traces are not collected and published centrally, they are much larger than the base calls derived from them, and viewing them requires the interactivity of a local graphical client with local data. To provide efficient global access to DNA traces, we developed a client/server system based on flexible Java components integrated into other applications including an applet for use in a WWW browser and a stand-alone trace viewer. Client/server interaction is facilitated by CORBA middleware which provides a well-defined interface, a naming service, and location independence. [The software is packaged as a Jar file available from the following URL: http://www.ebi.ac.uk/jparsons. Links to working examples of the trace viewers can be found at http://corba.ebi.ac.uk/EST. All the Washington University mouse EST traces are available for browsing at the same URL.

  16. RAPID INDUCTION OF MULTIPLE TAXONOMIES FOR ENHANCED FACETED TEXT BROWSING

    Directory of Open Access Journals (Sweden)

    Lawrence Muchemi 1

    2016-07-01

    Full Text Available In this paper we present and compare two methodologies for rapidly inducing multiple subject-specific taxonomies from crawled data. The first method involves a sentence-level words co-occurrence frequency method for building the taxonomy, while the second involves the bootstrapping of a Word2Vec based algorithm with a directed crawler. We exploit the multilingual open-content directory of the World Wide Web, DMOZ1 to seed the crawl, and the domain name to direct the crawl. This domain corpus is then input to our algorithm that can automatically induce taxonomies. The induced taxonomies provide hierarchical semantic dimensions for the purposes of faceted browsing. As part of an ongoing personal semantics project, we applied the resulting taxonomies to personal social media data Twitter, Gmail, Facebook, Instagram, Flickr with an objective of enhancing an individual’s exploration of their personal information through faceted searching. We also perform a comprehensive corpus based evaluation of the algorithms based on many datasets drawn from the fields of medicine (diseases and leisure (hobbies and show that the induced taxonomies are of high quality.

  17. 2009 report: A multi-refuge program to evaluate the effect of ungulate browsing on habitat

    Data.gov (United States)

    US Fish and Wildlife Service, Department of the Interior — This report describes the evaluation of ungulate browsing at six wildlife refuges in FWS Region 6 in 2009. The aim of evaluation was to determine if ungulate...

  18. Modeling Integration and Reuse of Heterogeneous Terminologies in Faceted Browsing Systems

    Science.gov (United States)

    Harris, Daniel R.

    2017-01-01

    We integrate heterogeneous terminologies into our category-theoretic model of faceted browsing and show that existing terminologies and vocabularies can be reused as facets in a cohesive, interactive system. Commonly found in online search engines and digital libraries, faceted browsing systems depend upon one or more taxonomies which outline the structure and content of the facets available for user interaction. Controlled vocabularies or terminologies are often externally curated and are available as a reusable resource across systems. We demonstrated previously that category theory can abstractly model faceted browsing in a way that supports the development of interfaces capable of reusing and integrating multiple models of faceted browsing. We extend this model by illustrating that terminologies can be reused and integrated as facets across systems with examples from the biomedical domain.

  19. Spatiotemporal variation in deer browse and tolerance in a woodland herb.

    Science.gov (United States)

    Prendeville, Holly R; Steven, Janet C; Galloway, Laura F

    2015-02-01

    Herbivory can shape the dynamics of plant populations, including effects on survival and reproduction, and is in turn affected by environmental factors that vary in space and time. White-tailed deer are significant herbivores in North America that have been broadly documented to affect plant reproductive success. If variation in the frequency and impact of herbivory by deer correlates with a broad-scale latitudinal gradient, climactic effects may be important for shaping plant-herbivore interactions, Alternatively, a lack of broad-scale gradients would suggest local factors such as plant community composition and deer densities are affecting herbivory. To investigate broad-scale patterns of deer herbivory, we examined the frequency and reproductive consequences of deer browse over three years in 17 populations of Campanulastrum americanum spanning the latitudinal extent of its range. Even though deer are overabundant throughout the range of C. americanum, we found spatiotemporal variation in deer browse frequency (0-0.96, mean 0.46) and its effects on plant reproductive success. The four southernmost populations experienced high levels of herbivory, and were responsible for generating a negative relationship between latitude and herbivory. In general, patterns of variation in the frequency and impact of herbivory across the entire latitudinal gradient pointed to the importance of local rather than broad-scale factors. Within a population, deer consumed larger plants. Across many populations and years, average fitnesses of browsed and uneaten plants were similar, suggesting that plants are tolerant to browse. However, since large plants have greater reproductive success and are more likely to be browsed, tolerance may be influenced by plant size. When plant size was accounted for, most populations did not fully compensate for browsing. There was no relationship between browsing intensity and tolerance, suggesting that browsing may be too variable to consistently

  20. Anthelmintic activity of some Mediterranean browse plants against parasitic nematodes.

    Science.gov (United States)

    Manolaraki, F; Sotiraki, S; Stefanakis, A; Skampardonis, V; Volanis, M; Hoste, H

    2010-04-01

    The anthelmintic properties of tannin-rich plants are being explored as an alternative to chemical drugs. Most data have been acquired on legume forages, but only few on browse plants. The present study aimed to (i) screen the in vitro effects of extracts from 7 Mediterranean plants on Haemonchus contortus, (ii) verify the role of tannins using an inhibitor, polyvinyl polypyrrolidone (PVPP) and (iii) verify the in vivo effects of extracts from 4 plants. Significant inhibition was shown in vitro using a larval migration inhibition (LMI) assay for all extracts except that from Olea europaea var. koroneiki. After adding PVPP, the LMI values were restored to control levels for all plants except Pistacia lentiscus and Ceratonia siliqua, confirming a role for tannins in the activity. In the in vivo experiment, 48 lambs composed 6 groups, depending on diet. On Day 0, groups G1-G5 received H. contortus and Trichostrongylus colubriformis larvae and G6 remained uninfected. The various diets were distributed from Days 14 to 45: P. lentiscus (G1), Quercus coccifera (G2), C. siliqua (G3), Onobrychis viciifolia (G4), or Medicago sativa for the 2 control groups (G5, G6). Egg excretion, packed cell volumes (PCVs) and inorganic phosphate were measured weekly throughout the entire experimental period. At slaughter, the worms were enumerated and their fecundity assessed. Consumption of the 4 browser plants did not provoke differences in pathophysiological measurements but there were significant decreases in egg excretion, mainly explained by significant decreases in worm fecundity for both species, without any statistical difference in worm numbers.

  1. Foliar Nutritional Quality Explains Patchy Browsing Damage Caused by an Invasive Mammal.

    Directory of Open Access Journals (Sweden)

    Hannah R Windley

    Full Text Available Introduced herbivores frequently inflict significant, yet patchy damage on native ecosystems through selective browsing. However, there are few instances where the underlying cause of this patchy damage has been revealed. We aimed to determine if the nutritional quality of foliage could predict the browsing preferences of an invasive mammalian herbivore, the common brushtail possum (Trichosurus vulpecula, in a temperate forest in New Zealand. We quantified the spatial and temporal variation in four key aspects of the foliar chemistry (total nitrogen, available nitrogen, in vitro dry matter digestibility and tannin effect of 275 trees representing five native tree species. Simultaneously, we assessed the severity of browsing damage caused by possums on those trees in order to relate selective browsing to foliar nutritional quality. We found significant spatial and temporal variation in nutritional quality among individuals of each tree species examined, as well as among tree species. There was a positive relationship between the available nitrogen concentration of foliage (a measure of in vitro digestible protein and the severity of damage caused by browsing by possums. This study highlights the importance of nutritional quality, specifically, the foliar available nitrogen concentration of individual trees, in predicting the impact of an invasive mammal. Revealing the underlying cause of patchy browsing by an invasive mammal provides new insights for conservation of native forests and targeted control of invasive herbivores in forest ecosystems.

  2. Research on Browsing Behavior in the Libraries: An Empirical Analysis of Consequences, Success and Influences

    Directory of Open Access Journals (Sweden)

    Shan-Ju L. Chang

    2000-12-01

    Full Text Available Browsing as an important part of human information behavior has been observed and investigated in the context of information seeking in the library in general and has assumed greater importance in human-machine interaction in particular. However, the nature and consequences of browsing are not well understood, and little is known of the success rate of such behavior.In this research, exploratory empirical case studies from three types of libraries were conducted, using questionnaires, observation logs, interviews, and computer search logs, to derive the empirical evidence to understand, from the user point of view, what are the consequences of browsing, what constitutes successful browsing, and what factors influence the extent of browsing. Content analysis and statistical analysis were conducted to analyze and synthesize the data. The research results show: (1 There are nine categories of the consequence of browsing, including accidental findings, modification of information need, found the desirable information, learning, feeling relaxation/recreational, information gathering, keeping updated, satisfying curiosity, and not finding what is needed. (2 Four factors that produce successful browsing: intention, the amount or quality of information, the utility of what is found, and help for solving problem or making judgment. (3 Three types of reasons for unsuccessful experience in browsing: not finding what one wanted, inadequate volume or quality of information, and not finding some things useful or interesting. (4 Three types of reasons for partial success: found the intended object but not happy with the quality or amount of information in it, not finding what one wanted but discovering new or potential useful information, not accomplish one purpose but achieve another one given multiple purposes. (5 The influential factors that affect the extent one engages in browsing include browser’s time, scheme of information organization, proximity to

  3. Design and Implementation of the Personalized Search Engine Based on the Improved Behavior of User Browsing

    Directory of Open Access Journals (Sweden)

    Wei-Chao Li

    2013-02-01

    Full Text Available An improved user profile based on the user browsing behavior is proposed in this study. In the user profile, the user browsing web pages behaviors, the level of interest to keywords, the user's short-term interest and long-term interest are overall taken into account. The improved user profile based on the user browsing behavior is embedded in the personalized search engine system. The basic framework and the basic functional modules of the system are described detailed in this study. A demonstration system of IUBPSES is developed in the .NET platform. The results of the simulation experiments indicate that the retrieval effects which use the IUBPSES based on the improved user profile for information search surpass the current mainstream search engines. The direction of improvement and further research is proposed in the finally.

  4. The Philosophy behind a (Danish) Voice-controlled Interface to Internet Browsing for motor-handicapped

    DEFF Research Database (Denmark)

    Brøndsted, Tom

    2005-01-01

    The public-funded project "Indtal" ("Speak-it") has succeeded in developing a Danish voice-controlled utility for internet browsing targeting motor-handicapped users having difficulties using a standard keyboard and/or a standard mouse. The system underlies a number of a priori defined design...... criteria: learnability and memorability rather than naturalness, minimal need for maintenance after release, support for "all" web standards (not just HTML conforming to certain "recommendations"), independency of the language on the websites being browsed, allowance for multimodal control along...

  5. Preference of goats (Capra hircus L.) for tanniniferous browse species available in semi-arid areas in Ethiopia

    NARCIS (Netherlands)

    Mengistu, G.; Bezabih, M.; Hendriks, W.H.; Pellikaan, W.F.

    2016-01-01

    The objectives were to determine browse species preference of goats using dry matter intake (DMI) as a proxy, to compare preference when offered in combination with polyethylene glycol (PEG) and to establish relationships between browse species intake and chemical compositional data. Air-dried le

  6. Contextualization of topics - browsing through terms, authors, journals and cluster allocations

    NARCIS (Netherlands)

    Koopman, Rob; Wang, Shenghui; Scharnhorst, Andrea

    2015-01-01

    This paper builds on an innovative Information Retrieval tool, Ariadne. The tool has been developed as an interactive network visualization and browsing tool for large-scale bibliographic databases. It basically allows to gain insights into a topic by contextualizing a search query (Koopman et al.,

  7. Browsing and Querying in Online Documentation:A Study of User Interfaces and the Interaction Process

    DEFF Research Database (Denmark)

    Hertzum, Morten; Frøkjær, Erik

    1996-01-01

    A user interface study concerning the usage effectiveness of selected retrieval modes was conducted using an experimental text retrieval system, TeSS, giving access to online documentation of certain programming tools. Four modes of TeSS were compared: (1) browsing, (2) conventional boolean...

  8. Manipulating sheep browsing levels on coyote willow (Salix exigua) with supplements

    Science.gov (United States)

    Macronutrients and additives have been used to suppress or promote intake of upland tannin-containing browse species by livestock, but to our knowledge this technique has not been applied to sheep that feed on tannin-containing species in riparian areas. The objective of this study was to determine ...

  9. Browse species from Ethiopia: role in methane reduction and nematode control in goats

    NARCIS (Netherlands)

    Mengistu, Genet F.

    2017-01-01

    The aim of the research reported in this thesis was to evaluate browse species collected from Ethiopia for preference by goats, and for their in vitro anthelmintic and methane (CH4) reduction properties. During the conduct of the studies observations were made warranting a further aim, to compare in

  10. Establishment, survival, and growth of selected browse species in a ponderosa pine forest

    Science.gov (United States)

    Dietz, D.R.; Uresk, D.W.; Messner, H.E.; McEwen, L.C.

    1980-01-01

    Information is presented on establishment, survival, and growth of seven selected browse species in a ponderosa pine forest over a 10-year period. Methods of establishment included hand seeding and planting bare-root and containerized stock. Success of different methods differed with shrub species.

  11. Product features and task effects on experienced richness, control and engagement in voicemail browsing

    NARCIS (Netherlands)

    Rozendaal, M.C.; Keyson, D.V.; De Ridder, H.

    2008-01-01

    A recent focus is on creating engaging user experiences with digital products and services such as voicemail. This study aims to design towards increased levels of engagement in voicemail browsing by using the ‘Richness, Control and Engagement’ (RC & E) framework. This framework explains the levels

  12. System architecture for integrating semantic and iconic content for intelligent browsing of medical images

    Science.gov (United States)

    Tang, Lilian H.; Hanka, Rudolf; Ip, Horace H. S.

    1998-07-01

    Two sources of information play key roles in a collection of medical images such as computer tomographs, X-rays and histological slides, they are (1) textual descriptions relating to the image content and (2) visual features that can be seen on the image itself. The former are traditionally made by human specialists (e.g. histopathologists, radiographers, etc.) who interpret the image, and the latter are the inherent characteristics of images. This research program aims to study the architectural issues of a system which combines and interprets the information inherent in these two media to achieve automatic intelligent browsing of medical images. To give the research some practical significance, we applied the architecture to the design of the I-BROWSE system which is being developed jointly by the City University of Hong Kong and the Clinical School of the University of Cambridge. I- BROWSE is aimed to support intelligent retrieval and browsing of histological images obtained along the gastrointestinal tract (GI tract). Within such an architecture, given a query image or a populated image, a set of low level image feature measurements are obtained from a Visual Feature Detector, and with the help of knowledge bases and reasoning engines, the Semantic Analyzer derives, using an semantic feature generation and verification paradigm, the high level attributes for the image and furthermore automatically generates textual annotations for it. If the input image is accompanied with annotations made by a human specialist, the system will also analyze, combine and verify these two level of information, i.e., iconic and semantic contents. In the paper, we present the architectural issues and the strategies needed to support such information fusion process as well as the potentials of intelligent browsing using this dual- content-based approach.

  13. Observing Strategies Used by Children When Selecting Books to Browse, Read or Borrow

    Directory of Open Access Journals (Sweden)

    Syahranah A. Raqi

    2008-06-01

    Full Text Available This paper described 1. the investigation undertaken to trace the strategies used by children in selecting books to borrow, use or browse in two children’s public libraries, and 2. map the information seeking patterns adopted by the selected children. The sample comprised 43 children who used the Bayan Budiman Children’s Library, Petaling Jaya and the Kuala Lumpur Children’s Library. The children were randomly chosen, aged between 7 and 12 and comprised those who entered the library with the observed behaviour of selecting books to browse, use or borrow. Two stages were used to collect data; 1. observing the children’s behavior as they enter the library to the point when they pick up a book to browse, read or borrow for fifteen to twenty minutes and 2. interviewing those selected with a semi-structure questionnaire. Belkin, et al’s (1993 information search strategy (ISS dimensions were used to transcribe children’s browsing and selecting behavior. Based on the observations and interviews respondent’s behaviour was mapped to illustrate the children’s choosing process. The findings indicated that 1. browsing was the most popular method used when choosing a book combined with various strategies such as looking for a book by an author or series, finding a book by subjects, visually or physically scanning and recognizing the physical composition of the book; 2. children based their selection on the storyline, illustrations, cover designs and typography of the books; and 3. the searching behaviour is likely to be non-linear in nature. The majority of the children faced no problems in choosing or locating a book as most are regular visitors. A few indicated being overwhelmed by the library’s large collection or, face initial confusion before they started to browse and interact with resources. Children used visual cues rather from textual information when searching for books, inferring that children libraries need to be supported with

  14. Enabling Semantic Analysis of User Browsing Patterns in the Web of Data

    CERN Document Server

    Hoxha, Julia; Agarwal, Sudhir

    2012-01-01

    A useful step towards better interpretation and analysis of the usage patterns is to formalize the semantics of the resources that users are accessing in the Web. We focus on this problem and present an approach for the semantic formalization of usage logs, which lays the basis for eective techniques of querying expressive usage patterns. We also present a query answering approach, which is useful to nd in the logs expressive patterns of usage behavior via formulation of semantic and temporal-based constraints. We have processed over 30 thousand user browsing sessions extracted from usage logs of DBPedia and Semantic Web Dog Food. All these events are formalized semantically using respective domain ontologies and RDF representations of the Web resources being accessed. We show the eectiveness of our approach through experimental results, providing in this way an exploratory analysis of the way users browse theWeb of Data.

  15. Remote sensing information sciences research group: Browse in the EOS era

    Science.gov (United States)

    Estes, John E.; Star, Jeffrey L.

    1989-01-01

    The problem of science data browse was examined. Given the tremendous data volumes that are planned for future space missions, particularly the Earth Observing System in the late 1990's, the need for access to large spatial databases must be understood. Work was continued to refine the concept of data browse. Further, software was developed to provide a testbed of the concepts, both to locate possibly interesting data, as well as view a small portion of the data. Build II was placed on a minicomputer and a PC in the laboratory, and provided accounts for use in the testbed. Consideration of the testbed software as an element of in-house data management plans was begun.

  16. A Quaternary-Stage User Interest Model Based on User Browsing Behavior and Web Page Classification

    Institute of Scientific and Technical Information of China (English)

    Zongli Jiang; Hang Su

    2012-01-01

    The key to personalized search engine lies in user model. Traditional personalized model results in that the search results of secondary search are partial to the long-term interests, besides, forgetting to the long-term interests disenables effective recollection of user interests. This paper presents a quaternary-stage user interest model based on user browsing behavior and web page classification, which consults the principles of cache and recycle bin in operating system, by setting up an illuminating text-stage and a recycle bin interest-stage in front and rear of the traditional interest model respectively to constitute the quaternary-stage user interest model. The model can better reflect the user interests, by using an adaptive natural weight and its calculation method, and by efficiently integrating user browsing behavior and web document content.

  17. Change in Mesoherbivore Browsing Is Mediated by Elephant and Hillslope Position.

    Science.gov (United States)

    Lagendijk, D D Georgette; Thaker, Maria; de Boer, Willem F; Page, Bruce R; Prins, Herbert H T; Slotow, Rob

    2015-01-01

    Elephant are considered major drivers of ecosystems, but their effects within small-scale landscape features and on other herbivores still remain unclear. Elephant impact on vegetation has been widely studied in areas where elephant have been present for many years. We therefore examined the combined effect of short-term elephant presence (elephant presence did not affect woody species assemblages, but did affect height distribution, with greater sapling densities in elephant access areas. Overall tree and stem densities were also not affected by elephant. By contrast, slope position affected woody species assemblages, but not height distributions and densities. Variation in species assemblages was statistically best explained by levels of total cations, Zinc, sand and clay. Although elephant and mesoherbivore browsing intensities were unaffected by slope position, we found lower mesoherbivore browsing intensity on crests with high elephant browsing intensity. Thus, elephant appear to indirectly facilitate the survival of saplings, via the displacement of mesoherbivores, providing a window of opportunity for saplings to grow into taller trees. In the short-term, effects of elephant can be minor and in the opposite direction of expectation. In addition, such behavioural displacement promotes recruitment of saplings into larger height classes. The interaction between slope position and elephant effect found here is in contrast with other studies, and illustrates the importance of examining ecosystem complexity as a function of variation in species presence and topography. The absence of a direct effect of elephant on vegetation, but the presence of an effect on mesoherbivore browsing, is relevant for conservation areas especially where both herbivore groups are actively managed.

  18. Search the Audio, Browse the Video—A Generic Paradigm for Video Collections

    OpenAIRE

    Efrat Alon; Amir Arnon; Srinivasan Savitha

    2003-01-01

    The amount of digital video being shot, captured, and stored is growing at a rate faster than ever before. The large amount of stored video is not penetrable without efficient video indexing, retrieval, and browsing technology. Most prior work in the field can be roughly categorized into two classes. One class is based on image processing techniques, often called content-based image and video retrieval, in which video frames are indexed and searched for visual content. The other class is bas...

  19. Using Context Dependent Semantic Similarity to Browse Information Resources: an Application for the Industrial Design

    CERN Document Server

    Albertoni, Riccardo

    2010-01-01

    This paper deals with the semantic interpretation of information resources (e.g., images, videos, 3D models). We present a case study of an approach based on semantic and context dependent similarity applied to the industrial design. Different application contexts are considered and modelled to browse a repository of 3D digital objects according to different perspectives. The paper briefly summarises the basic concepts behind the semantic similarity approach and illustrates its application and results.

  20. Spectral images browsing using principal component analysis and set partitioning in hierarchical tree

    Science.gov (United States)

    Ma, Long; Zhao, Deping

    2011-12-01

    Spectral imaging technology have been used mostly in remote sensing, but have recently been extended to new area requiring high fidelity color reproductions like telemedicine, e-commerce, etc. These spectral imaging systems are important because they offer improved color reproduction quality not only for a standard observer under a particular illuminantion, but for any other individual exhibiting normal color vision capability under another illuminantion. A possibility for browsing of the archives is needed. In this paper, the authors present a new spectral image browsing architecture. The architecture for browsing is expressed as follow: (1) The spectral domain of the spectral image is reduced with the PCA transform. As a result of the PCA transform the eigenvectors and the eigenimages are obtained. (2) We quantize the eigenimages with the original bit depth of spectral image (e.g. if spectral image is originally 8bit, then quantize eigenimage to 8bit), and use 32bit floating numbers for the eigenvectors. (3) The first eigenimage is lossless compressed by JPEG-LS, the other eigenimages were lossy compressed by wavelet based SPIHT algorithm. For experimental evalution, the following measures were used. We used PSNR as the measurement for spectral accuracy. And for the evaluation of color reproducibility, ΔE was used.here standard D65 was used as a light source. To test the proposed method, we used FOREST and CORAL spectral image databases contrain 12 and 10 spectral images, respectively. The images were acquired in the range of 403-696nm. The size of the images were 128*128, the number of bands was 40 and the resolution was 8 bits per sample. Our experiments show the proposed compression method is suitable for browsing, i.e., for visual purpose.

  1. Decreasing deer browsing pressure influenced understory vegetation dynamics over 30 years

    OpenAIRE

    Boulanger, Vincent; Baltzinger, Christophe; Saïd, Sonia; Ballon, Philippe; Picard, Jean-Francois; Dupouey, Jean-Luc

    2015-01-01

    Key message Thanks to the concomitant recordings of vegetation and deer browsing sampled first in 1976, then resurveyed in 2006, we show that forest plant communities shifted in response to deer population dynamics, stand management and eutrophication. Context and aims High deer populations alter forest under-story dynamics worldwide. However, no study ever attempted to rank the importance of deer herbivory relatively to other environmental drivers. In the Arc-en-Barrois National Forest (...

  2. Effect of browsing on willow in the Steel Creek grazing allotment

    Science.gov (United States)

    Keigley, R.B.; Gale, Gil

    2000-01-01

    The Steel Creek drainage serves as both wildlife range (primarily moose and elk) and as a livestock grazing allotment. For some years there has been concern about the effect of browsing on willows. Dense clusters of twigs have formed at the end of branches; entire stems of some plants have died. As of 1996, the relative impacts attributable to each of the ungulate species had not been documented.

  3. Search the Audio, Browse the Video—A Generic Paradigm for Video Collections

    Science.gov (United States)

    Amir, Arnon; Srinivasan, Savitha; Efrat, Alon

    2003-12-01

    The amount of digital video being shot, captured, and stored is growing at a rate faster than ever before. The large amount of stored video is not penetrable without efficient video indexing, retrieval, and browsing technology. Most prior work in the field can be roughly categorized into two classes. One class is based on image processing techniques, often called content-based image and video retrieval, in which video frames are indexed and searched for visual content. The other class is based on spoken document retrieval, which relies on automatic speech recognition and text queries. Both approaches have major limitations. In the first approach, semantic queries pose a great challenge, while the second, speech-based approach, does not support efficient video browsing. This paper describes a system where speech is used for efficient searching and visual data for efficient browsing, a combination that takes advantage of both approaches. A fully automatic indexing and retrieval system has been developed and tested. Automated speech recognition and phonetic speech indexing support text-to-speech queries. New browsable views are generated from the original video. A special synchronized browser allows instantaneous, context-preserving switching from one view to another. The system was successfully used to produce searchable-browsable video proceedings for three local conferences.

  4. Search the Audio, Browse the Video—A Generic Paradigm for Video Collections

    Directory of Open Access Journals (Sweden)

    Efrat Alon

    2003-01-01

    Full Text Available The amount of digital video being shot, captured, and stored is growing at a rate faster than ever before. The large amount of stored video is not penetrable without efficient video indexing, retrieval, and browsing technology. Most prior work in the field can be roughly categorized into two classes. One class is based on image processing techniques, often called content-based image and video retrieval, in which video frames are indexed and searched for visual content. The other class is based on spoken document retrieval, which relies on automatic speech recognition and text queries. Both approaches have major limitations. In the first approach, semantic queries pose a great challenge, while the second, speech-based approach, does not support efficient video browsing. This paper describes a system where speech is used for efficient searching and visual data for efficient browsing, a combination that takes advantage of both approaches. A fully automatic indexing and retrieval system has been developed and tested. Automated speech recognition and phonetic speech indexing support text-to-speech queries. New browsable views are generated from the original video. A special synchronized browser allows instantaneous, context-preserving switching from one view to another. The system was successfully used to produce searchable-browsable video proceedings for three local conferences.

  5. Mining Fuzzy Weighted Browsing Patterns from Time Duration and with Linguistic Thresholds

    Directory of Open Access Journals (Sweden)

    Tzung P. Hong

    2008-01-01

    Full Text Available World-wide-web applications have grown very rapidly and have made a significant impact on computer systems. Among them, web browsing for useful information may be most commonly seen. Due to its tremendous amounts of use, efficient and effective web retrieval has become a very important research topic in this field. Techniques of web mining have thus been requested and developed to achieve this purpose. In this research, a new fuzzy weighted web-mining algorithm is proposed, which can process web-server logs to discover useful users’ browsing behaviors from the time durations of the paged browsed. Since the time durations are numeric, fuzzy concepts are used here to process them and to form linguistic terms. Besides, different web pages may have different importance. The importance of web pages are evaluated by managers as linguistic terms, which are then transformed and averaged as fuzzy sets of weights. Each linguistic term is then weighted by the importance for its page. Only the linguistic term with the maximum cardinality for a page is chosen in later mining processes, thus reducing the time complexity. The minimum support is set linguistic, which is more natural and understandable for human beings. An example is given to clearly illustrate the proposed approach.

  6. Software for browsing sectioned images of a dog body and generating a 3D model.

    Science.gov (United States)

    Park, Jin Seo; Jung, Yong Wook

    2016-01-01

    The goals of this study were (1) to provide accessible and instructive browsing software for sectioned images and a portable document format (PDF) file that includes three-dimensional (3D) models of an entire dog body and (2) to develop techniques for segmentation and 3D modeling that would enable an investigator to perform these tasks without the aid of a computer engineer. To achieve these goals, relatively important or large structures in the sectioned images were outlined to generate segmented images. The sectioned and segmented images were then packaged into browsing software. In this software, structures in the sectioned images are shown in detail and in real color. After 3D models were made from the segmented images, the 3D models were exported into a PDF file. In this format, the 3D models could be manipulated freely. The browsing software and PDF file are available for study by students, for lecture for teachers, and for training for clinicians. These files will be helpful for anatomical study by and clinical training of veterinary students and clinicians. Furthermore, these techniques will be useful for researchers who study two-dimensional images and 3D models.

  7. Effect of tropical browse leaves supplementation on rumen enzymes of sheep and goats fed Dichanthium annulatum grass-based diets.

    Science.gov (United States)

    Singh, Sultan; Kundu, S S

    2010-08-01

    In a switch-over experiment, eight male animals, four each of sheep and goats of local breeds with mean body weight of 26. 8 +/- 2.0 and 30.0 +/- 2.1 kg, were fed Dichanthium annulatum (DA) grass and four browse species viz. Helictris isora, Securengia virosa, Leucaena leucocephala (LL) and Hardwickia binnata (HB) in four feeding trials to assess their supplementary effect on activity of rumen enzymes. The sheep and goats were offered DA grass with individual browse in 75:25 and 50:50 proportions, respectively, for more than 3 months during each feeding trial, and rumen liquor samples were collected twice at 0 and 4 h post feeding after 60 and 90 days of feeding. Glutamate oxaloacetate transaminase (GOT), glutamate pyruvate transaminase (GPT) and glutamate dehydrogenase (GDH) enzymes were determined in the bacteria and protozoa fractions of rumen liquor, while cellulase enzyme activity was measured in mixed rumen liquor. LL and HB had the highest and lowest contents of CP, while fibre contents were lower in early than later browse leaves. Supplementation of browse leaves significantly (P goats on all DA grass-browse-supplemented diets except DA-HB (42.8 units/mg protein), where activity was significantly (P grass. Browse leaves significantly (P diet (144.8 microg sugar/mg protein). Goat exhibited higher activities of GOT and GPT than sheep in both bacteria and protozoa fraction of rumen liquor, while cellulase activity was similar between the animal species on the grass-browse leaves diets. Results indicate that browse leaves supplementation affect the enzyme activities of sheep and goats rumen, while the goats rumen liquor had higher activities of GOT, GPT and GDH enzyme than sheep.

  8. Preference of goats (Capra hircus L.) for tanniniferous browse species available in semi-arid areas in Ethiopia.

    Science.gov (United States)

    Mengistu, G; Bezabih, M; Hendriks, W H; Pellikaan, W F

    2016-11-29

    The objectives were to determine browse species preference of goats using dry matter intake (DMI) as a proxy, to compare preference when offered in combination with polyethylene glycol (PEG) and to establish relationships between browse species intake and chemical compositional data. Air-dried leaves of Acacia etbaica, Cadaba farinosa, Capparis tomentosa, Dichrostachys cinerea, Dodonaea angustifolia, Euclea racemosa, Maerua angolensis, Maytenus senegalensis, Rhus natalensis and Senna singueana were used. Two cafeteria trials, each lasting 10 days, were conducted using four local mature male goats of 2-2.5 years receiving a daily ration of grass hay (4% of body weight) and 200 g wheat bran. In trial 1, goats were offered 25 g of each browse species for a total of 30 min with intake, time spent on consumption and the number of visits to specific browse species recorded at 10-min intervals. In trial 2, the same procedure was followed except that 25 g of PEG 4000 was added to the daily wheat bran ration. Crude protein and neutral detergent fibre in browse species ranged from 69.0-245.5 to 159.8-560.6 g/kg dry matter (DM) respectively. Total phenols and total tannins contents ranged between 3.7-70.6 and 2.5-68.1 mg tannic acid equivalent/g DM, respectively, and condensed tannins 1.7-18.4 Abs550 nm /g DM. Preference indicators measured in the first 10 min of browse species intake differed significantly among browse species and with PEG (p < 0.0001). Principal components explained 69.9% of the total variation in browse species DMI. Despite the high tannin levels, D. cinerea, R. natalensis and A. etbaica were the most preferred species regardless of PEG presence. Tannin levels at the observed browse species DMI did not determine preference, instead, preference appeared to be based on hemicellulose. Determining browse species preference is essential to exploit them to improve nutrient utilization and control parasites in goats.

  9. The tissue micro-array data exchange specification: a web based experience browsing imported data

    Directory of Open Access Journals (Sweden)

    Ayers Leona W

    2005-08-01

    Full Text Available Abstract Background The AIDS and Cancer Specimen Resource (ACSR is an HIV/AIDS tissue bank consortium sponsored by the National Cancer Institute (NCI Division of Cancer Treatment and Diagnosis (DCTD. The ACSR offers to approved researchers HIV infected biologic samples and uninfected control tissues including tissue cores in micro-arrays (TMA accompanied by de-identified clinical data. Researchers interested in the type and quality of TMA tissue cores and the associated clinical data need an efficient method for viewing available TMA materials. Because each of the tissue samples within a TMA has separate data including a core tissue digital image and clinical data, an organized, standard approach to producing, navigating and publishing such data is necessary. The Association for Pathology Informatics (API extensible mark-up language (XML TMA data exchange specification (TMA DES proposed in April 2003 provides a common format for TMA data. Exporting TMA data into the proposed format offers an opportunity to implement the API TMA DES. Using our public BrowseTMA tool, we created a web site that organizes and cross references TMA lists, digital "virtual slide" images, TMA DES export data, linked legends and clinical details for researchers. Microsoft Excel® and Microsoft Word® are used to convert tabular clinical data and produce an XML file in the TMA DES format. The BrowseTMA tool contains Extensible Stylesheet Language Transformation (XSLT scripts that convert XML data into Hyper-Text Mark-up Language (HTML web pages with hyperlinks automatically added to allow rapid navigation. Results Block lists, virtual slide images, legends, clinical details and exports have been placed on the ACSR web site for 14 blocks with 1623 cores of 2.0, 1.0 and 0.6 mm sizes. Our virtual microscope can be used to view and annotate these TMA images. Researchers can readily navigate from TMA block lists to TMA legends and to clinical details for a selected tissue core

  10. Advanced Techniques in Web Intelligence-2 Web User Browsing Behaviour and Preference Analysis

    CERN Document Server

    Palade, Vasile; Jain, Lakhmi

    2013-01-01

    This research volume focuses on analyzing the web user browsing behaviour and preferences in traditional web-based environments, social  networks and web 2.0 applications,  by using advanced  techniques in data acquisition, data processing, pattern extraction and  cognitive science for modeling the human actions.  The book is directed to  graduate students, researchers/scientists and engineers  interested in updating their knowledge with the recent trends in web user analysis, for developing the next generation of web-based systems and applications.

  11. Coupling News Sentiment with Web Browsing Data Improves Prediction of Intra-Day Price Dynamics.

    Directory of Open Access Journals (Sweden)

    Gabriele Ranco

    Full Text Available The new digital revolution of big data is deeply changing our capability of understanding society and forecasting the outcome of many social and economic systems. Unfortunately, information can be very heterogeneous in the importance, relevance, and surprise it conveys, affecting severely the predictive power of semantic and statistical methods. Here we show that the aggregation of web users' behavior can be elicited to overcome this problem in a hard to predict complex system, namely the financial market. Specifically, our in-sample analysis shows that the combined use of sentiment analysis of news and browsing activity of users of Yahoo! Finance greatly helps forecasting intra-day and daily price changes of a set of 100 highly capitalized US stocks traded in the period 2012-2013. Sentiment analysis or browsing activity when taken alone have very small or no predictive power. Conversely, when considering a news signal where in a given time interval we compute the average sentiment of the clicked news, weighted by the number of clicks, we show that for nearly 50% of the companies such signal Granger-causes hourly price returns. Our result indicates a "wisdom-of-the-crowd" effect that allows to exploit users' activity to identify and weigh properly the relevant and surprising news, enhancing considerably the forecasting power of the news sentiment.

  12. JAtlasView: a Java atlas-viewer for browsing biomedical 3D images and atlases

    Directory of Open Access Journals (Sweden)

    Scott Mark

    2005-03-01

    Full Text Available Abstract Background Many three-dimensional (3D images are routinely collected in biomedical research and a number of digital atlases with associated anatomical and other information have been published. A number of tools are available for viewing this data ranging from commercial visualization packages to freely available, typically system architecture dependent, solutions. Here we discuss an atlas viewer implemented to run on any workstation using the architecture neutral Java programming language. Results We report the development of a freely available Java based viewer for 3D image data, descibe the structure and functionality of the viewer and how automated tools can be developed to manage the Java Native Interface code. The viewer allows arbitrary re-sectioning of the data and interactive browsing through the volume. With appropriately formatted data, for example as provided for the Electronic Atlas of the Developing Human Brain, a 3D surface view and anatomical browsing is available. The interface is developed in Java with Java3D providing the 3D rendering. For efficiency the image data is manipulated using the Woolz image-processing library provided as a dynamically linked module for each machine architecture. Conclusion We conclude that Java provides an appropriate environment for efficient development of these tools and techniques exist to allow computationally efficient image-processing libraries to be integrated relatively easily.

  13. Coupling News Sentiment with Web Browsing Data Improves Prediction of Intra-Day Price Dynamics.

    Science.gov (United States)

    Ranco, Gabriele; Bordino, Ilaria; Bormetti, Giacomo; Caldarelli, Guido; Lillo, Fabrizio; Treccani, Michele

    2016-01-01

    The new digital revolution of big data is deeply changing our capability of understanding society and forecasting the outcome of many social and economic systems. Unfortunately, information can be very heterogeneous in the importance, relevance, and surprise it conveys, affecting severely the predictive power of semantic and statistical methods. Here we show that the aggregation of web users' behavior can be elicited to overcome this problem in a hard to predict complex system, namely the financial market. Specifically, our in-sample analysis shows that the combined use of sentiment analysis of news and browsing activity of users of Yahoo! Finance greatly helps forecasting intra-day and daily price changes of a set of 100 highly capitalized US stocks traded in the period 2012-2013. Sentiment analysis or browsing activity when taken alone have very small or no predictive power. Conversely, when considering a news signal where in a given time interval we compute the average sentiment of the clicked news, weighted by the number of clicks, we show that for nearly 50% of the companies such signal Granger-causes hourly price returns. Our result indicates a "wisdom-of-the-crowd" effect that allows to exploit users' activity to identify and weigh properly the relevant and surprising news, enhancing considerably the forecasting power of the news sentiment.

  14. Scaling the effects of moose browsing on forage distribution, from the geometry of plant canopies to landscapes

    Science.gov (United States)

    De Jager, N. R.; Pastor, J.; Hodgson, A.L.

    2009-01-01

    Landscape heterogeneity influences large herbivores by altering their feeding rates, but as herbivores attempt to maximize feeding rates they also create spatial heterogeneity by altering plant growth. Herbivore feeding rates thus provide a quantitative link between the causes and consequences of spatial heterogeneity in herbivore-dominated ecosystems. The fractal geometry of plant canopies determines both the density and mass of twigs available to foraging herbivores. These properties determine a threshold distance between plants (d*) that distinguishes the mechanisms regulating herbivore intake rates. When d* is greater than the actual distance between plants (d), intake is regulated by the rate of food processing in the mouth. But when d* moose browsing from 2001 to 2005 at Isle Royale National Park, Michigan, USA. For aspen saplings, fractal dimension of bite density, bite mass, and forage biomass responded quadratically to increasing moose browsing and were greatest at -3-4 g-g.m-2.yr"1 consumption. For balsam fir, in contrast, these same measures declined steadily with increasing moose browsing. The different responses of plant canopies to increased browsing altered d* around plants. In summer, d* > d for aspen saplings at all prior consumption levels. Food processing therefore regulated summer moose feeding rates across our landscapes. In winter, changes in bite mass due to past browsing were sufficient to cause d* < d for aspen and balsam fir. Therefore, travel velocity and food processing jointly regulated intake rate during winter. Browsing-induced changes in the small-scale geometry of plant canopies can determine intake rate at larger spatial scales by changing d* relative to d and, hence, which mechanisms determine intake rate, essentially altering how herbivores sense the distribution of their food resources. ?? 2009 by the Ecological Society of America.

  15. Roe deer browsing effects on growth development of Turkey oak and chestnut coppices.

    Directory of Open Access Journals (Sweden)

    Andrea Cutini

    2010-12-01

    Full Text Available Normal 0 14 false false false MicrosoftInternetExplorer4 Over the last three decades wild ungulates populations in Italy increased to values ranging from 300% to 600%. As a consequence, in Italy as well as in other European countries, situations with high ungulate density and, then, negative effects on the stability and dynamics of ecosystems, are increasing frequently. Starting from these evidences we investigated the effects of roe deer population on the vegetative regeneration of two different broadleaved tree species: Turkey oak (Quercus cerris L. and chestnut (Castanea sativa Mill. coppice stands. In Alpe di Catenaia (Apennines – Central Italy, after coppicing in 2002, we chose six experimental areas where fenced (P and non-fenced (NP plots were established. Measurements were performed at the beginning of the study period and in winter 2008 in both P and NP plots. Diameter and    height of all sprouts were measured. Results showed a different impact of roe deer on the two species. After seven years chestnut did not show any significant browsing-related damage, while in Turkey oak heavy differences between protected and non-protected areas are present: in NP plots roe deer browsing has produced a significant reduction in basal area (58% and volume (57% compared to P plots. The results agree with previous studies and confirm: (a a selective browsing pressure on Turkey oak; (b the lasting effect of the early impact after clear cutting, visible even seven years after. Based on the findings, we discussed the need for an integrated management of forest vegetation and forest fauna which should define the density of ungulates not only according to the theoretical carrying capacity    of ecosystems, but also considering (i the preservation of the ecosystem overall functionality, (ii the forest structure development and (iii the forest management type. st1\\:*{behavior:url(#ieooui } /* Style Definitions */ table.MsoNormalTable {mso

  16. Browsing through 3D representations of unstructured picture collections: an empirical study

    CERN Document Server

    Christmann, Olivier

    2007-01-01

    The paper presents a 3D interactive representation of fairly large picture collections which facilitates browsing through unstructured sets of icons or pictures. Implementation of this representation implies choosing between two visualization strategies: users may either manipulate the view (OV) or be immersed in it (IV). The paper first presents this representation, then describes an empirical study (17 participants) aimed at assessing the utility and usability of each view. Subjective judgements in questionnaires and debriefings were varied: 7 participants preferred the IV view, 4 the OV one, and 6 could not choose between the two. Visual acuity and visual exploration strategies seem to have exerted a greater influence on participants' preferences than task performance or feeling of immersion.

  17. A Web-Based System for Remote Data Browsing in HT-7 Tokamak

    Institute of Scientific and Technical Information of China (English)

    Cheng Ting; Luo Jiarong; Meng Yuedong; Wang Huazhong

    2005-01-01

    HT-7 is the first superconducting tokamak device for fusion research in China. Many experiments have been performed on the HT-7 tokamak since 1994 with numerous satisfactory results achieved in the fusion research field. As more and better communication is required with other fusion research laboratories, remote access to experimental data is becoming increasingly important in order to raise the degree of openness of experiments and to expand research results.The web-based remote data browsing system enables authorized users in geographically different locations to view and search for experimental data without having to install any utility software at their terminals. The three-tier software architecture and thin client technology are used to operate the system effectively. This paper describes the structure of the system and the realization of its functions, focusing on three main points: the communication between the participating tiers, the data structure of the system and the visualization of the raw data on web pages.

  18. The emotional responses of browsing Facebook: Happiness, envy, and the role of tie strength.

    Science.gov (United States)

    Lin, Ruoyun; Utz, Sonja

    2015-11-01

    On Facebook, users are exposed to posts from both strong and weak ties. Even though several studies have examined the emotional consequences of using Facebook, less attention has been paid to the role of tie strength. This paper aims to explore the emotional outcomes of reading a post on Facebook and examine the role of tie strength in predicting happiness and envy. Two studies - one correlational, based on a sample of 207 American participants and the other experimental, based on a sample of 194 German participants - were conducted in 2014. In Study 2, envy was further distinguished into benign and malicious envy. Based on a multi-method approach, the results showed that positive emotions are more prevalent than negative emotions while browsing Facebook. Moreover, tie strength is positively associated with the feeling of happiness and benign envy, whereas malicious envy is independent of tie strength after reading a (positive) post on Facebook.

  19. Early and long-term impacts of browsing by roe deer in oak coppiced woods along a gradient of population density

    Directory of Open Access Journals (Sweden)

    Francesco Chianucci

    2015-01-01

    Full Text Available Over the last few decades, wild ungulate populations have exhibited relevant geographic and demographic expansion in most European countries; roe deer is amongst the most widespread ungulate species. The increasing roe deer densities have led to strong impact on forest regeneration; the problem has been recently recognized in coppice woods, a silvicultural system which is widespread in Italy, where it amounts to about 56% of the total national forested area.In this study we investigated the effect of roe deer browsing on the vegetative regeneration of Turkey oak few years after coppicing, along a gradient of roe deer density. A browsing index revealed that browsing impact was high at any given roe deer density but increased at higher density, with the browsing rate ranging from 65% to 79%. We also analyzed the long-term impact of browsing six and eleven years after coppicing under a medium roe deer density. Results indicated the early impact are not ephemeral but produced prolonged impacts through time, with an average reduction in volume of -57% and -41% six and eleven years after coppicing, respectively. Based on these results we proposed integrating browsing monitoring with roe deer density estimation to allow identifying ungulate densities which are compatible with silvicultural and forest management objectives. The proposed browsing index can be regarded as an effective management tool, on account of its simplicity and cost-effectiveness, being therefore highly suitable for routine, large scale monitoring of browsing impact.

  20. Contrasting responses of web-building spiders to deer browsing among habitats and feeding guilds.

    Science.gov (United States)

    Takada, Mayura; Baba, Yuki G; Yanagi, Yosuke; Terada, Saeko; Miyashita, Tadashi

    2008-08-01

    We examined web-building spider species richness and abundance in forests across a deer density gradient to determine the effects of sika deer browsing on spiders among habitats and feeding guilds. Deer decreased the abundance of web-building spiders in understory vegetation but increased their abundance in the litter layer. Deer seemed to affect web-building spiders in the understory vegetation by reducing the number of sites for webs because vegetation complexity was positively correlated with spider density and negatively correlated with deer density. In contrast, the presence of vegetation just above the litter layer decreased the spider density, and deer exerted a negative effect on this vegetation, possibly resulting in an indirect positive effect on spider density. The vegetation just above the litter layer may be unsuitable as a scaffold for building webs if it is too flexible to serve as a reliable web support, and may even hinder spiders from building webs on litter. Alternatively, the negative effect of this vegetation on spiders in the litter may be as a result of reduced local prey availability under the leaves because of the reduced accessibility of aerial insects. The response to deer browsing on web-building spiders that inhabit the understory vegetation varied with feeding guild. Deer tended to affect web-invading spiders, which inhabit the webs of other spiders and steal prey, more heavily than other web-building spiders, probably because of the accumulated effects of habitat fragmentation through the trophic levels. Thus, the treatment of a particular higher-order taxon as a homogeneous group could result in misleading conclusions about the effects of mammalian herbivores.

  1. Feeding characteristics reveal functional distinctions among browsing herbivorous fishes on coral reefs

    Science.gov (United States)

    Streit, Robert P.; Hoey, Andrew S.; Bellwood, David R.

    2015-12-01

    The removal of macroalgal biomass by fishes is a key process on coral reefs. Numerous studies have identified the fish species responsible for removing mature macroalgae, and have identified how this varies spatially, temporally, and among different algal types. None, however, have considered the behavioural and morphological traits of the browsing fishes and how this may influence the removal of macroalgal material. Using video observations of fish feeding on the brown macroalga Sargassum polycystum, we quantified the feeding behaviour and morphology of the four dominant browsing species on the Great Barrier Reef ( Kyphosus vaigiensis, Naso unicornis, Siganus canaliculatus, and Siganus doliatus). The greatest distinction between species was the algal material they targeted. K. vaigiensis and N. unicornis bit on the entire macroalgal thallus in approximately 90 % of bites. In contrast, Si. canaliculatus and Si. doliatus avoided biting the stalks, with 80-98 % of bites being on the macroalgal leaves only. This distinctive grouping into `entire thallus-biters' versus `leaf-biters' was not supported by size-standardized measures of biting morphology. Rather, species-specific adult body sizes, tooth shape, and feeding behaviour appear to underpin this functional distinction, with adults of the two larger fish species ( N. unicornis and K. vaigiensis) eating the entire macroalgal thallus, while the two smaller species ( Si. canaliculatus and Si. doliatus) bite only leaves. These findings caution against assumed homogeneity within this, and potentially other, functional groups on coral reefs. As functional redundancy within the macroalgal browsers is limited, the smaller `leaf-biting' species are unlikely to be able to compensate functionally for the loss of larger `entire thallus-biting' species.

  2. Chemical composition and digestibility of some browse plant species collected from Algerian arid rangelands

    Energy Technology Data Exchange (ETDEWEB)

    Boufennara, S.; Lopez, S.; Boussebouna, H.; Bodas, R.; Bouazza, L.

    2012-11-01

    Many wild browse and bush species are undervalued mainly because of insufficient knowledge about their potential feeding value. The objective was to evaluate some nutritional attributes of various Algerian browse and shub species (Atriplex halimus, Artemisia campestris, Artemisia herba-alba, Astragalus gombiformis, Calobota saharae, Retama raetam, Stipagrostis pungens, Lygeum spartum and Stipa tenacissima). Chemical composition, phenols and tannins concentration, in vitro digestibility, in vitro gas production kinetics and in vitro bio-assay for assessment of tannins using buffered rumen fluid, and in situ disappearence of the edible parts of the plants (leaves, thin twigs and flowers) were determined. In general, protein content in dicotyledon species was always greater than in monocotyledon grasses, these showing higher neutral and acid detergent fibre and lower lignin contents than dicots. The tannin concentrations varied considerably between species, but in general the plants investigated in this study had low tannin contents (except for Artemisia spp. and S. tenacissima). Monocots showed lower in vitro and in situ digestibilities, fermentation rate, cumulative gas production and extent of degradation than dicot species. The plants were clustered by principal components analysis in two groups: poor-quality grasses and the most digestible dicot species. Chemical composition (neutral detergent fibre and protein) and digestibility were the main influential variables determining the ranking. In conclusion, A. halimus, A. campestris, A. herba-alba and A. gombiformis can be considered of greater nutritional value than the highly fibrous and low digestible grasses (S. pungens, L. spartum and S. tenacissima) that should be considered emergency roughages. (Author) 46 refs.

  3. Self-medication with tannin-rich browse in goats infected with gastro-intestinal nematodes.

    Science.gov (United States)

    Amit, M; Cohen, I; Marcovics, A; Muklada, H; Glasser, T A; Ungar, E D; Landau, S Y

    2013-12-06

    Primates self-medicate to alleviate symptoms caused by gastro-intestinal nematodes (GIN) by consuming plants that contain secondary compounds. Would goats display the same dietary acumen? Circumstantial evidence suggests they could: goats in Mediterranean rangelands containing a shrub - Pistacia lentiscus - with known anthelmintic properties consume significant amounts of the shrub, particularly in the fall when the probability of being infected with GIN is greatest, even though its tannins impair protein metabolism and deter herbivory. In order to test rigorously the self-medication hypothesis in goats, we conducted a controlled study using 21 GIN-infected and 23 non-infected goats exposed to browse foliage from P. lentiscus, another browse species - Phillyrea latifolia, or hay during the build-up of infection. GIN-infected goats showed clear symptoms of infection, which was alleviated by P. lentiscus foliage but ingesting P. lentiscus had a detrimental effect on protein metabolism in the absence of disease. When given a choice between P. lentiscus and hay, infected goats of the Mamber breed showed higher preference for P. lentiscus than non-infected counterparts, in particular if they had been exposed to Phillyrea latifolia before. This was not found in Damascus goats. Damascus goats, which exhibit higher propensity to consume P. lentiscus may use it as a drug prophylactically, whereas Mamber goats, which are more reluctant to ingest it, select P. lentiscus foliage therapeutically. These results hint at subtle trade-offs between the roles of P. lentiscus as a food, a toxin and a medicine. This is the first evidence of self-medication in goats under controlled conditions. Endorsing the concept of self-medication could greatly modify the current paradigm of veterinary parasitology whereby man decides when and how to treat GIN-infected animals, and result in transferring this decision to the animals themselves.

  4. ADF/ADC Web Tools for Browsing and Visualizing Astronomical Catalogs and NASA Astrophysics Mission Metadata

    Science.gov (United States)

    Shaya, E.; Kargatis, V.; Blackwell, J.; Borne, K.; White, R. A.; Cheung, C.

    1998-05-01

    Several new web based services have been introduced this year by the Astrophysics Data Facility (ADF) at the NASA Goddard Space Flight Center. IMPReSS is a graphical interface to astrophysics databases that presents the user with the footprints of observations of space-based missions. It also aids astronomers in retrieving these data by sending requests to distributed data archives. The VIEWER is a reader of ADC astronomical catalogs and journal tables that allows subsetting of catalogs by column choices and range selection and provides database-like search capability within each table. With it, the user can easily find the table data most appropriate for their purposes and then download either the subset table or the original table. CATSEYE is a tool that plots output tables from the VIEWER (and soon AMASE), making exploring the datasets fast and easy. Having completed the basic functionality of these systems, we are enhancing the site to provide advanced functionality. These will include: market basket storage of tables and records of VIEWER output for IMPReSS and AstroBrowse queries, non-HTML table responses to AstroBrowse type queries, general column arithmetic, modularity to allow entrance into the sequence of web pages at any point, histogram plots, navigable maps, and overplotting of catalog objects on mission footprint maps. When completed, the ADF/ADC web facilities will provide astronomical tabled data and mission retrieval information in several hyperlinked environments geared for users at any level, from the school student to the typical astronomer to the expert datamining tools at state-of-the-art data centers.

  5. Access to Library Collections: Summary of a Documentary and Opinion Survey on the Direct Shelf Approach and Browsing

    Science.gov (United States)

    Hyman, Richard J.

    1971-01-01

    The validity of the direct shelf approach as a concept for organizing library materials, with special reference to its component, browsing" is investigated by this survey. Findings implied policy recommendations for library management and library school curricula. (33 references) (Author/NH)

  6. Web-Browsing Competencies of Pre-Service Adult Facilitators: Implications for Curriculum Transformation and Distance Learning

    Science.gov (United States)

    Theresa, Ofoegbu; Ugwu, Agboeze Matthias; Ihebuzoaju, Anyanwu Joy; Uche, Asogwa

    2013-01-01

    The study investigated the Web-browsing competencies of pre-service adult facilitators in the southeast geopolitical zone of Nigeria. Survey design was adopted for the study. The population consists of all pre-service adult facilitators in all the federal universities in the southeast geopolitical zone of Nigeria. Accidental sampling technique was…

  7. Effects of tree species richness and composition on moose winter browsing damage and foraging selectivity: an experimental study.

    Science.gov (United States)

    Milligan, Harriet T; Koricheva, Julia

    2013-07-01

    The optimal foraging theory, the nutrient balance hypothesis, and the plant association theories predict that foraging decisions and resulting tree damage by large mammalian browsers may be influenced by the species richness and species composition of forest stands. This may lead to either associational susceptibility (increased damage on a focal plant in a mixed stand) or associational resistance (reduced damage in a mixed stand). Better understanding of the mechanisms and the relative importance of tree species richness and composition effects on foraging by mammalian browsers is needed to support sustainable management of forests and mammal populations. However, existing knowledge of forest diversity effects on foraging by large mammalian browsers comes largely from observational studies while experimental evidence is limited. We analysed winter browsing by moose (Alces alces L.) in a long-term, large-scale experiment in Finland, which represents a tree species richness gradient from monocultures to 2-, 3- and 5-species mixtures composed of Scots pine (Pinus sylvestris L.), Norway spruce (Picea abies L.), Siberian larch (Larix sibirica Ledeb.), silver birch (Betula pendula Roth.) and black alder (Alnus glutinosa L.). The intensity of browsing per plot increased with tree species richness while browsing selectivity decreased with tree species being targeted more equally in species-rich mixtures. Tree species composition of a plot was also an important determinant of intensity of browsing. The greatest browsing occurred in plots containing preferred species (pine and birch) while intermediate preference species (larch and alder) experienced associational susceptibility when growing with pine and birch compared with their monocultures or mixtures without pine and birch. In contrast, we found no evidence of associational resistance; the presence of a least preferred species (spruce) in a mixture had no significant effect on moose browsing on other tree species. We

  8. maxdLoad2 and maxdBrowse: standards-compliant tools for microarray experimental annotation, data management and dissemination

    Directory of Open Access Journals (Sweden)

    Nashar Karim

    2005-11-01

    Full Text Available Abstract Background maxdLoad2 is a relational database schema and Java® application for microarray experimental annotation and storage. It is compliant with all standards for microarray meta-data capture; including the specification of what data should be recorded, extensive use of standard ontologies and support for data exchange formats. The output from maxdLoad2 is of a form acceptable for submission to the ArrayExpress microarray repository at the European Bioinformatics Institute. maxdBrowse is a PHP web-application that makes contents of maxdLoad2 databases accessible via web-browser, the command-line and web-service environments. It thus acts as both a dissemination and data-mining tool. Results maxdLoad2 presents an easy-to-use interface to an underlying relational database and provides a full complement of facilities for browsing, searching and editing. There is a tree-based visualization of data connectivity and the ability to explore the links between any pair of data elements, irrespective of how many intermediate links lie between them. Its principle novel features are: • the flexibility of the meta-data that can be captured, • the tools provided for importing data from spreadsheets and other tabular representations, • the tools provided for the automatic creation of structured documents, • the ability to browse and access the data via web and web-services interfaces. Within maxdLoad2 it is very straightforward to customise the meta-data that is being captured or change the definitions of the meta-data. These meta-data definitions are stored within the database itself allowing client software to connect properly to a modified database without having to be specially configured. The meta-data definitions (configuration file can also be centralized allowing changes made in response to revisions of standards or terminologies to be propagated to clients without user intervention. maxdBrowse is hosted on a web-server and presents

  9. Effectiveness of fencing and hunting to control Lama guanicoe browsing damage: Implications for Nothofagus pumilio regeneration in harvested forests.

    Science.gov (United States)

    Martínez Pastur, Guillermo; Soler, Rosina; Ivancich, Horacio; Lencinas, María V; Bahamonde, Héctor; Peri, Pablo L

    2016-03-01

    Browsing damage by native ungulates is often to be considered one of the reasons of regeneration failure in Nothofagus pumilio silvicultural systems. Fencing and hunting in forests at regeneration phase have been proposed to mitigate browsing effects. This study aims to determine effectiveness of these control methods in harvested forests, evaluating browsing damage over regeneration, as well as climate-related constraints (freezing or desiccation). Forest structure and regeneration plots were established in two exclosures against native ungulates (Lama guanicoe) by wire fences in the Chilean portion of Tierra del Fuego island, where tree regeneration density, growth, abiotic damage and quality (multi-stems and base/stem deformation) were assessed. Exclosures did not influence regeneration density (at the initial stage with 1.3 m high). However, sapling height at 10-years old was significantly lower outside (40-50 cm high) than inside exclosures (80-100 cm), and also increased their annual height growth, probably as a hunting effect. Likewise, quality was better inside exclosures. Alongside browsing, abiotic conditions negatively influenced sapling quality in the regeneration phase (20%-28% of all seedlings), but greatly to taller plants (as those from inside exclosure). This highlights the importance of considering climatic factors when analysing browsing effects. For best results, control of guanaco in recently harvested areas by fencing should be applied in combination with a reduction of guanaco density through continuous hunting. The benefits of mitigation actions (fencing and hunting) on regeneration growth may shorten the regeneration phase period in shelterwood cutting forests (30-50% less time), but incremental costs must be analysed in the framework of management planning by means of long-term studies.

  10. The use of interactive graphical maps for browsing medical/health Internet information resources

    Directory of Open Access Journals (Sweden)

    Boulos Maged

    2003-01-01

    Full Text Available Abstract As online information portals accumulate metadata descriptions of Web resources, it becomes necessary to develop effective ways for visualising and navigating the resultant huge metadata repositories as well as the different semantic relationships and attributes of described Web resources. Graphical maps provide a good method to visualise, understand and navigate a world that is too large and complex to be seen directly like the Web. Several examples of maps designed as a navigational aid for Web resources are presented in this review with an emphasis on maps of medical and health-related resources. The latter include HealthCyberMap maps http://healthcybermap.semanticweb.org/, which can be classified as conceptual information space maps, and the very abstract and geometric Visual Net maps of PubMed http://map.net (for demos. Information resources can be also organised and navigated based on their geographic attributes. Some of the maps presented in this review use a Kohonen Self-Organising Map algorithm, and only HealthCyberMap uses a Geographic Information System to classify Web resource data and render the maps. Maps based on familiar metaphors taken from users' everyday life are much easier to understand. Associative and pictorial map icons that enable instant recognition and comprehension are preferred to geometric ones and are key to successful maps for browsing medical/health Internet information resources.

  11. Your browsing behavior for a Big Mac: Economics of Personal Information Online

    CERN Document Server

    Carrascal, Juan Pablo; Erramilli, Vijay; Cherubini, Mauro; de Oliveira, Rodrigo

    2011-01-01

    Most online services (Google, Facebook etc.) operate by providing a service to users for free, and in return they collect and monetize personal information (PI) of the users. This operational model is inherently economic, as the "good" being traded and monetized is PI. This model is coming under increased scrutiny as online services are moving to capture more PI of users, raising serious privacy concerns. However, little is known on how users valuate different types of PI while being online, as well as the perceptions of users with regards to exploitation of their PI by online service providers. In this paper, we study how users valuate different types of PI while being online, while capturing the context by relying on Experience Sampling. We were able to extract the monetary value that 168 participants put on different pieces of PI. We find that users value their PI related to their offline identities more (3 times) than their browsing behavior. Users also value information pertaining to financial transactio...

  12. Brown world forests: increased ungulate browsing keeps temperate trees in recruitment bottlenecks in resource hotspots.

    Science.gov (United States)

    Churski, Marcin; Bubnicki, Jakub W; Jędrzejewska, Bogumiła; Kuijper, Dries P J; Cromsigt, Joris P G M

    2017-04-01

    Plant biomass consumers (mammalian herbivory and fire) are increasingly seen as major drivers of ecosystem structure and function but the prevailing paradigm in temperate forest ecology is still that their dynamics are mainly bottom-up resource-controlled. Using conceptual advances from savanna ecology, particularly the demographic bottleneck model, we present a novel view on temperate forest dynamics that integrates consumer and resource control. We used a fully factorial experiment, with varying levels of ungulate herbivory and resource (light) availability, to investigate how these factors shape recruitment of five temperate tree species. We ran simulations to project how inter- and intraspecific differences in height increment under the different experimental scenarios influence long-term recruitment of tree species. Strong herbivore-driven demographic bottlenecks occurred in our temperate forest system, and bottlenecks were as strong under resource-rich as under resource-poor conditions. Increased browsing by herbivores in resource-rich patches strongly counteracted the increased escape strength of saplings in these patches. This finding is a crucial extension of the demographic bottleneck model which assumes that increased resource availability allows plants to more easily escape consumer-driven bottlenecks. Our study demonstrates that a more dynamic understanding of consumer-resource interactions is necessary, where consumers and plants both respond to resource availability.

  13. Visual System for Browsing, Analysis, and Retrieval of Data (ViSBARD)

    Science.gov (United States)

    Roberts, Aaron; Boller, Ryan; Cornwell, Carl

    2012-01-01

    ViSBARD software provides a way of visualizing multiple vector and scalar quantities as measured by many spacecraft at once. The data are displayed three-dimensionally along the orbits that may be shown either as connected lines or as points. The data display allows the rapid determination of vector configurations, correlations among many measurements at multiple points, and global relationships. Things such as vector field rotations and dozens of simultaneous variables are very difficult to see in (complementary) panel plot representations. The current and next generations of space physics missions require a means to display from tens to hundreds of time series of data in such a way that the mind can comprehend them for the purposes of browsing data, retrieving them in directly useful form, and analyzing them in a global context. Sets of many spacecraft, each carrying many instruments yielding nearly continuous data at high time resolution, have become one of the most effective ways to make progress in understanding the extended, ionized (plasma) atmosphere of the Earth and the Sun. For large collections of data to be effective, they must be extremely readily accessible, with simple, comprehensible overviews of what is available. ViSBARD provides a means to answer these concerns. The ViSBARD package also acts as a remote repository browser; an interface to a Virtual Observatory. Therefore, data can be pulled directly into the application, as opposed to searching for it and downloading separately.

  14. Tackling action-based video abstraction of animated movies for video browsing

    Science.gov (United States)

    Ionescu, Bogdan; Ott, Laurent; Lambert, Patrick; Coquin, Didier; Pacureanu, Alexandra; Buzuloiu, Vasile

    2010-07-01

    We address the issue of producing automatic video abstracts in the context of the video indexing of animated movies. For a quick browse of a movie's visual content, we propose a storyboard-like summary, which follows the movie's events by retaining one key frame for each specific scene. To capture the shot's visual activity, we use histograms of cumulative interframe distances, and the key frames are selected according to the distribution of the histogram's modes. For a preview of the movie's exciting action parts, we propose a trailer-like video highlight, whose aim is to show only the most interesting parts of the movie. Our method is based on a relatively standard approach, i.e., highlighting action through the analysis of the movie's rhythm and visual activity information. To suit every type of movie content, including predominantly static movies or movies without exciting parts, the concept of action depends on the movie's average rhythm. The efficiency of our approach is confirmed through several end-user studies.

  15. An Attention-Information-Based Spatial Adaptation Framework for Browsing Videos via Mobile Devices

    Directory of Open Access Journals (Sweden)

    Li Houqiang

    2007-01-01

    Full Text Available With the growing popularity of personal digital assistant devices and smart phones, more and more consumers are becoming quite enthusiastic to appreciate videos via mobile devices. However, limited display size of the mobile devices has been imposing significant barriers for users to enjoy browsing high-resolution videos. In this paper, we present an attention-information-based spatial adaptation framework to address this problem. The whole framework includes two major parts: video content generation and video adaptation system. During video compression, the attention information in video sequences will be detected using an attention model and embedded into bitstreams with proposed supplement-enhanced information (SEI structure. Furthermore, we also develop an innovative scheme to adaptively adjust quantization parameters in order to simultaneously improve the quality of overall encoding and the quality of transcoding the attention areas. When the high-resolution bitstream is transmitted to mobile users, a fast transcoding algorithm we developed earlier will be applied to generate a new bitstream for attention areas in frames. The new low-resolution bitstream containing mostly attention information, instead of the high-resolution one, will be sent to users for display on the mobile devices. Experimental results show that the proposed spatial adaptation scheme is able to improve both subjective and objective video qualities.

  16. GAPforAPE: an augmented browsing system to improve Web 2.0 accessibility

    Science.gov (United States)

    Mirri, Silvia; Salomoni, Paola; Prandi, Catia; Muratori, Ludovico Antonio

    2012-09-01

    The Web 2.0 evolution has spread more interactive technologies which affected accessibility for users who navigate the Web by using assistive technologies. In particular, the partial download of new data, the continuous refreshing, and the massive use of scripting can represent significant barriers especially for people with visual impairments, who enjoy the Web by means of screen readers. On the other hand, such technologies can be an opportunity, because they can provide a new means of transcoding Web content, making the Web more accessible. In this article we present GAPforAPE, an augmented browsing system (based on Web browsers extensions) which offers a user's profiling system and transcodes Web content according to constrains declared by users: the same Web page is provided to any user, but GAPforAPE computes adequate customizations, by exploiting scripting technologies which usually affect Web pages accessibility. GAPforAPE imitates screen readers behavior: it applies a specific set of transcoding scripts devoted to a given Web site, when available, and a default set of transcoding operations otherwise. The continuous and quick evolution of the Web has shown that a crowdsourcing system is a desirable solution, letting the transcoding scripts evolve in the same way.

  17. Observations on the seasonal browsing and grazing behaviour of camels (Camelus dromedarius in southern Darfur-Sudan

    Directory of Open Access Journals (Sweden)

    Alia S. A. Amin,

    2011-04-01

    Full Text Available The observations about camels behaviour during browsing and grazing were recorded during dry and green season in southern Darfur (Latitude 8º 30' and 13º 30' North, by using apparently healthy free ranging camels during the months of March – May (dry season and August – September (green season. Total number of 210 indigenous Arabian camels of different age was used in this study. Camels were observed to be selective browser rather than grazer during dry and green seasons; also they were able to consume whatever plants available to fulfil their needs during the dry season. Camels did not stay long on a single species of plants, but were observed to take several mouthfuls and to move to another or to the same species browsing young green stems or branches with or without thorns and together with leaves, young growing shoots, flowers and fruits during green season, however, it has been observed that camels concentrate on certain evergreen trees and bushes together with the dry grasses if found during the dry season in the dry wadi beds. Camels are selective feeders not only with regard to plants but also in respect of part of the plants they eat , on the natural range they browse and graze at any time of the day but they tend to avoid feeding during the hottest period of the day and adopt positions. Camels prefer to feed on bushes and trees due to their anatomical adaptations. These findings indicate that camels are able to adapt themselves to the seasonal pasture fluctuations without affecting the trees they browsed because of their selectivity to choose some parts not the entire plant.

  18. Browsing preference and ecological carrying capacity of sambar deer (Cervus unicolor brookei) on secondary vegetation in forest plantation.

    Science.gov (United States)

    Ismail, Dahlan; Jiwan, Dawend

    2015-02-01

    The browsing preference and ecological carrying capacity (ECC) of sambar deer (Cervus unicolor brookei) in acacia plantations for management and conservation of the ecosystem were investigated at Sabal Forest Reserve in Sarawak, Malaysia. The identification of the species browsed by the sambar deer was based on an observation of the plant parts consumed. ECC estimation was based on body weight (BW) and the physiological stages of animals browsed in six fenced 4-ha paddocks. Sambar deer were found foraging on only 29 out of 42 species of secondary vegetation in the acacia plantation. The remaining species are too high for the deer to reach. Planted species, Shorea macrophylla are not palatable to the deer. This augurs well for the integration of sambar deer into shorea plantations. The most frequently exploited plants were Ficus spp. Sambar deer preferred woody species more than non-woody species and they are browser animals. By producing metabolizable energy of 19,000 to 27,000 MJ/ha, the ECC was five head/ha to 5.25 head/ha. Given its contribution to the conservation of wildlife and its capacity to sustain the ecosystem, the sambar deer integrated farming system offers a promising strategy for the future of tropical forestry management.

  19. How happy is your web browsing? A model to quantify satisfaction of an Internet user searching for desired information

    Science.gov (United States)

    Banerji, Anirban; Magarkar, Aniket

    2012-09-01

    We feel happy when web browsing operations provide us with necessary information; otherwise, we feel bitter. How to measure this happiness (or bitterness)? How does the profile of happiness grow and decay during the course of web browsing? We propose a probabilistic framework that models the evolution of user satisfaction, on top of his/her continuous frustration at not finding the required information. It is found that the cumulative satisfaction profile of a web-searching individual can be modeled effectively as the sum of a random number of random terms, where each term is a mutually independent random variable, originating from ‘memoryless’ Poisson flow. Evolution of satisfaction over the entire time interval of a user’s browsing was modeled using auto-correlation analysis. A utilitarian marker, a magnitude of greater than unity of which describes happy web-searching operations, and an empirical limit that connects user’s satisfaction with his frustration level-are proposed too. The presence of pertinent information in the very first page of a website and magnitude of the decay parameter of user satisfaction (frustration, irritation etc.) are found to be two key aspects that dominate the web user’s psychology. The proposed model employed different combinations of decay parameter, searching time and number of helpful websites. The obtained results are found to match the results from three real-life case studies.

  20. 2004 progress report : Effects of ungulate browsing on post-fire recovery of riparian cottonwoods : Implications for management of riparian forests, Seedskadee National Wildlife Refuge, Wyoming

    Data.gov (United States)

    US Fish and Wildlife Service, Department of the Interior — Browsing pressure by ungulates may limit natural establishment of native cottonwood and willow stands, and fires, which have become more frequent on riparian lands...

  1. Determination of Browse Intake and Nutrient Digestibility of Grazing West African Dwarf (WAD) Goats Fed Varying Levels of Gmelina arborea Leaves as Supplements in Delta State Nigeria

    OpenAIRE

    O. Okpara; P.O. Akporhuarho; G.O. Okagbare

    2014-01-01

    The Research was carried out to assess the browse intake and nutrient digestibility of grazing West African Dwarf (WAD) goats fed varying levels of Gmelina arborea leaves as supplement. Which produces appreciable amount of forage even at the peak of the dry season in the tropics, thereby ensuring all year round supply of follage and fodder. Thirty growing West Africa Dwarf (WAD) goats were used to dertermine the level of browse intake and nutrient diggestibility by goats fed verying levels Gm...

  2. Storing, Browsing, Querying, and Sharing Data: the THREDDS Data Repository (TDR)

    Science.gov (United States)

    Wilson, A.; Lindholm, D.; Baltzer, T.

    2005-12-01

    The Unidata Internet Data Distribution (IDD) network delivers gigabytes of data per day in near real time to sites across the U.S. and beyond. The THREDDS Data Server (TDS) supports public browsing of metadata and data access via OPeNDAP enabled URLs for datasets such as these. With such large quantities of data, sites generally employ a simple data management policy, keeping the data for a relatively short term on the order of hours to perhaps a week or two. In order to save interesting data in longer term storage and make it available for sharing, a user must move the data herself. In this case the user is responsible for determining where space is available, executing the data movement, generating any desired metadata, and setting access control to enable sharing. This task sequence is generally based on execution of a sequence of low level operating system specific commands with significant user involvement. The LEAD (Linked Environments for Atmospheric Discovery) project is building a cyberinfrastructure to support research and education in mesoscale meteorology. LEAD orchestrations require large, robust, and reliable storage with speedy access to stage data and store both intermediate and final results. These requirements suggest storage solutions that involve distributed storage, replication, and interfacing to archival storage systems such as mass storage systems and tape or removable disks. LEAD requirements also include metadata generation and access in order to support querying. In support of both THREDDS and LEAD requirements, Unidata is designing and prototyping the THREDDS Data Repository (TDR), a framework for a modular data repository to support distributed data storage and retrieval using a variety of back end storage media and interchangeable software components. The TDR interface will provide high level abstractions for long term storage, controlled, fast and reliable access, and data movement capabilities via a variety of technologies such as

  3. Individual variation of isotopic niches in grazing and browsing desert ungulates.

    Science.gov (United States)

    Lehmann, D; Mfune, J K E; Gewers, E; Brain, C; Voigt, C C

    2015-09-01

    Ungulates often adjust their diet when food availability varies over time. However, it is poorly understood when and to what extent individuals change their diet and, if they do so, if all individuals of a population occupy distinct or similar dietary niches. In the arid Namibian Kunene Region, we studied temporal variations of individual niches in grazing gemsbok (Oryx gazella gazella) and predominantly browsing springbok (Antidorcas marsupialis). We used variation in stable C and N isotope ratios of tail hair increments as proxies to estimate individual isotopic dietary niches and their temporal plasticity. Isotopic dietary niches of populations of the two species were mutually exclusive, but similar in breadth. Isotopic niche breadth of gemsbok was better explained by within-individual variation than by between-individual variation of stable isotope ratios, indicating that gemsbok individuals were facultative specialists in using isotopically distinct local food resources. In contrast, inter- and intra-individual variations contributed similarly to the isotopic niche breadth of the springbok population, suggesting a higher degree of individual isotopic segregation in a more generalist ungulate. In both species, between-individual variation was neither explained by changes in plant primary productivity, sex, geographical position nor by group size. Within species, individual dietary niches overlapped partially, suggesting that both populations included individuals with distinct isotopic dietary niches. Our study provides the first evidence for isotopic dietary niche segregation in individuals of two distinct desert ungulates. Similar, yet isotopically distinct dietary niches of individuals may facilitate partitioning of food resources and thus individual survival in desert ecosystems.

  4. Winter browse selection by white-tailed deer and implications for bottomland forest restoration in the Upper Mississippi River Valley, USA

    Science.gov (United States)

    Cogger, Benjamin J.; De Jager, Nathan R.; Thomsen, Meredith; Adams, Carrie Reinhardt

    2014-01-01

    White-tailed deer (Odocoileus virginianus) forage selectively, modifying upland forest species composition and in some cases shifting ecosystems to alternative stable states. Few studies, however, have investigated plant selection by deer in bottomland forests. Herbaceous invasive species are common in wetlands and their expansion could be promoted if deer avoid them and preferentially feed on native woody species. We surveyed plant species composition and winter deer browsing in 14 floodplain forest restoration sites along the Upper Mississippi River and tributaries. Tree seedling density declined rapidly with increasing cover of invasive Phalaris arundinacea, averaging less than 1 per m2 in all sites in which the grass was present. Deer browsed ∼46% of available tree seedling stems (branches) at mainland restorations, compared to ∼3% at island sites. Across all tree species, the number of browsed stems increased linearly with the number available and responded unimodally to tree height. Maximum browsing rates were observed on trees with high stem abundances (>10 per plant) and of heights between 50 and 150 cm. Deer preferred Ulmus americana and Acer saccharinum, and avoided Fraxinus pennsylvanica, Acer negundo, and Quercus spp. at mainland sites, and did not browse Phalaris arundinacea if present. Depending on plant growth responses to herbivory and the competitive effects of unbrowsed species, our results suggest that selective foraging could promote the expansion of invasive species and/or alter tree species composition in bottomland forest restorations. Islands may, however, serve as refuges from browsing on a regional scale.

  5. Outdoor Urban Propagation Experiment of a Handset MIMO Antenna with a Human Phantom located in a Browsing Stance

    DEFF Research Database (Denmark)

    Yamamoto, Atsushi; Hayashi, Toshiteru; Ogawa, Koichi;

    2007-01-01

    Outdoor radio propagation experiments are presented at 2.4 GHz, using a handset MIMO antenna with two monopoles and two planar inverted-F antennas (PIFAs), adjacent to a human phantom in browsing stance. The propagation test was performed in an urban area of a city, which resulted in non lineof......-sight (NLOS) situations. In our investigation, the 4-by-4 MIMO and SISO channel capacities for the reception signals were evaluated. These measurements show that the handset MIMO antenna, close to the human operator, is capable of MIMO reception....

  6. Mass scans from a proton transfer mass spectrometry analysis of air over Mediterranean shrubland browsed by horses.

    Science.gov (United States)

    Bartolome, Jordi; Penuelas, Josep; Filella, Iolanda; Llusia, Joan; Broncano, M Jose; Plaixats, Josefina

    2007-10-01

    Plants usually emit large amount and varieties of volatiles after being damaged by herbivores. However, analytical methods for measuring herbivore-induced volatiles do not normally monitor the whole range of volatiles and the response to large herbivores such as large mammals is much less studied than the response to other herbivores such as insects. In this paper we present the results of using a highly sensitive proton transfer reaction-mass spectrometry (PTR-MS) technique that allows simultaneous monitoring of leaf volatiles in the pptv range. The resulting mass scans in air over Mediterranean shrubland browsed by horses show 70 to 100% higher concentrations of the masses corresponding to mass fragments 57, 43 and 41 (mostly hexenals, acetone and acetic acid) than scans over control non-browsed shrubland. These compounds are biogeochemically active and they are significant components of the volatile organic carbon found in the atmosphere. They influence the performance of living organisms and, the chemical and physical processes of Earth's atmosphere.

  7. Effect of Tannin and Species Variation on In vitro Digestibility, Gas, and Methane Production of Tropical Browse Plants.

    Science.gov (United States)

    Gemeda, B S; Hassen, A

    2015-02-01

    Nineteen tanniferous browse plants were collected from South Africa to investigate their digestibility, gas production (GP) characteristics and methane production. Fresh samples were collected, dried in forced oven, and ground and analyzed for nutrient composition. In vitro GP and in vitro organic matter digestibility (IVOMD) were determined using rumen fluid collected, strained and anaerobically prepared. A semi- automated system was used to measure GP by incubating the sample in a shaking incubator at 39°C. There was significant (pmethane production. Methane production was positively correlated with NDF, ADF, cellulose and hemi-cellulose. Tannin decreased GP, IVOMD, total volatile fatty acid and methane production. The observed low methanogenic potential and substantial ammonia generation of some of the browses might be potentially useful as rumen manipulating agents. However, a systematic evaluation is needed to determine optimum levels of supplementation in a mixed diet in order to attain a maximal depressing effect on enteric CH4 production with a minimal detrimental effect on rumen fermentation of poor quality roughage based diet.

  8. Dry matter and digesta particle size gradients along the goat digestive tract on grass and browse diets.

    Science.gov (United States)

    Clauss, M; Fritz, J; Tschuor, A; Braun, U; Hummel, J; Codron, D

    2017-02-01

    Physical properties of the digesta vary along the ruminant digestive tract. They also vary within the forestomach, leading to varying degrees of rumen contents stratification in 'moose-type' (browsing) and 'cattle-type' (intermediate and grazing) ruminants. We investigated the dry matter concentration (DM) and the mean digesta particle size (MPS) within the forestomach and along the digestive tract in 10 goats fed grass hay or dried browse after a standardized 12-h fast, euthanasia and freezing in the natural position. In all animals, irrespective of diet, DM showed a peak in the omasum and an increase from caecum via colon towards the faeces and a decrease in MPS between the reticulum and the omasum. Both patterns are typical for ruminants in general. In the forestomach, there was little systematic difference between more cranial and more caudal locations ('horizontal stratification'), with the possible exception of large particle segregation in the dorsal rumen blindsac on the grass diet. In contrast, the typical (vertical) contents stratification was evident for DM (with drier contents dorsally) and, to a lower degree, for MPS (with larger particles dorsally). Although evident in both groups, this stratification was more pronounced on the grass diet. The results support the interpretation that differences in rumen contents stratification between ruminants are mainly an effect of species-specific physiology, but can be enhanced due to the diet consumed.

  9. Ecological role of reindeer summer browsing in the mountain birch (Betula pubescens ssp. czerepanovii) forests: effects on plant defense, litter decomposition, and soil nutrient cycling.

    Science.gov (United States)

    Stark, Sari; Julkunen-Tiitto, Riitta; Kumpula, Jouko

    2007-03-01

    Mammalian herbivores commonly alter the concentrations of secondary compounds in plants and, by this mechanism, have indirect effects on litter decomposition and soil carbon and nutrient cycling. In northernmost Fennoscandia, the subarctic mountain birch (Betula pubescens ssp. czerepanovii) forests are important pasture for the semidomestic reindeer (Rangifer tarandus). In the summer ranges, mountain birches are intensively browsed, whereas in the winter ranges, reindeer feed on ground lichens, and the mountain birches remain intact. We analyzed the effect of summer browsing on the concentrations of secondary substances, litter decomposition, and soil nutrient pools in areas that had been separated as summer or winter ranges for at least 20 years, and we predicted that summer browsing may reduce levels of secondary compounds in the mountain birch and, by this mechanism, have an indirect effect on the decomposition of mountain birch leaf litter and soil nutrient cycling. The effect of browsing on the concentration of secondary substances in the mountain birch leaves varied between different years and management districts, but in some cases, the concentration of condensed tannins was lower in the summer than in the winter ranges. In a reciprocal litter decomposition trial, both litter origin and emplacement significantly affected the litter decomposition rate. Decomposition rates were faster for the litter originating from and placed into the summer range. Soil inorganic nitrogen (N) concentrations were higher in the summer than in the winter ranges, which indicates that reindeer summer browsing may enhance the soil nutrient cycling. There was a tight inverse relationship between soil N and foliar tannin concentrations in the winter range but not in the summer range. This suggests that in these strongly nutrient-limited ecosystems, soil N availability regulates the patterns of resource allocation to condensed tannins in the absence but not in the presence of browsing.

  10. Partial replacement of an artificial nectar diet with native browse for feather-tail gliders (Acrobates pygmaeus) in captivity.

    Science.gov (United States)

    Herrmann, Ella A; Herrin, Kimberly Vinette; Gleen, Wendy; Davies, Paul; Stapley, Rodd; Stebbings, Vanessa; Wiszniewski, Joanna; Spindler, Rebecca; Faichney, Graham J; Chaves, Alexandre V

    2013-01-01

    Captive-bred feather-tail gliders (Acrobates pygmaeus) housed at Taronga Zoo have had a long history of eye cholesterol plaques that may be associated with a largely sugar-based diet such as artificial nectar. The gliders also have prolonged periods of reduced activity when they are not visible in exhibits. This may be due to the ad libitum supply of an energy rich feed and reduced need to forage. This study examined behavioral and physiological changes associated with supplementing the high sugar-based diet with two species of native browse. The experiment was conducted over two consecutive periods of 3 weeks and consisted of two treatment groups: one group was offered the artificial nectar only, while the other group was offered the artificial nectar supplemented with a variety of native flowers. Live weight was recorded weekly. There was no change (P > 0.10) in artificial nectar intake with the supplementation of native browse in the diet. Blood metabolites (cholesterol, triglycerides, glucose) tested for the two groups had no differences (P > 0.10) between treatments. Upon examination, there were no signs of tooth decay or cholesterol plaques in all animals throughout the experiment. Feed intake and behavior were recorded via sensor cameras. There was an increase (P native flowers compared to gliders fed the artificial nectar alone. In conclusion, supplementing to provide a more native diet to A. pygmaeus enhanced their natural foraging behavior, suggesting that it may result in long-term improvements in their health.

  11. Calibration and validation of the {sup 14}C-labelled polyethylene glycol-binding assay for tannins in tropical browse

    Energy Technology Data Exchange (ETDEWEB)

    Mlambo, V. [Animal Production Unit, FAO/IAEA Agriculture and Biotechnology Laboratory, Seibersdorf (Austria)]. E-mail: vmlambo@agric.uniswa.sz; Makkar, H.P.S. [Animal Production and Health Section, Joint FAO/IAEA Division of Nuclear Techniques in Agriculture and Food, International Atomic Energy Agency, Vienna (Austria)

    2005-08-19

    This study evaluates the radiolabelled polyethylene glycol (PEG)-binding procedure [Silanikove, N., Shinder, D., Gilboa, N., Eyal, M., Nitsan, Z., 1996. Polyethylene glycol-binding to plant samples as an assay for the biological effects of tannins: predicting the negative effects of tannins in Mediterranean browse on rumen degradation. J. Agric. Food Chem. 44, 3230-3234] for tannin analysis, using 27 tropical browse plants. In this method, the amount of PEG bound to a plant sample is assumed to be a reflection of its tannin content. The method was modified to exclude the use of non-tanniniferous substrate for estimating non-specific binding (NSB) in tannin-containing substrates. Non-specific binding values varied widely (0.4-2.8 mg PEG/100 mg DM tannin-free substrate) when the tannin-free substrate was changed from wheat straw to either rye grass or maize shoots. We therefore propose a modified radiolabelled PEG-binding method to estimate the level of PEG-binding (PEGb) to tannin-containing foliage without using tannin-free substrate to correct for non-specific binding. In this approach, incremental levels of each tanniniferous substrate were used to generate PEGb values. The resultant linear response was analysed and tannin activity was expressed as the slope of the response curve (PEGbSlope) observed for each substrate. The slope takes into account the non-specific binding in each substrate, thus PEGbSlope does not require correction for NSB using tannin-free samples. This approach improved the correlation between PEGb and the {sup 125}I-labelled bovine serum albumin precipitation assay. Relationships between the modified PEG-binding assay and radiolabelled bovine serum albumin assay, in vitro tannin bioassay and colorimetric assays are presented. (author)

  12. Determination of Browse Intake and Nutrient Digestibility of Grazing West African Dwarf (WAD Goats Fed Varying Levels of Gmelina arborea Leaves as Supplements in Delta State Nigeria

    Directory of Open Access Journals (Sweden)

    O. Okpara

    2014-04-01

    Full Text Available The Research was carried out to assess the browse intake and nutrient digestibility of grazing West African Dwarf (WAD goats fed varying levels of Gmelina arborea leaves as supplement. Which produces appreciable amount of forage even at the peak of the dry season in the tropics, thereby ensuring all year round supply of follage and fodder. Thirty growing West Africa Dwarf (WAD goats were used to dertermine the level of browse intake and nutrient diggestibility by goats fed verying levels Gmelina arborea leaves as supplement. The goats were randomly divided into five groups of six animal per group. Goats in Treatment A were fed commercial growers mash, at 0.50 kg, Treatment B were fed 0.25 kg of Gmelina arborea Treatment C were fed 0.50 kg of Gmelina arborea leaves, Treatment D 0.75 kg and Treatment E 1.00 kg of Gmelina arborea leaves. Data were collected for thirteen weeks on browse intake and nutrient digestibility. Chemical analysis showed significantly (pPennisetum purpurem and growers mash. The values observed for growers mash for Nitrogen free extract and ether extract were higher than those observed in Gmelina arborea leaves and elephant grass. Significant differences (p<0.05existed for values recorded by the goats fed the different experimental diets. Goats fed Diet E had the highest (p<0.05 browse intake than Goat fed Diet D and C. Goat fed Diet B recorded the least significant (p<0.05 quantity of browse intake. Dry matter digestibility values as well as the crude protein difestibility were appreciably high for all animal fed the experimental diets. The goats fed diet E had the highest crude fibre digestibility followed by goats fed diest A and that of D, B and C respectively. Therefore, the study suggested 0.5 kg inclusion of Gmelina arborea leaves in the diet of grazing WAD goats as the optimum level for better performance.

  13. LINCS Canvas Browser: interactive web app to query, browse and interrogate LINCS L1000 gene expression signatures.

    Science.gov (United States)

    Duan, Qiaonan; Flynn, Corey; Niepel, Mario; Hafner, Marc; Muhlich, Jeremy L; Fernandez, Nicolas F; Rouillard, Andrew D; Tan, Christopher M; Chen, Edward Y; Golub, Todd R; Sorger, Peter K; Subramanian, Aravind; Ma'ayan, Avi

    2014-07-01

    For the Library of Integrated Network-based Cellular Signatures (LINCS) project many gene expression signatures using the L1000 technology have been produced. The L1000 technology is a cost-effective method to profile gene expression in large scale. LINCS Canvas Browser (LCB) is an interactive HTML5 web-based software application that facilitates querying, browsing and interrogating many of the currently available LINCS L1000 data. LCB implements two compacted layered canvases, one to visualize clustered L1000 expression data, and the other to display enrichment analysis results using 30 different gene set libraries. Clicking on an experimental condition highlights gene-sets enriched for the differentially expressed genes from the selected experiment. A search interface allows users to input gene lists and query them against over 100 000 conditions to find the top matching experiments. The tool integrates many resources for an unprecedented potential for new discoveries in systems biology and systems pharmacology. The LCB application is available at http://www.maayanlab.net/LINCS/LCB. Customized versions will be made part of the http://lincscloud.org and http://lincs.hms.harvard.edu websites.

  14. Instagram Use, Loneliness, and Social Comparison Orientation: Interact and Browse on Social Media, But Don't Compare.

    Science.gov (United States)

    Yang, Chia-Chen

    2016-12-01

    Ever since the emergence of social networking sites (SNSs), it has remained a question without a conclusive answer whether SNSs make people more or less lonely. To achieve a better understanding, researchers need to move beyond studying overall SNS usage. In addition, it is necessary to attend to personal attributes as potential moderators. Given that SNSs provide rich opportunities for social comparison, one highly relevant personality trait would be social comparison orientation (SCO), and yet this personal attribute has been understudied in social media research. Drawing on literature of psychosocial implications of social media use and SCO, this study explored associations between loneliness and various Instagram activities and the role of SCO in this context. A total of 208 undergraduate students attending a U.S. mid-southern university completed a self-report survey (Mage = 19.43, SD = 1.35; 78 percent female; 57 percent White). Findings showed that Instagram interaction and Instagram browsing were both related to lower loneliness, whereas Instagram broadcasting was associated with higher loneliness. SCO moderated the relationship between Instagram use and loneliness such that Instagram interaction was related to lower loneliness only for low SCO users. The results revealed implications for healthy SNS use and the importance of including personality traits and specific SNS use patterns to disentangle the role of SNS use in psychological well-being.

  15. MetaRNA-Seq: An Interactive Tool to Browse and Annotate Metadata from RNA-Seq Studies

    Directory of Open Access Journals (Sweden)

    Pankaj Kumar

    2015-01-01

    Full Text Available The number of RNA-Seq studies has grown in recent years. The design of RNA-Seq studies varies from very simple (e.g., two-condition case-control to very complicated (e.g., time series involving multiple samples at each time point with separate drug treatments. Most of these publically available RNA-Seq studies are deposited in NCBI databases, but their metadata are scattered throughout four different databases: Sequence Read Archive (SRA, Biosample, Bioprojects, and Gene Expression Omnibus (GEO. Although the NCBI web interface is able to provide all of the metadata information, it often requires significant effort to retrieve study- or project-level information by traversing through multiple hyperlinks and going to another page. Moreover, project- and study-level metadata lack manual or automatic curation by categories, such as disease type, time series, case-control, or replicate type, which are vital to comprehending any RNA-Seq study. Here we describe “MetaRNA-Seq,” a new tool for interactively browsing, searching, and annotating RNA-Seq metadata with the capability of semiautomatic curation at the study level.

  16. The consequences to browse in spanish vs. english when developing loyalty towards a tourist destination on internet

    Directory of Open Access Journals (Sweden)

    Juan Miguel Alcántara-Pilar

    2015-11-01

    Full Text Available This work analyzes whether the cultural values of a language influence when processing information from a website and its effect on the perceived risk online, on the development of positive attitudes toward a Web site and loyalties on the service offered therein. We propose an information-processing model based on TAM in which perceived risk online is an antecedent and consumer loyalty towards the service is the ultimate outcome In order to achieve this objective and test the proposed hypotheses, a between-subjects experimental design was chosen, using one independent variable namely with two level: processing language (Spanish vs. English. The final sample comprised 264 Spanish users. Half the sample browsed in Spanish, and the other half in English. The results demonstrated that the cultural dimension ‘uncertainty avoidance’ moderates the effect of perceived risk on perceived ease of use and usefulness. Perceived ease of use or perceived usefulness influenced to attitude towards the website, depending on whether the language used to process the information on the site conveys cultural values with a shorter or longer-term orientation. Languages, as a cultural framework, didn´t moderate the relationship between attitude towards the website and loyalty towards the tourist destination.

  17. The effect of drying and urea treatment on nutritional and anti-nutritional components of browses collected during wet and dry seasons

    Energy Technology Data Exchange (ETDEWEB)

    Vitti, D.M.S.S. [Centre for Nuclear Energy in Agriculture, University of Sao Paulo, Piracicaba, SP (Brazil)]. E-mail: dovitti@cena.usp.br; Nozella, E.F.; Abdalla, A.L.; Bueno, I.C.S.; Longo, C.; Cabral Filho, S.L.S.; Godoy, P.B. [Centre for Nuclear Energy in Agriculture, University of Sao Paulo, Piracicaba, SP (Brazil); Silva Filho, J.C. [Universidade Federal de Lavras, Lavras, MG (Brazil); Costa, C. [Faculdade de Medicina Veterinaria e Zootecnia, UNESP, Botucatu, SP (Brazil); Bueno, M.S. [Instituto de Zootecnia, Nova Odessa, SP (Brazil); Vieira, M.E.Q. [Universidade Federal Rural de Pernambuco, Recife, PE (Brazil); Mueller-Harvey, I. [Agriculture Department, University of Reading, Reading (United Kingdom)

    2005-08-19

    Fibre, crude protein and tannin concentrations were measured in browse species from the semi-arid region of Northeast Brazil during the dry and wet seasons. The effects of oven-, sun- and shade-drying and of urea treatment were also determined. Crude protein (CP) content varied from 103 to 161 g/kg dry matter (DM) and the browses had similar CP content in the two seasons (during 2002) (102-161 and 107-153 g/kg DM in the wet and dry seasons, respectively). Total tannin concentrations ranged from 13 to 201 g/kg DM amongst the browses and were higher in the dry season. A 30-d treatment with urea reduced extractable tannins significantly (P < 0.05). The urea treatment was also most effective at reducing the in vitro effects of tannins compared to the other drying treatments. This was demonstrated by measuring the effect of polyethylene glycol (PEG) on gas production. Addition of PEG increased gas production of oven- (81.4%), sun- (78.5%) and shade-dried (76.7%) samples much more compared to urea treated samples (10.9%). (author)

  18. Educational outreach and impacts of white-tailed deer browse on native and invasive plants at the Crooked Creek Environmental Learning Center, Armstrong County, Pennsylvania

    Science.gov (United States)

    Lindsay, Lisa O.

    Overabundance of deer can assist the intrusion of invasive plants through browse, leading to homogenization of plant communities. Public attitudes towards native and invasive plant species and white-tailed deer browse related to personal experiences, can be changed through education focusing public awareness of ramifications of deer browse on native and invasive plants. I developed an interactive, interpretive Self-Guided Walking Tour brochure of the "You Can Trail" to provide an educational outreach program for visitors of Crooked Creek Environmental Learning Center that includes ecologically important native and invasive plants species from my investigation. This research study focuses on the overall abundance of native and invasive plant species once Odocoileus virginianus have been removed from the landscape during collection periods in June and September 2013 from exclosure and access plots that were maintained for seven years. Similarity of abundance were found in native and invasive abundance of forbs, bushes and percentage of ground cover. Differences included native bush volume being greater than invasive bush volume in the access plot in June with opposing results in the exclosure plot, being greater in invasive bush volume. However, in September, native and invasive bush volume was similar within the exclosure plot, while invasive bush volume decreased in the access plot. Invasive vines recorded in the June access plot were absent in the September collection period.

  19. Browsing to the Max

    Institute of Scientific and Technical Information of China (English)

    2009-01-01

    A Beijing-based Web browser is gaining global market share on October 28, just one day before the Internet’s 40th birth- day, Beijing-based technology firm Maxthon International Ltd. announced the establishment of China’s largest browser research and development center.

  20. Attention Sensitive Web Browsing

    OpenAIRE

    2016-01-01

    With a number of cheap commercial dry EEG kits available today, it is possible to look at user attention driven scenarios for interaction with the web browser. Using EEG to determine the user's attention level is preferable to using methods such as gaze tracking or time spent on the webpage. In this paper we use the attention level in three different ways. First, as a control mechanism, to control user interface elements such as menus or buttons. Second, to make the web browser responsive to ...

  1. NeuroTerrain – a client-server system for browsing 3D biomedical image data sets

    Directory of Open Access Journals (Sweden)

    Nissanov Jonathan

    2007-02-01

    Full Text Available Abstract Background Three dimensional biomedical image sets are becoming ubiquitous, along with the canonical atlases providing the necessary spatial context for analysis. To make full use of these 3D image sets, one must be able to present views for 2D display, either surface renderings or 2D cross-sections through the data. Typical display software is limited to presentations along one of the three orthogonal anatomical axes (coronal, horizontal, or sagittal. However, data sets precisely oriented along the major axes are rare. To make fullest use of these datasets, one must reasonably match the atlas' orientation; this involves resampling the atlas in planes matched to the data set. Traditionally, this requires the atlas and browser reside on the user's desktop; unfortunately, in addition to being monolithic programs, these tools often require substantial local resources. In this article, we describe a network-capable, client-server framework to slice and visualize 3D atlases at off-axis angles, along with an open client architecture and development kit to support integration into complex data analysis environments. Results Here we describe the basic architecture of a client-server 3D visualization system, consisting of a thin Java client built on a development kit, and a computationally robust, high-performance server written in ANSI C++. The Java client components (NetOStat support arbitrary-angle viewing and run on readily available desktop computers running Mac OS X, Windows XP, or Linux as a downloadable Java Application. Using the NeuroTerrain Software Development Kit (NT-SDK, sophisticated atlas browsing can be added to any Java-compatible application requiring as little as 50 lines of Java glue code, thus making it eminently re-useable and much more accessible to programmers building more complex, biomedical data analysis tools. The NT-SDK separates the interactive GUI components from the server control and monitoring, so as to support

  2. Sketch Annotation Based Video Browsing%一种基于草图注释的视频浏览技术

    Institute of Scientific and Technical Information of China (English)

    詹启; 马翠霞; 倪美娟; 张艳秋; 王宏安; 戴国忠

    2013-01-01

    To browse and locate video efficiently,a sketch-based video annotation and browsing technique is proposed in this paper.First,key frames are extracted according to the features in the video,and static and dynamic sketch annotations are interactively specified for the video.Then a personalized sketch-library is created based on the key frames and interactive sketch annotations.Finally,a sketch based interface via gesture commands is proposed to perform interactive video operations.Experimental results show that the proposed sketch annotation and interaction can improve the efficiency of video browsing,understanding and interaction,and brings better user experiences.%针对视频的高效浏览和定位问题,提出一种基于草图注释的视频浏览技术.首先根据视频流中各帧的特征点提取关键帧;然后利用草图为视频的主要内容添加静态和动态注释,并结合提取的关键帧生成表征视频内容的个性化视频信息库;最后定义草图手势库来进行相关的视频交互操作.实验结果表明,该技术可有效地组织视频语义信息,提高视频的浏览、理解与交互的效率,并具有较高的用户满意度.

  3. Data shopping in an open marketplace: Introducing the Ontogrator web application for marking up data using ontologies and browsing using facets.

    Science.gov (United States)

    Morrison, Norman; Hancock, David; Hirschman, Lynette; Dawyndt, Peter; Verslyppe, Bert; Kyrpides, Nikos; Kottmann, Renzo; Yilmaz, Pelin; Glöckner, Frank Oliver; Grethe, Jeff; Booth, Tim; Sterk, Peter; Nenadic, Goran; Field, Dawn

    2011-04-29

    In the future, we hope to see an open and thriving data market in which users can find and select data from a wide range of data providers. In such an open access market, data are products that must be packaged accordingly. Increasingly, eCommerce sellers present heterogeneous product lines to buyers using faceted browsing. Using this approach we have developed the Ontogrator platform, which allows for rapid retrieval of data in a way that would be familiar to any online shopper. Using Knowledge Organization Systems (KOS), especially ontologies, Ontogrator uses text mining to mark up data and faceted browsing to help users navigate, query and retrieve data. Ontogrator offers the potential to impact scientific research in two major ways: 1) by significantly improving the retrieval of relevant information; and 2) by significantly reducing the time required to compose standard database queries and assemble information for further research. Here we present a pilot implementation developed in collaboration with the Genomic Standards Consortium (GSC) that includes content from the StrainInfo, GOLD, CAMERA, Silva and Pubmed databases. This implementation demonstrates the power of ontogration and highlights that the usefulness of this approach is fully dependent on both the quality of data and the KOS (ontologies) used. Ideally, the use and further expansion of this collaborative system will help to surface issues associated with the underlying quality of annotation and could lead to a systematic means for accessing integrated data resources.

  4. Simulated moose (Alces alces L.) browsing increases accumulation of secondary metabolites in bilberry (Vaccinium myrtillus L.) along gradients of habitat productivity and solar radiation.

    Science.gov (United States)

    Persson, Inga-Lill; Julkunen-Tiitto, Riitta; Bergström, Roger; Wallgren, Märtha; Suominen, Otso; Danell, Kjell

    2012-10-01

    We have addressed the impact of moose (Alces alces L.) on accumulation of secondary metabolites, lignin, and nitrogen in bilberry (Vaccinium myrtillus L.) along gradients of habitat productivity and solar radiation. The study was conducted within a long-term research project on direct and indirect impacts of moose on the ecosystem. In the experiment, browsing, defecation, and urination corresponding to four different moose densities were simulated for eight years before bilberry tissue was collected and analyzed. Some quantitatively dominant flavonoids were affected by the simulated moose browsing and by habitat productivity and light. The content of flavonoids increased with increasing moose density and light, and decreased with increasing habitat productivity. The higher concentration of secondary metabolites in bilberry from nutrient-poor sites may have resulted from the increased photosynthesis relative to growth, which facilitated secondary metabolism. The higher concentration of secondary metabolites in plants subjected to simulated moose- herbivory might have been caused in part by loss of biomass. In addition, in areas with high biomass loss, i.e., high moose density, a more open canopy was created and more solar radiation could have induced secondary metabolism.

  5. A personalized E-learning system based on user's browsing behavior%基于用户浏览行为的个性化教学系统

    Institute of Scientific and Technical Information of China (English)

    单蓉

    2011-01-01

    E-learning has become the direction of the main trend in the development of today ’ s education technology. A new two degree tree-model is designed, and a Browsing Behavior Personalized Information Recommendation System( BBIRS) is designed on this basis. In the system, the web logs and interactive data been mined by offline and online separately, and the user’s intersting degree on the page been caculated by its browsing speed. The system uses two recommendation algorithms according the different intersting degree.%网络教育已成为现代教育技术主流的发展方向.提出了二层树状结构模型,并在此基础上,设计了一个基于基于浏览行为的个性化推荐系统(BBIRS).系统可以通过离线和在线方式对用户的访问日志和交互数据分别进行挖掘,并通过根据用户的浏览速度计算用户对页面的兴趣度,根据该兴趣度是否大于阈值,系统采用不同的推荐策略.

  6. Semantic MEDLINE for discovery browsing: using semantic predications and the literature-based discovery paradigm to elucidate a mechanism for the obesity paradox.

    Science.gov (United States)

    Cairelli, Michael J; Miller, Christopher M; Fiszman, Marcelo; Workman, T Elizabeth; Rindflesch, Thomas C

    2013-01-01

    Applying the principles of literature-based discovery (LBD), we elucidate the paradox that obesity is beneficial in critical care despite contributing to disease generally. Our approach enhances a previous extension to LBD, called "discovery browsing," and is implemented using Semantic MEDLINE, which summarizes the results of a PubMed search into an interactive graph of semantic predications. The methodology allows a user to construct argumentation underpinning an answer to a biomedical question by engaging the user in an iterative process between system output and user knowledge. Components of the Semantic MEDLINE output graph identified as "interesting" by the user both contribute to subsequent searches and are constructed into a logical chain of relationships constituting an explanatory network in answer to the initial question. Based on this methodology we suggest that phthalates leached from plastic in critical care interventions activate PPAR gamma, which is anti-inflammatory and abundant in obese patients.

  7. A user-friendly, dynamic web environment for remote data browsing and analysis of multiparametric geophysical data within the MULTIMO project

    Science.gov (United States)

    Carniel, Roberto; Di Cecca, Mauro; Jaquet, Olivier

    2006-05-01

    In the framework of the EU-funded project "Multi-disciplinary monitoring, modelling and forecasting of volcanic hazard" (MULTIMO), multiparametric data have been recorded at the MULTIMO station in Montserrat. Moreover, several other long time series, recorded at Montserrat and at other volcanoes, have been acquired in order to test stochastic and deterministic methodologies under development. Creating a general framework to handle data efficiently is a considerable task even for homogeneous data. In the case of heterogeneous data, this becomes a major issue. A need for a consistent way of browsing such a heterogeneous dataset in a user-friendly way therefore arose. Additionally, a framework for applying the calculation of the developed dynamical parameters on the data series was also needed in order to easily keep these parameters under control, e.g. for monitoring, research or forecasting purposes. The solution which we present is completely based on Open Source software, including Linux operating system, MySql database management system, Apache web server, Zope application server, Scilab math engine, Plone content management framework, Unified Modelling Language. From the user point of view the main advantage is the possibility of browsing through datasets recorded on different volcanoes, with different instruments, with different sampling frequencies, stored in different formats, all via a consistent, user- friendly interface that transparently runs queries to the database, gets the data from the main storage units, generates the graphs and produces dynamically generated web pages to interact with the user. The involvement of third parties for continuing the development in the Open Source philosophy and/or extending the application fields is now sought.

  8. Habitat use by mountain nyala Tragelaphus buxtoni determined using stem bite diameters at point of browse, bite rates, and time budgets in the Bale Mountains National Park, Ethiopia

    Directory of Open Access Journals (Sweden)

    Solomon A. TADESSE, Burt P. KOTLER

    2013-12-01

    Full Text Available We studied the habitat use of mountain nyala Tragelaphus buxtoni in the northern edge of the Bale Mountains National Park, Ethiopia. The aims of this study were to: (1 measure and quantify habitat-specific stem bite diameters of mountain nyala foraging on common natural plant species in two major habitat types (i.e. grasslands versus woodlands, and (2 quantify the bite rates (number of bites per minute and the activity time budgets of mountain nyala as functions of habitat type and sex-age category. We randomly laid out three transects in each habitat type. Following each transect, through focal animal observations, we assessed and quantified stem diameters at point of browse (dpb, bite rates, and time budgets of mountain nyala in grasslands versus woodlands. Stem dpb provide a measure of natural giving-up densities (GUDs and can be used to assess foraging costs and efficiencies, with greater stem dpb corresponding to lower costs and greater efficiencies. The results showed that stem dpb, bite rates, induced vigilance, and proportion of time spent in feeding differed between habitats. In particular, mountain nyala had greater stem dpb, higher bite rates, and spent a greater proportion of their time in feeding and less in induced vigilance in the grasslands. In addition, adult females had the highest bite rates, and the browse species Solanum marginatum had the greatest stem dpb. Generally, grasslands provide the mountain nyala with several advantages over the woodlands, including offering lower foraging costs, greater safety, and more time for foraging. The study advocates how behavioural indicators and natural GUDs are used to examine the habitat use of the endangered mountain nyala through applying non-invasive techniques. We conclude that the resulting measures are helpful for guiding conservation and management efforts and could be applicable to a number of endangered wildlife species including the mountain nyala [Current Zoology 59 (6 : 707

  9. Intelligent Browsing System for E-Government Based on Domain Ontology Base%基于领域本体库的电子政务智能浏览系统

    Institute of Scientific and Technical Information of China (English)

    葛新; 董朝阳

    2012-01-01

    为了使用户能够快速、智能地利用电子政务信息资源,文中对不同来源、不同结构的数据进行整合和处理,提供面向业务领域主题查询、检索的智能浏览系统,给出了电子政务智能浏览系统体系结构,对系统的主要功能如数据发掘、数据存储、数据挖掘分析、智能浏览服务器、智能浏览客户端等进行了分析;对系统实现的关键技术即基于领域本体库的电子政务智能浏览进行了深入研究,讨论了领域本体实例库的建立方法,分析了智能浏览的工作流程,并对领域本体的构建、推理机制、智能浏览等关键活动进行了研究.%In order to use the information of e-government rapidly and smartly for users, the data of various sources and structure are integrated and processed. The intelligent browsing system is provided, which can be used for querying and retrieving of domain topics. The architecture of intelligent browsing for e-government is proposed. The main parts of the system are analyzed, such as data mining, data storing, data analyzing, intelligent browsing server, as well as intelligent browsing client. The key technology of the system, namely the intelligent browsing based on ontology is discussed. The constructing method for ontology instance base is proposed. Finally, the work flow of intelligent browsing is analyzed, and the key activities are studied, such as construction of domain ontology, deducing mechanism, as well as intelligent browsing.

  10. Impacts of white-tailed deer on red trillium (Trillium recurvatum): defining a threshold for deer browsing pressure at the Indiana Dunes National Lakeshore

    Science.gov (United States)

    Pavlovic, Noel B.; Leicht-Young, Stacey A.; Grundel, Ralph

    2014-01-01

    Overabundant white-tailed deer (Odocoileus virginianus) have been a concern for land managers in eastern North America because of their impacts on native forest ecosystems. Managers have sought native plant species to serve as phytoindicators of deer impacts to supplement deer surveys. We analyzed experimental data about red trillium (Trillium recurvatum), large flowered trillium (T. grandiflorum), nodding trillium (T. cernuum), and declined trillium (T. flexipes) growth in paired exclosure (fenced) plots and control (unfenced) plots from 2002 to 2010 at the Indiana Dunes National Lakeshore. The latter two species lacked replication, so statistical analysis was not possible. All red trillium plants were surveyed for height-to-leaf, effects of browsing, and presence of flowers. Data from individuals in 2009 demonstrated a sigmoidal relationship between height-to-leaf and probability of flowering. The relationship on moraine soils was shifted to taller plants compared to those on sand substrates, with respectively 50 percent flowering at 18 and 16 cm and 33 percent flowering at 16 and 14 cm height-to-leaf. On a plot basis, the proportion of plants flowering was influenced by height to leaf, duration of protection, and deviation in rainfall. The proportion of plants flowering increased ninefold in exclosures (28 percent) compared to control plots (3 percent) over the 8 years of protection. The mean height-to-leaf was a function of the interaction between treatment and duration, as well as red trillium density. Changes in height-to-leaf in control plots from year to year were significantly influenced by an interaction between change in deer density and change in snowfall depth. There was a significant negative correlation between change in deer density and snowfall depth. Plants in the exclosures increased in height at a rate of 1.5 cm yr−1 whereas control plants decreased in height by 0.9 cm yr−1. In all, 78 percent of the control plots lacked flowering

  11. Study of the Uses' Interests Based on the Internet Browsing History%挖掘用户浏览网页的兴趣研究

    Institute of Scientific and Technical Information of China (English)

    曹易; 张宁

    2012-01-01

    This paper analyses the users' group interests by mining the internet browsing history. To count the visiting information of the interests' categories, visiting time and the number of users, get the regularity of conclusion. Then, it has put forward an improved HAC (hierarchical agglomerative clustering) and k-means algorithm to cluster the users by their interests, to mine the users' access mode. Finally, it has proved the stability of users' dominant interests. That means the users' most important interests are stable as the time increases.%通过挖掘网页的浏览记录来对用户群体兴趣进行分析.对访问网站的兴趣类别、时间、用户数进行统计,得到规律性的结论.其次提出一种改进的基于HAC和k-means的算法对用户根据兴趣进行聚类,挖掘用户的访问模式.最后验证了主导兴趣的稳定性即随着日志的增加,用户的最大兴趣是趋于稳定的.

  12. The dbGaP data browser: a new tool for browsing dbGaP controlled-access genomic data

    Science.gov (United States)

    Wong, Kira M.; Langlais, Kristofor; Tobias, Geoffrey S.; Fletcher-Hoppe, Colette; Krasnewich, Donna; Leeds, Hilary S.; Rodriguez, Laura Lyman; Godynskiy, Georgy; Schneider, Valerie A.; Ramos, Erin M.; Sherry, Stephen T.

    2017-01-01

    The database of Genotypes and Phenotypes (dbGaP) Data Browser (https://www.ncbi.nlm.nih.gov/gap/ddb/) was developed in response to requests from the scientific community for a resource that enable view-only access to summary-level information and individual-level genotype and sequence data associated with phenotypic features maintained in the controlled-access tier of dbGaP. Until now, the dbGaP controlled-access environment required investigators to submit a data access request, wait for Data Access Committee review, download each data set and locally examine them for potentially relevant information. Existing unrestricted-access genomic data browsing resources (e.g. http://evs.gs.washington.edu/EVS/, http://exac.broadinstitute.org/) provide only summary statistics or aggregate allele frequencies. The dbGaP Data Browser serves as a third solution, providing researchers with view-only access to a compilation of individual-level data from general research use (GRU) studies through a simplified controlled-access process. The National Institutes of Health (NIH) will continue to improve the Browser in response to user feedback and believes that this tool may decrease unnecessary download requests, while still facilitating responsible genomic data-sharing. PMID:27899644

  13. Web页面视觉搜索与浏览策略的眼动研究%Exploring Visual Search and Browsing Strategies on Web Pages Using the Eye-tracking

    Institute of Scientific and Technical Information of China (English)

    栗觅; 钟宁; 吕胜富

    2011-01-01

    利用眼动跟踪技术,探讨Web页面视觉搜索和浏览的视觉特征,并分析2种视觉行为对应策略的差异.实验结果发现,视觉搜索时,周边区域的注视时间和注视次数显著大于中心区域;而视觉浏览时,周边区域和中心区域没有显著差异.而且,视觉搜索时的瞳孔直径显著大于浏览时的瞳孔直径,说明视觉搜索时的心理负荷显著大于浏览时的心理负荷.结果表明,在Web页面上视觉搜索呈现周边区域的视觉搜索策略,而对于视觉浏览更多采用无明显规律的自由随机浏览策略.这种视觉搜索与浏览策略的差异主要是来自目标驱动和心理负荷大小的影响.%This study investigates the characteristics of visual search and browsing, and analyzes the differences of those strategies on Web pages using the eye tracking. When participants search on Web pages, the peripheral area is significantly higher than the central area on fixation duration and fixation count; when participants brows information on Web pages, there is no significant difference between the peripheral area and the central area on fixation duration and fixation count. Visual search is significantly larger than browsing on the average pupil diameter, which shows that the mental load on visual search is significantly greater than that on browsing.Results show that the visual search strategy pays more attention to the peripheral area than the central area;however, the visual browsing strategy freely run their eyes over the peripheral area and the central area in equality. The differences between the visual search and the browsing strategies are mainly due to the goal-driven and the mental load.

  14. Performing statistical analyses on quantitative data in Taverna workflows: An example using R and maxdBrowse to identify differentially-expressed genes from microarray data

    Directory of Open Access Journals (Sweden)

    Pocock Matthew R

    2008-08-01

    Full Text Available Abstract Background There has been a dramatic increase in the amount of quantitative data derived from the measurement of changes at different levels of biological complexity during the post-genomic era. However, there are a number of issues associated with the use of computational tools employed for the analysis of such data. For example, computational tools such as R and MATLAB require prior knowledge of their programming languages in order to implement statistical analyses on data. Combining two or more tools in an analysis may also be problematic since data may have to be manually copied and pasted between separate user interfaces for each tool. Furthermore, this transfer of data may require a reconciliation step in order for there to be interoperability between computational tools. Results Developments in the Taverna workflow system have enabled pipelines to be constructed and enacted for generic and ad hoc analyses of quantitative data. Here, we present an example of such a workflow involving the statistical identification of differentially-expressed genes from microarray data followed by the annotation of their relationships to cellular processes. This workflow makes use of customised maxdBrowse web services, a system that allows Taverna to query and retrieve gene expression data from the maxdLoad2 microarray database. These data are then analysed by R to identify differentially-expressed genes using the Taverna RShell processor which has been developed for invoking this tool when it has been deployed as a service using the RServe library. In addition, the workflow uses Beanshell scripts to reconcile mismatches of data between services as well as to implement a form of user interaction for selecting subsets of microarray data for analysis as part of the workflow execution. A new plugin system in the Taverna software architecture is demonstrated by the use of renderers for displaying PDF files and CSV formatted data within the Taverna

  15. Research on network structure recommendation system based on multi page browsing mode%基于用户多页面浏览模式下的网络结构推荐系统的研究

    Institute of Scientific and Technical Information of China (English)

    朱立夫; 刘向东

    2016-01-01

    针对用户普遍使用的多页面浏览器产生树型结构的浏览路径,Web日志中将会呈现非时序的日志记录。本文提出了一种新的自上而下的用户访问路径收集算法,进而得出的用户在一次会话中可能访问的复数目的页面,由此得出全局目的页面访问频度矩阵,此矩阵的数据作为实现基于网络结构的推荐系统的核心数据。%In view of browsing path for the tree structure of multi page browser which is widely used by users, the Web log will show non sequential log records. This paper presents a new top⁃down user access path collection algorithm, and then come to the complex page a user in a session may visit, resulting in a global page access frequency matrix. This matrix data could be used as core data based on the recommendation system from the network structure.

  16. 基于马尔科夫模型和贝叶斯定理的Web用户浏览行为预测模型%Users ’ Web Browsing Behavior Prediction Model Based on Markov Model and Bayesian Theorem

    Institute of Scientific and Technical Information of China (English)

    毕猛; 侯林; 倪盼; 周福才

    2016-01-01

    对用户的Web浏览行为进行分析,既可以使用户减少等待时间,同时也能减轻网络负载。依据Web网站的层次结构特点,首先设计了基于Hash表的反向索引结构来提高数据的预处理速度;在此基础上,利用分层思想构建了基于马尔科夫模型和贝叶斯定理的Web用户浏览行为预测模型。给出了模型的设计思想、相关定义、模型框架以及模型中所涉及的关键构建方法等。最后,对模型进行了实验分析,结果表明在适当的预测准确率前提下,模型能够有效减少在预测时所需的候选网页数量,并大幅提升预测效率。%According to the novel aspect of natural hierarchical property of Web site,the inverted index structure was proposed based on Hash table ( IIS-HT ) to promote the speed of data preprocessing. Based on IIS-HT,a prediction model was also proposed which was based on statistics to predict users’browsing behavior. The design idea,definition,framework and key construction methods of the model were also given. Finally,the proposed model was tested with real data. The experimental results show that the model and prediction algorithm could reduce the scope of candidate pages and improve the speed of prediction with adequate accuracy.

  17. What web browsing reveals about your health.

    Science.gov (United States)

    Libert, Timothy; Grande, David; Asch, David A

    2015-01-01

    Advertisers can learn a lot from our digital footprints, including about our health. Timothy Libert and colleagues argue that we need to tighten restrictions on such data for marketing purposes while looking at their potential to improve health.

  18. The Business Cafe Project: Viewing to Browsing?

    Science.gov (United States)

    Salmon, Gilly

    2001-01-01

    Describes and discusses critically a unique experiment called The Business Cafe that used a combination of broadcast television and an interactive Web site to reach people interested in business and management. Outlines the nine broadcasts, which were collaborations between the Open University (United Kingdom) and the BBC (British Broadcasting…

  19. Analysis of Commodity Parameters Browsing Preference in Consumer' s Online Shopping Decision- making Taking Digital Camera for Example%消费者在线购物决策中的商品参数浏览偏好分析——以数码相机为例

    Institute of Scientific and Technical Information of China (English)

    许应楠

    2012-01-01

    In order to provide better online shopping services, this article firstly analyzes consumer' s online decision - making process. Secondly it analyzes consumer' s behavior of commodity parameters browsing preference and influence fac- tors. Then taking digital camera for example, the author designs and organizes the experiment of consumer' s browsing pref- erence of digital camera parameters. Experimental results show that consumers of different genders and knowledge back- ground have different preferences of commodity parameters. Finally, based on experimental results, it provides suggestions for content design of future knowledge recommendation services.%为更好地提供在线购物服务,首先分析消费者在线商品选择决策过程,对消费者的商品参数浏览偏好行为及影响因素进行深入分析,然后以数码相机为例,设计并组织消费者数码相机参数浏览偏好实验。通过实验,发现不同性别、知识背景的消费者对商品参数有着不同的偏好。最后基于实验结果,对知识推荐服务内容设计提出建议。

  20. Younger Adults Derive Pleasure and Utilitarian Benefits from Browsing for Music Information Seeking in Physical and Digital Spaces. A Review of: Laplante, A., & Downie, J. S. (2011. The utilitarian and hedonic outcomes of music information-seeking in everyday life. Library & Information Science Research, 33, 202-210. doi:10.1016/j.lisr.2010.11.002

    Directory of Open Access Journals (Sweden)

    Diana K. Wakimoto

    2012-09-01

    experiences included deriving pleasure and feeling engaged while searching or browsing for music. Especially satisfying experiences were those where the participants felt highly engaged in the process and found new, independent, non-mainstream music. Not finding new music did not automatically lead to an unsatisfying experience for the participants; however, technology malfunctions in digital MIR systems and unpleasant environments such as those with unfriendly staff in physical music spaces (libraries and stores, led to unsatisfying experiences for the participants.Conclusions – As the results show that the hedonic aspects of music information seeking are very important, designers of MIR systems must take into account the hedonic as well as utilitarian outcomes when creating user interfaces. MIR systems should be designed with browsing as well as searching capabilities so searchers can make serendipitous discoveries of new music and information about music. In other words, MIR systems need to be engaging to ensure satisfying interactions for searchers.

  1. Topic Browsing for Research Papers with Hierarchical Latent Tree Analysis

    OpenAIRE

    Poon, Leonard K. M.; Zhang, Nevin L.

    2016-01-01

    Academic researchers often need to face with a large collection of research papers in the literature. This problem may be even worse for postgraduate students who are new to a field and may not know where to start. To address this problem, we have developed an online catalog of research papers where the papers have been automatically categorized by a topic model. The catalog contains 7719 papers from the proceedings of two artificial intelligence conferences from 2000 to 2015. Rather than the...

  2. 60. The World-Wide Inaccessible Web, Part 1: Browsing

    Science.gov (United States)

    Baggaley, Jon; Batpurev, Batchuluun

    2007-01-01

    Two studies are reported, comparing the browser loading times of webpages created using common Web development techniques. The loading speeds were estimated in 12 Asian countries by members of the "PANdora" network, funded by the International Development Research Centre (IDRC) to conduct collaborative research in the development of effective…

  3. Nutritive value of bamboo as browse for livestock

    Science.gov (United States)

    Small farms in Appalachia need management options that diversify income opportunities; are adaptable to new livestock management strategies; and help maintain environmental integrity. Plantings of temperate bamboo (Poaceae), including species native to West Virginia, were established to determine p...

  4. Using the NCBI Map Viewer to browse genomic sequence data.

    Science.gov (United States)

    Wolfsberg, Tyra G

    2011-04-01

    This unit includes a basic protocol with an introduction to the Map Viewer, describing how to perform a simple text-based search of genome annotations to view the genomic context of a gene, navigate along a chromosome, zoom in and out, and change the displayed maps to hide and show information. It also describes some of NCBI's sequence-analysis tools, which are provided as links from the Map Viewer. The alternate protocols describe different ways to query the genome sequence, and also illustrate additional features of the Map Viewer. Alternate Protocol 1 shows how to perform and interpret the results of a BLAST search against the human genome. Alternate Protocol 2 demonstrates how to retrieve a list of all genes between two STS markers. Finally, Alternate Protocol 3 shows how to find all annotated members of a gene family.

  5. WebTag: Web browsing into sensor tags over NFC.

    Science.gov (United States)

    Echevarria, Juan Jose; Ruiz-de-Garibay, Jonathan; Legarda, Jon; Alvarez, Maite; Ayerbe, Ana; Vazquez, Juan Ignacio

    2012-01-01

    Information and Communication Technologies (ICTs) continue to overcome many of the challenges related to wireless sensor monitoring, such as for example the design of smarter embedded processors, the improvement of the network architectures, the development of efficient communication protocols or the maximization of the life cycle autonomy. This work tries to improve the communication link of the data transmission in wireless sensor monitoring. The upstream communication link is usually based on standard IP technologies, but the downstream side is always masked with the proprietary protocols used for the wireless link (like ZigBee, Bluetooth, RFID, etc.). This work presents a novel solution (WebTag) for a direct IP based access to a sensor tag over the Near Field Communication (NFC) technology for secure applications. WebTag allows a direct web access to the sensor tag by means of a standard web browser, it reads the sensor data, configures the sampling rate and implements IP based security policies. It is, definitely, a new step towards the evolution of the Internet of Things paradigm.

  6. WebTag: Web Browsing into Sensor Tags over NFC

    Directory of Open Access Journals (Sweden)

    Juan Jose Echevarria

    2012-06-01

    Full Text Available Information and Communication Technologies (ICTs continue to overcome many of the challenges related to wireless sensor monitoring, such as for example the design of smarter embedded processors, the improvement of the network architectures, the development of efficient communication protocols or the maximization of the life cycle autonomy. This work tries to improve the communication link of the data transmission in wireless sensor monitoring. The upstream communication link is usually based on standard IP technologies, but the downstream side is always masked with the proprietary protocols used for the wireless link (like ZigBee, Bluetooth, RFID, etc.. This work presents a novel solution (WebTag for a direct IP based access to a sensor tag over the Near Field Communication (NFC technology for secure applications. WebTag allows a direct web access to the sensor tag by means of a standard web browser, it reads the sensor data, configures the sampling rate and implements IP based security policies. It is, definitely, a new step towards the evolution of the Internet of Things paradigm.

  7. Indian accent text-to-speech system for web browsing

    Indian Academy of Sciences (India)

    Aniruddha Sen; K Samudravijaya

    2002-02-01

    Incorporation of speech and Indian scripts can greatly enhance the accessibility of web information among common people. This paper describes a ‘web reader’ which ‘reads out’ the textual contents of a selected web page in Hindi or in English with Indian accent. The content of the page is downloaded and parsed into suitable textual form. It is then passed on to an indigenously developed text-to-speech system for Hindi/Indian English, to generate spoken output. The text-to-speech conversion is performed in three stages: text analysis, to establish pronunciation, phoneme to acoustic-phonetic parameter conversion and, lastly, parameter-to-speech conversion through a production model. Different types of voices are used to read special messages. The web reader detects the hypertext links in the web pages and gives the user the option to follow the link or continue perusing the current web page. The user can exercise the option either through a keyboard or via spoken commands. Future plans include refining the web parser, improvement of naturalness of synthetic speech and improving the robustness of the speech recognition system.

  8. Automatic Identification and Organization of Index Terms for Interactive Browsing.

    Science.gov (United States)

    Wacholder, Nina; Evans, David K.; Klavans, Judith L.

    The potential of automatically generated indexes for information access has been recognized for several decades, but the quantity of text and the ambiguity of natural language processing have made progress at this task more difficult than was originally foreseen. Recently, a body of work on development of interactive systems to support phrase…

  9. Contrasting responses of two passerine bird species to moose browsing

    OpenAIRE

    Mathisen, Karen Marie; Pedersen, Simen; Nilsen, Erlend Birkeland; Skarpe, Christina

    2012-01-01

    Large herbivores may modify the ecosystem in a way that affects habitat quality and resource availability for other fauna. The increase in wild ungulate abundance in many areas may therefore lead to ecosystem changes, affecting distribution and reproduction of other species. Moose (Alces alces) in Scandinavia is a good example of a herbivore that has recently increased in abundance, and has the potential to affect the ecosystem. In this study we investigated how different levels o...

  10. Burning and browsing effects on willow growth in interior Alaska

    Data.gov (United States)

    US Fish and Wildlife Service, Department of the Interior — The dominant species in mature forests of interior Alaska is either white spruce (Picea glauca} or black spruce (P. mariana), with wood shrubs present at lower...

  11. Magpie: customizing users' experiences when browsing on the semantic web

    OpenAIRE

    Dzbor, Martin; Domingue, John; Motta, Enrico

    2004-01-01

    We describe several advanced functionalities of Magpie -- a tool that assists users with interpreting the web resources. Magpie is an extension to the Internet Explorer that automatically creates a semantic layer for web pages using a user-selected ontology. Semantic layers are annotations of a web page, with a set of applicable semantic services attached to the annotated items. We argue that the ability to generate different semantic layers for a web resource is vital to support the interpre...

  12. Safe browsing - is an ad-blocker enough?

    CERN Document Server

    CERN. Geneva

    2015-01-01

    An ad-blocker plugin in your browser stops advertisements and maybe some malware. But is it enough? Are you feeling secure while surfing the Web? If your answer is yes, think twice! What else can you do to protect yourself?

  13. Visualization of Client-Side Web Browsing and Email Activity

    Science.gov (United States)

    2009-06-01

    mantenimiento the amazing race dustin & candice oskar schindler mythbusters femjoy 080814-kathi in peace anna_ac_-_elixia miley cyrus mapa linea 12 metro... mantenimiento www.google.com.mx alcohol isopropilico www.google.com.mx descargas rapidshare corta final firefox www.google.com.mx desactivar

  14. Finding, Browsing and Getting Data Easily Using SPDF Web Services

    Science.gov (United States)

    Candey, R.; Chimiak, R.; Harris, B.; Johnson, R.; Kovalick, T.; Lal, N.; Leckner, H.; Liu, M.; McGuire, R.; Papitashvili, N.; Roberts, A.

    2010-01-01

    The NASA GSFC Space Physics Data Facility (5PDF) provides heliophysics science-enabling information services for enhancing scientific research and enabling integration of these services into the Heliophysics Data Environment paradigm, via standards-based approach (SOAP) and Representational State Transfer (REST) web services in addition to web browser, FTP, and OPeNDAP interfaces. We describe these interfaces and the philosophies behind these web services, and show how to call them from various languages, such as IDL and Perl. We are working towards a "one simple line to call" philosophy extolled in the recent VxO discussions. Combining data from many instruments and missions enables broad research analysis and correlation and coordination with other experiments and missions.

  15. Browsing of E-Journals by Engineering Faculty

    Science.gov (United States)

    Bennett, Denise Beaubien; Buhler, Amy G.

    2010-01-01

    In response to a hypothesis that researchers who no longer use print journals may miss out on the serendipitous benefits of "poor indexing" provided by print tables of contents, librarians at the University of Florida surveyed their engineering faculty to determine faculty use of tables of contents in either print or online format. Results…

  16. BIM Based Architectural Model Browsing System ’ s Development and Its Exploration in Teaching Applications%基于BIM的建筑模型浏览系统的开发及其在教学应用中的探索

    Institute of Scientific and Technical Information of China (English)

    黄奇; 刘晓勤; 王婷

    2015-01-01

    In recent years, with the improvement of com-munity capacity requirements for higher vocational students, the college teaching reform is imperative. Take the architectural knowledge map courses for example, currently the book knowl-edge is relatively so abstract that students cannot be a good grasp, the curriculum needs to upgrade and improve. BIM tech-nology, technology of building information model, a major fea-ture of this technology is the ability to demonstrate the whole in-formation of the architecture in detail. Based on BIM technology we developed an architectural model browsing system, this sys-tem can be used for 3D architectural models displaying while supporting model data read online, and can be customized to support other teaching functions. Through the effective use of this system in the architectural knowledge map course teaching, we expect to help students better understand the course knowl-edge and improve learning initiative, thus contributing to im-prove the quality of teaching.%近年来,随着社会对高职学生能力要求的提高,高职教学改革势在必行。以建筑识图专业课程为例,当前的教学中存在着书本知识相对抽象,学生学习效果差的情况,亟需进行提升和改善。 BIM是建筑模型信息技术,它的突出特点就是能够全面详细地展示建筑体的信息。本文基于BIM技术开发了一套建筑模型浏览系统,该系统可以进行3D建筑模型的展示,能够支持在线模型数据的读取,并且可以进行教学功能的添加。通过将该系统有效地运用于建筑识图专业课程教学活动中,帮助学生更好地掌握课程知识点,提高学习积极性,从而促进教学质量的提高。

  17. Discovering potential user browsing behaviors using custom-built apriori algorithm

    CERN Document Server

    Rawat, Sandeep Singh

    2010-01-01

    Most of the organizations put information on the web because they want it to be seen by the world. Their goal is to have visitors come to the site, feel comfortable and stay a while and try to know completely about the running organization. As educational system increasingly requires data mining, the opportunity arises to mine the resulting large amounts of student information for hidden useful information (patterns like rule, clustering, and classification, etc). The education domain offers ground for many interesting and challenging data mining applications like astronomy, chemistry, engineering, climate studies, geology, oceanography, ecology, physics, biology, health sciences and computer science. Collecting the interesting patterns using the required interestingness measures, which help us in discovering the sophisticated patterns that are ultimately used for developing the site. We study the application of data mining to educational log data collected from Guru Nanak Institute of Technology, Ibrahimpatn...

  18. Long-term effects of ungulate browsing on forest composition and structure

    NARCIS (Netherlands)

    Didion, M.P.; Kupferschmid, A.D.; Bugmann, H.

    2009-01-01

    The impact of ungulate herbivores on tree regeneration and its possible consequences for long-term forest dynamics has raised concerns worldwide. In many countries, ungulate management aims at constant animal densities, whereas unmanaged ungulate populations tend to fluctuate over time. The ecosyste

  19. EEGVIS: A MATLAB Toolbox for Browsing, Exploring, and Viewing Large Datasets.

    Science.gov (United States)

    Robbins, Kay A

    2012-01-01

    Recent advances in data monitoring and sensor technology have accelerated the acquisition of very large data sets. Streaming data sets from instrumentation such as multi-channel EEG recording usually must undergo substantial pre-processing and artifact removal. Even when using automated procedures, most scientists engage in laborious manual examination and processing to assure high quality data and to indentify interesting or problematic data segments. Researchers also do not have a convenient method of method of visually assessing the effects of applying any stage in a processing pipeline. EEGVIS is a MATLAB toolbox that allows users to quickly explore multi-channel EEG and other large array-based data sets using multi-scale drill-down techniques. Customizable summary views reveal potentially interesting sections of data, which users can explore further by clicking to examine using detailed viewing components. The viewer and a companion browser are built on our MoBBED framework, which has a library of modular viewing components that can be mixed and matched to best reveal structure. Users can easily create new viewers for their specific data without any programming during the exploration process. These viewers automatically support pan, zoom, resizing of individual components, and cursor exploration. The toolbox can be used directly in MATLAB at any stage in a processing pipeline, as a plug-in for EEGLAB, or as a standalone precompiled application without MATLAB running. EEGVIS and its supporting packages are freely available under the GNU general public license at http://visual.cs.utsa.edu/eegvis.

  20. Browsing the sky through the ASI Science Data Centre Data Explorer Tool

    CERN Document Server

    D'Elia, V; Verrecchia, F; Gendre, B; Giommi, P

    2010-01-01

    We present here the Data Explorer tool developed at the ASI Science Data Center (ASDC). This tool is designed to provide an efficient and user-friendly way to display information residing in several catalogs stored in the ASDC servers, to cross-correlate this information and to download/analyze data via our scientific tools and/or external services. Our database includes GRB catalogs (such as Swift and Beppo-SAX), which can be queried through the Data Explorer. The GRB fields can be viewed in multiwavelength and the data can be analyzed or retrieved.

  1. Virtual reality approach for 3D large model browsing on web site

    Institute of Scientific and Technical Information of China (English)

    2005-01-01

    Using virtual reality for interactive design gives a designer an intuitive vision of a design and allows the designer to achieve a viable, optimal solution in a timely manner. The article discusses the process of making the Virtual Reality System of the Humble Administrator's Garden. Translating building data to the Virtual Reality Modeling Language (VRML) is by far unsatisfactory. This creates a challenge for computer designers to do optimization to meet requirements. Five different approaches to optimize models have been presented in this paper. The other methods are to optimize VRML and to reduce the file size. This is done by keeping polygon counts to a minimum and by applying such techniques as object culling and level-of-detail switching.

  2. A literature-based approach to annotation and browsing of Web resources

    Directory of Open Access Journals (Sweden)

    Miguel A. Sicilia

    2003-01-01

    Full Text Available The emerging Semantic Web technologies critically depend on the availability of shared knowledge representations called ontologies, which are intended to encode consensual knowledge about specific domains. Currently, the proposed processes for building and maintaining those ontologies entail the joint effort of groups of representative domain experts, which can be expensive in terms of co-ordination and in terms of time to reach consensus.In this paper, literature-based ontologies, which can be initially developed by a single expert and maintained continuously, are proposed as preliminary alternatives to group-generated domain ontologies, or as early versions for them. These ontologies encode domain knowledge in the form of terms and relations along with the (formal or informal bibliographical resources that define or deal with them, which makes them specially useful for domains in which a common terminology or jargon is not soundly established. A general-purpose metamodelling framework for literature-based ontologies - which has been used in two concrete domains - is described, along with a proposed methodology and a specific resource annotation approach. In addition, the implementation of an RDF-based Web resource browser - that uses the ontologies to guide the user in the exploration of a corpus of digital resources- is presented as a proof of concept.

  3. News from the Library: Browse Library books directly from your desktop

    CERN Multimedia

    CERN Library

    2011-01-01

    The collection of electronic books held by the Library is steadily expanding, but there are still many titles not available online. However, to some extent Google is bridging the gap.   Google Books is an initiative launched by Google in 2004, in collaboration with a range of publishers and large libraries, which provides the books online and enables searches of the text from cover to cover. For titles that are out of copyright, or in cases where Google has struck an agreement with the publisher, the entire books can be read online. For other books, users can still search in the entire text but, depending on the agreement reached with the publisher, they may only be able to read a limited amount of pages (limited preview) or a few lines of text (known as snippets). Google Books also provides additional information such as reviews and links to related titles. Today, there are more than 15 million scanned books in Google Books. Over the last few weeks, Google Books has been "mashed up&...

  4. Smart "geomorphological" map browsing - a tale about geomorphological maps and the internet

    Science.gov (United States)

    Geilhausen, M.; Otto, J.-C.

    2012-04-01

    With the digital production of geomorphological maps, the dissemination of research outputs now extends beyond simple paper products. Internet technologies can contribute to both, the dissemination of geomorphological maps and access to geomorphologic data and help to make geomorphological knowledge available to a greater public. Indeed, many national geological surveys employ end-to-end digital workflows from data capture in the field to final map production and dissemination. This paper deals with the potential of web mapping applications and interactive, portable georeferenced PDF maps for the distribution of geomorphological information. Web mapping applications such as Google Maps have become very popular and widespread and increased the interest and access to mapping. They link the Internet with GIS technology and are a common way of presenting dynamic maps online. The GIS processing is performed online and maps are visualised in interactive web viewers characterised by different capabilities such as zooming, panning or adding further thematic layers, with the map refreshed after each task. Depending on the system architecture and the components used, advanced symbology, map overlays from different applications and sources and their integration into a Desktop GIS are possible. This interoperability is achieved through the use of international open standards that include mechanisms for the integration and visualisation of information from multiple sources. The portable document format (PDF) is commonly used for printing and is a standard format that can be processed by many graphic software and printers without loss of information. A GeoPDF enables the sharing of geospatial maps and data in PDF documents. Multiple, independent map frames with individual spatial reference systems are possible within a GeoPDF, for example, for map overlays or insets. Geospatial functionality of a GeoPDF includes scalable map display, layer visibility control, access to attribute data, coordinate queries and spatial measurements. The full functionality of GeoPDFs requires free and user-friendly plug-ins for PDF readers and GIS software. A GeoPDF enables fundamental GIS functionality turning the formerly static PDF map into an interactive, portable georeferenced PDF map. GeoPDFs are easy to create and provide an interesting and valuable way to disseminate geomorphological maps. Our motivation to engage with the online distribution of geomorphological maps originates in the increasing number of web mapping applications available today indicating that the Internet has become a medium for displaying geographical information in rich forms and user-friendly interfaces. So, why not use the Internet to distribute geomorphological maps and enhance their practical application? Web mapping and dynamic PDF maps can play a key role in the movement towards a global dissemination of geomorphological information. This will be exemplified by live demonstrations of i.) existing geomorphological WebGIS applications, ii.) data merging from various sources using web map services, and iii.) free to download GeoPDF maps during the presentations.

  5. Technical Evaluation Report 60: The World-Wide Inaccessible Web, Part 1: Browsing

    Directory of Open Access Journals (Sweden)

    Batchuluun Batpurev

    2007-06-01

    Full Text Available Two studies are reported, comparing the browser loading times of webpages created using common Web development techniques. The loading speeds were estimated in 12 Asian countries by members of the PANdora network, funded by the International Development Research Centre (IDRC to conduct collaborative research in the development of effective distance education (DE practices. An online survey tool with stopwatch-type counter was used. Responses were obtained from Bhutan, Cambodia, India, Indonesia, Laos, Mongolia, the Philippines, Sri Lanka, Pakistan, Singapore, Thailand, and Vietnam. In most of the survey conditions, browser loading times were noted up to four times slower than commonly prescribed as acceptable. Failure of pages to load at all was frequent. The speediest loading times were observed when the online material was hosted locally, and was created either in the Docebo learning management system (LMS, or in the HTML option provided by the Moodle LMS. It is recommended that formative evaluation of this type should become standard practice in the selection and use of online programming techniques, in order to preserve the accessibility of the World-Wide-Web across large geographical distances, as for DE in the developing world.

  6. Digestion, growth performance and caecal fermentation in growing rabbits fed diets containing foliage of browse trees

    Directory of Open Access Journals (Sweden)

    S.H. Abu Hafsa

    2016-12-01

    Full Text Available This study aimed to evaluate the effect of feeding dried foliage (leaves and petioles of Acacia saligna, Leucaena leucocephala or Moringa oleifera on the performance, digestibility, N utilisation, caecal fermentation and microbial profiles in New Zealand White (NZW rabbits. One hundred weaned male NZW rabbits weighing 819.2±16.6 g and aged 35±1 d were randomly allocated into 4 groups of 25 rabbits each. Rabbits were fed on pelleted diets containing 70% concentrate mixture and 30% Egyptian berseem (Trifolium alexandrinum hay (Control diet or one of the other 3 experimental diets, where 50% of berseem hay was replaced with A. saligna (AS, L. leucocephala (LL or M. oleifera (MO. Compared to Control diet, decreases in dry matter (DM; P=0.004, organic matter (P=0.028, crude protein (CP; P=0.001, neutral detergent fibre (P=0.033 and acid detergent fibre (P=0.011 digestibility were observed with the AS diet. However, DM and CP digestibility were increased by 3% with the MO diet, and N utilisation was decreased (P<0.05 with AS. Rabbits fed AS and LL diets showed decreased (P=0.001 average daily gain by 39 and 7%, respectively vs. Control. Feed conversion was similar in Control and MO rabbits, whereas rabbits fed AS diet ate up to 45% more feed (P=0.002 than Control rabbits to gain one kg of body weight. Caecal ammonia-N was increased (P=0.002 with LL, while acetic acid was decreased (P=0.001 with AS diet vs. other treatments. Caecal E. coli and Lactobacillus spp. bacteria counts were decreased with MO by about 44 and 51%, respectively, vs. Control. In conclusion, under the study conditions, tree foliage from M. oleifera and L. leucocephala are suitable fibrous ingredients to be included up to 150 g/kg in the diets of growing rabbits, and can safely replace 50% of berseem hay in diets of NZW rabbits without any adverse effect on their growth performance. Foliage from M. oleifera had a better potential as a feed for rabbits than that from L. leucocephala. Although foliage from A. saliga may be also used at 150 g/kg in the diets of growing rabbits, this level of inclusion may result in reduced feed digestibility and growth performance.

  7. Lively data: discover, browse and access ocean altimetry data on internet

    Directory of Open Access Journals (Sweden)

    V. Rosmorduc

    2006-01-01

    Full Text Available The Products and Services (P&S department in the Space Oceanography Division at CLS (Collecte, Localisation, Satellites is in charge of distributing and promoting altimetry and operational oceanography data. The department is thus involved in the Aviso satellite altimetry project (the French service which distributes altimetry products since 1992, in the Mercator ocean operational forecasting system, and in the European Godae/Mersea ocean portal. Aiming to a standardisation and a common vision and management of all these ocean data, all these projects, led to the implementation of several Opendap/LAS Internet servers (Baudel et al., 2004. Some of the possibilities of the tools, as well as how-to information will be highlighted, as they are in the "Lively data'' section of Aviso website (see http://www.aviso.oceanobs.com/html/donnees/las/. Moreover, with a two-year experience we now have some feedback and analysis of how people – users, would-be users and students alike – are using this tool, some ideas for possible enhancements, etc.

  8. The Event Browser:An Intutive Approach to Browsing BaBar Object Databases

    Institute of Scientific and Technical Information of China (English)

    AdeyemiAdesanya

    2001-01-01

    Providing efficient access to more than 300TB of experiment data is the responsibility of the BaBar1 Databases Group.Unlike generic tools,The Event Browser presents users with an abstraction of the BaBar data model.Multithreaded CORBA2 servers perform database operations using small transactions in an effort to avoid lock contention issues and provide adequate response times.The GUI client is implemented in Java and can be easily deployed throughout the community in the form of a web applet.The browser allows users to examine collections of related physics events and identify associations between the collections and the physical files in which they reside,helping administrators distribute data to other sites worldwide,This paper discusses the various aspects of the Event Browser including requirements,design challenges and key features of the current implementation.

  9. Analysis of search and browsing behavior of young users on the web

    NARCIS (Netherlands)

    Duarte Torres, Sergio; Weber, Ingmar; Hiemstra, Djoerd; Najork, M.

    2014-01-01

    The Internet is increasingly used by young children for all kinds of purposes. Nonetheless, there are not many resources especially designed for children on the Internet and most of the content online is designed for grown up users. This situation is problematic if we consider the large differences

  10. Internet Image Browse--图片下载浏览合二为一

    Institute of Scientific and Technical Information of China (English)

    陈洪强

    2003-01-01

    @@ Internet Image Browser是一个巧妙地把图片下载和图片浏览两个功能结合在一起的图片下载浏览软件,使用它我们既可以像Express WebPictures一样快速下载网络上的图片,也可以像Acdsee一样来浏览管理图片.

  11. HEALTH GeoJunction: place-time-concept browsing of health publications

    Directory of Open Access Journals (Sweden)

    Turton Ian J

    2010-05-01

    Full Text Available Abstract Background The volume of health science publications is escalating rapidly. Thus, keeping up with developments is becoming harder as is the task of finding important cross-domain connections. When geographic location is a relevant component of research reported in publications, these tasks are more difficult because standard search and indexing facilities have limited or no ability to identify geographic foci in documents. This paper introduces HEALTH GeoJunction, a web application that supports researchers in the task of quickly finding scientific publications that are relevant geographically and temporally as well as thematically. Results HEALTH GeoJunction is a geovisual analytics-enabled web application providing: (a web services using computational reasoning methods to extract place-time-concept information from bibliographic data for documents and (b visually-enabled place-time-concept query, filtering, and contextualizing tools that apply to both the documents and their extracted content. This paper focuses specifically on strategies for visually-enabled, iterative, facet-like, place-time-concept filtering that allows analysts to quickly drill down to scientific findings of interest in PubMed abstracts and to explore relations among abstracts and extracted concepts in place and time. The approach enables analysts to: find publications without knowing all relevant query parameters, recognize unanticipated geographic relations within and among documents in multiple health domains, identify the thematic emphasis of research targeting particular places, notice changes in concepts over time, and notice changes in places where concepts are emphasized. Conclusions PubMed is a database of over 19 million biomedical abstracts and citations maintained by the National Center for Biotechnology Information; achieving quick filtering is an important contribution due to the database size. Including geography in filters is important due to rapidly escalating attention to geographic factors in public health. The implementation of mechanisms for iterative place-time-concept filtering makes it possible to narrow searches efficiently and quickly from thousands of documents to a small subset that meet place-time-concept constraints. Support for a more-like-this query creates the potential to identify unexpected connections across diverse areas of research. Multi-view visualization methods support understanding of the place, time, and concept components of document collections and enable comparison of filtered query results to the full set of publications.

  12. Discovering Potential User Browsing Behaviors Using Custom-Built Apriori Algorithm

    Directory of Open Access Journals (Sweden)

    Sandeep Singh Rawat

    2010-09-01

    Full Text Available Most of the organizations put information on the web because they want it to be seen by the world. Theirgoal is to have visitors come to the site, feel comfortable and stay a while and try to know completelyabout the running organization. As educational system increasingly requires data mining, the opportunityarises to mine the resulting large amounts of student information for hidden useful information (patternslike rule, clustering, and classification, etc. The education domain offers ground for many interestingand challenging data mining applications like astronomy, chemistry, engineering, climate studies,geology, oceanography, ecology, physics, biology, health sciences and computer science.Collecting the interesting patterns using the required interestingness measures, which help us indiscovering the sophisticated patterns that are ultimately used for developing the site. We study theapplication of data mining to educational log data collected from Guru Nanak Institute of Technology,Ibrahimpatnam, India. We have proposed a custom-built apriori algorithm to find the effective patternanalysis. Finally, analyzing web logs for usage and access trends can not only provide importantinformation to web site developers and administrators, but also help in creating adaptive web sites.

  13. How happy is your web browsing? A probabilistic model to describe user satisfaction

    CERN Document Server

    Banerji, Anirban

    2009-01-01

    We all go through scores of web-pages everyday, in search of required information. At times we become satisfied with the content of some pages, at time we fail to. An objective framework that attempts to model the user satisfaction when he searches for some desired piece of information, is essential for Human-Computer-Interaction. In the present work, a simple probabilistic model is constructed to achieve precisely the same. This realistic yet strictly mathematical study proposes a marker, the 'satisfaction retentivity quotient', to model the complex realm of user psychology as he attempts to find required information and forgets some bits of it here and there, simultaneously.

  14. Do User (Browse and Click) Sessions Relate to Their Questions in a Domain-specific Collection?

    DEFF Research Database (Denmark)

    Steinhauer, Jeremy; Delcambre, Lois M.L.; Lykke, Marianne;

    2013-01-01

    We seek to improve information retrieval in a domain-specific col-lection by clustering user sessions as recorded in a click log and then classifying later user sessions in real-time. As a preliminary step, we explore, the main as-sumption of this approach: whether user sessions in such a site re...

  15. A multimedia analytics framework for browsing image collections in digital forensics

    NARCIS (Netherlands)

    M. Worring; A. Engl; C. Smeria

    2012-01-01

    Searching through large collections of images to find patterns of use or to find sets of relevant items is difficult, especially when the information to consider is not only the content of the images itself, but also the associated metadata. Multimedia analytics is a new approach to such problems. W

  16. Location-aware gang graffiti acquisition and browsing on a mobile device

    Science.gov (United States)

    Parra, Albert; Boutin, Mireille; Delp, Edward J.

    2012-02-01

    In this paper we describe a mobile-based system that allows first responders to identify and track gang graffiti by combining the use of image analysis and location-based-services. The gang graffiti image and metadata (geoposition, date and time) obtained automatically are transferred to a server and uploaded to a database of graffiti images. The database can then be queried with the matched results sent back to the mobile device where the user can then review the results and provide extra inputs to refine the information.

  17. Browsing the Real World using Organic Electronics, Si-Chips, and a Human Touch.

    Science.gov (United States)

    Berggren, Magnus; Simon, Daniel T; Nilsson, David; Dyreklev, Peter; Norberg, Petronella; Nordlinder, Staffan; Ersman, Peter Andersson; Gustafsson, Göran; Wikner, J Jacob; Hederén, Jan; Hentzell, Hans

    2016-03-09

    Organic electronics have been developed according to an orthodox doctrine advocating "all-printed'', "all-organic'' and "ultra-low-cost'' primarily targeting various e-paper applications. In order to harvest from the great opportunities afforded with organic electronics potentially operating as communication and sensor outposts within existing and future complex communication infrastructures, high-quality computing and communication protocols must be integrated with the organic electronics. Here, we debate and scrutinize the twinning of the signal-processing capability of traditional integrated silicon chips with organic electronics and sensors, and to use our body as a natural local network with our bare hand as the browser of the physical world. The resulting platform provides a body network, i.e., a personalized web, composed of e-label sensors, bioelectronics, and mobile devices that together make it possible to monitor and record both our ambience and health-status parameters, supported by the ubiquitous mobile network and the resources of the "cloud".

  18. Investigating the Effect of Implicit Browsing Behaviour on Students’ Performance in a Task Specific Context

    Directory of Open Access Journals (Sweden)

    Stephen Akuma

    2014-04-01

    Full Text Available This paper focuses on how students access web pages in a task specific information retrieval. An investigation on how students search the web for their current needs was carried out and students’ behavioural characteristics as they surf the internet to answer some given online multiple choice questions was collected. Twenty three students participated in the study and a number of behavioural characteristics were captured. Camtasia studio 7 was used to record their searching activity. The result shows that 328 web pages were visited by the students, and among the parameters captured, the time spent on the search task has a stronger correlation with the students’ performance than any other captured parameter. The time spent on a document can be used as a good implicit indicator to infer learner’s interest in a context based recommender system.

  19. TCP and web browsing performance in case of bi-directional packet loss

    NARCIS (Netherlands)

    Kooij, R.E.; Mei, R.D. van der; Yang, R.

    2010-01-01

    Performance modeling of the transport control protocol (TCP) has received a lot of attention over the past few years. The most commonly quoted results are approximate formulas for TCP throughput (Padhye et al. (2000) [1]) and document download times (Cardwell et al. (2000) [2]) which are used for di

  20. Among-habitat algal selectivity by browsing herbivores on an inshore coral reef

    Science.gov (United States)

    Loffler, Zoe; Bellwood, David R.; Hoey, Andrew S.

    2015-06-01

    Understanding how the impact of different herbivores varies spatially on coral reefs is important in qualifying the resistance of coral reefs to disturbance events and identifying the processes that structure algal communities. We used assays of six common macroalgae ( Acanthophora spicifera, Caulerpa taxifolia, Galaxaura rugosa, Laurencia sp. Sargassum sp., and Turbinaria ornata) and remote underwater video cameras to quantify herbivory in two habitats (reef crest and slope) across multiple sites on Orpheus Island, Great Barrier Reef. Rates of herbivory varied among macroalgal taxa, habitats, and sites. Reductions in algal biomass were greatest for Sargassum sp. (36 % 4 h-1), intermediate for A. spicifera, Laurencia sp., C. taxifolia, and T. ornata (17-33 % 4 h-1) and lowest for G. rugosa (6 % 4 h-1). Overall, rates of herbivory were generally greater on the reef crest (30 % 4 h-1) than the reef slope (21 % 4 h-1). This difference in rates of herbivory coincided with a marked shift in the dominant herbivores between habitats. Kyphosus vaigiensis, despite only feeding on three species of macroalgae ( Sargassum sp., T. ornata, and A. spicifera), was responsible for 34 % of all bites recorded on the reef crest yet did not take a single bite from algae on the reef slope. In contrast, Siganus doliatus took bites on every species of algae in both habitats, accounting for 40 % of bites on the reef crest and 74 % of all bites recorded on the reef slope. This difference in the number of macroalgal species targeted by herbivores and the habitat/s in which they feed adds another dimension of complexity to our understanding of coral reef herbivore dynamics.

  1. Histochemistry through the years, browsing a long-established journal: novelties in traditional subjects

    Directory of Open Access Journals (Sweden)

    C. Pellicciari

    2010-12-01

    Full Text Available Histochemical journals represent a traditional forum where methodological and technological improvements can be presented and validated in view of their applications to investigate not only cytology and histology in normal and diseased conditions but to test as well hypotheses on more basic issues for life sciences, such as comparative and evolutionary biology. The earliest scientific journals on histochemistry began their publication in the first half of the ‘50s of the last century, and their readership did not probably change over the years; rather, the authors’ interests may have progressively been changing as well as the main topics of their articles. This hypothesis is discussed, based on the subjects of the article published in the first and last ten years in the European Journal of Histochemistry, as an example of old journal which started publication in 1954, being since then the official organ of the Italian Society of Histochemistry. This survey confirmed that histochemistry has provided and still offers unique opportunities for studying the structure, chemical composition and function of cells and tissues in a wide variety of living organisms, especially when the topological distribution of specific molecular components has diagnostic or predictive significance, as it occurs in human and veterinary biology and pathology. Some subjects (e.g. histochemistry applied to muscle cells or to mineralized tissues have recently become rather popular, whereas a wider application of the histochemical approach may be envisaged for plant cells and tissues.

  2. A gesture-based tool for sterile browsing of radiology images.

    Science.gov (United States)

    Wachs, Juan P; Stern, Helman I; Edan, Yael; Gillam, Michael; Handler, Jon; Feied, Craig; Smith, Mark

    2008-01-01

    The use of doctor-computer interaction devices in the operation room (OR) requires new modalities that support medical imaging manipulation while allowing doctors' hands to remain sterile, supporting their focus of attention, and providing fast response times. This paper presents "Gestix," a vision-based hand gesture capture and recognition system that interprets in real-time the user's gestures for navigation and manipulation of images in an electronic medical record (EMR) database. Navigation and other gestures are translated to commands based on their temporal trajectories, through video capture. "Gestix" was tested during a brain biopsy procedure. In the in vivo experiment, this interface prevented the surgeon's focus shift and change of location while achieving a rapid intuitive reaction and easy interaction. Data from two usability tests provide insights and implications regarding human-computer interaction based on nonverbal conversational modalities.

  3. Chemical compound navigator: a web-based chem-BLAST, chemical taxonomy-based search engine for browsing compounds.

    Science.gov (United States)

    Prasanna, M D; Vondrasek, Jiri; Wlodawer, Alexander; Rodriguez, H; Bhat, T N

    2006-06-01

    A novel technique to annotate, query, and analyze chemical compounds has been developed and is illustrated by using the inhibitor data on HIV protease-inhibitor complexes. In this method, all chemical compounds are annotated in terms of standard chemical structural fragments. These standard fragments are defined by using criteria, such as chemical classification; structural, chemical, or functional groups; and commercial, scientific or common names or synonyms. These fragments are then organized into a data tree based on their chemical substructures. Search engines have been developed to use this data tree to enable query on inhibitors of HIV protease (http://xpdb.nist.gov/hivsdb/hivsdb.html). These search engines use a new novel technique, Chemical Block Layered Alignment of Substructure Technique (Chem-BLAST) to search on the fragments of an inhibitor to look for its chemical structural neighbors. This novel technique to annotate and query compounds lays the foundation for the use of the Semantic Web concept on chemical compounds to allow end users to group, sort, and search structural neighbors accurately and efficiently. During annotation, it enables the attachment of "meaning" (i.e., semantics) to data in a manner that far exceeds the current practice of associating "metadata" with data by creating a knowledge base (or ontology) associated with compounds. Intended users of the technique are the research community and pharmaceutical industry, for which it will provide a new tool to better identify novel chemical structural neighbors to aid drug discovery.

  4. http://www.goums.ac.ir/mljgoums/browse.php?a_id=342&slc_lang=en&sid=1&ftxt=1

    Directory of Open Access Journals (Sweden)

    Gharibi, Z. (MSc

    2014-05-01

    Full Text Available Background and Objective: Microsporidia is an obligatory intracellular parasite known as an opportunistic infection in immunocompromised patients. Its laboratory diagnosis is relatively difficult and modified trichrome staining is a standard diagnostic method for detection of Microsporidia. The aim of present study was to identify intestinal Microsporidia in kidney- transplanted patients, using modified Trichrome Staining and Calcofluor White Methods. Material and Methods: In 2012, 180 stool specimens were taken from kidney transplanted- patients given immunosuppressive drugs in Hamadan, Iran. To identify Microsporidia, we use modified Trichrome Staining and Calcofluor White Methods. Results: The mean duration of kidney transplant and immunosuppressive drug using was 5.5 Years. Only one female patient was positive for Microsporidia. Conclusions: Owing to low frequency of this opportunistic infection among kidney transplanted patients, we can conclude that their hygienic conditions are good enough and they are not exposed with the parasites. Keywords: Microsporidia; Modified Trichrome Staining; Kidney Transplant; Calcofluor White; Hamadan

  5. http://www.goums.ac.ir/mljgoums/browse.php?a_id=342&slc_lang=en&sid=1&ftxt=1

    OpenAIRE

    Gharibi, Z. (MSc); Daadras, F. (MD); Maghsood, A. (PhD); Fallah, M

    2014-01-01

    Background and Objective: Microsporidia is an obligatory intracellular parasite known as an opportunistic infection in immunocompromised patients. Its laboratory diagnosis is relatively difficult and modified trichrome staining is a standard diagnostic method for detection of Microsporidia. The aim of present study was to identify intestinal Microsporidia in kidney- transplanted patients, using modified Trichrome Staining and Calcofluor White Methods. Material and Methods: In 2012, 180 s...

  6. Evaluating distance-based clustering for user (browse and click) sessions in a domain-specific collection

    DEFF Research Database (Denmark)

    Steinhauer, Jeremy; Delcambre, Lois M.L.; Lykke, Marianne

    2014-01-01

    by question, was used as our gold standard for evaluating the clusters produced by the clustering algorithms. We found that the observed difference between the two classes of distance measures affected the quality of the clusterings, as expected. We also found that one of the two distance measures that worked......We seek to improve information retrieval in a domain-specific collection by clustering user sessions from a click log and then classifying later user sessions in real time. As a preliminary step, we explore the main assumption of this approach: whether user sessions in such a site are related...... to the question that they are answering. Since a large class of machine learning algorithms use a distance measure at the core, we evaluate the suitability of common machine learning distance measures to distinguish sessions of users searching for the answer to same or different questions. We found that two...

  7. The Entrez Browse Searching to the Gene Databases%基因库的Entrez浏览检索

    Institute of Scientific and Technical Information of China (English)

    胡德华; 方平

    1999-01-01

    基因库是美国国立卫生研究院(NIH)、美国国立医学图书馆(NLM)、美国国家生物技术信息中心(NCBI)等机构建立和发行的核酸序列数据库,是国际三大综合性核酸序列数据库之一.通过WWW.E-mail、FTP等方式获取其中的数据,本文着重介绍它的Entrez检索.

  8. Landscape of fear in Europe: wolves affect spatial patterns of ungulate browsing in Bialowieza Primeval Forest, Poland

    NARCIS (Netherlands)

    Kuijper, D.P.J.; Kleine, de C.; Churski, M.; Hooft, van W.F.; Bubnicki, J.; Jedrzejewska, B.

    2013-01-01

    Large carnivores can either directly influence ungulate populations or indirectly affect their behaviour. Knowledge from European systems, in contrast to North American systems, on how this might lead to cascading effects on lower trophic levels is virtually absent. We studied whether wolves Canis l

  9. The Effects of Moose (Alces alces) Browsing on Boreal Tree Species in Norway and Quebec

    OpenAIRE

    2015-01-01

    The circumpolar boreal forest is important for recreational purposes, timber harvesting, game meat and as a CO2-storage. Biodiversity is important for maintaining these ecosystem services. Many boreal forests are experiencing an increase in the cervid populations. Densities of moose Alces alces not seen before in modern history have been reported several places. Knowledge about the interactions between this selective browser and the regenerating forest is therefore of importance for both the ...

  10. 基于代理服务器的协作浏览%Collaborative Browsing Based on WWW Proxy Server

    Institute of Scientific and Technical Information of China (English)

    王实; 高文; 杜建平; 李锦涛

    2002-01-01

    When a user accesses Internet through WWW Proxy Server,he has some kinds of interest.The Proxy Server will record his basic access information in Log.Through minging the Log,we can get the interest and evaluation of the user to the Web site visited by him.His interest and evaluation to a Web site can be represented through his access time and frequency to the Web site.If a user has some kinds of interest to some Web site can be represented through his access time and frequency to the Web stie.If a user has some kinds of interest to some Web sites,the other Web sites that are accessed by some other users having the same interest can be recommended to him.The content of the Web sites dosn''''t be considered.This paper presents an approach to mine the Proxy Log,provides the evaluation about a user to a Web site,and emploies the neighborhood-based collaborative filtering approach to provide the recommendation.

  11. 网络用户浏览行为的分析%Internet Users’ Browsing Behaviors Analysis

    Institute of Scientific and Technical Information of China (English)

    张亮; 赵娜

    2016-01-01

    近年来, Web 使用挖掘成为数据挖掘领域中一个新的研究热点, Web 使用挖掘是从记录了大量网络用户行为信息的 Web 日志中发现用户访问行为特征和潜在规律。本文结合某高校主页的真实运行数据,通过 Web 使用挖掘对于网站的运行日志文件进行全面的挖掘分析,分析用户对信息内容的兴趣度,并通过用户对网页的访问数据推算出各个页面受众的兴趣度高低,借此改良网站的内容和布局。%In recent years, web usage mining has become a new hotspot in the field of data mining. From the web logs which record information of a large number of network user‟s behavior, web usage mining discovers the characteristics and potential user access law. This paper uses many real running dates of college homepage. Aiming at running log files, we carry out a comprehensive analysis by using the web mining. Analyzing the interest measure of user to the information content. By using the user access to the page, the system can calculate the user data level of interest on each page, and thereby improving the content and layout of the site.

  12. Matching Element Symbols with State Abbreviations: A Fun Activity for Browsing the Periodic Table of Chemical Elements

    Science.gov (United States)

    Woelk, Klaus

    2009-01-01

    A classroom activity is presented in which students are challenged to find matches between the United States two-letter postal abbreviations for states and chemical element symbols. The activity aims to lessen negative apprehensions students might have when the periodic table of the elements with its more than 100 combinations of letters is first…

  13. Connecting Analytics and Curriculum Design: Process and Outcomes of Building a Tool to Browse Data Relevant to Course Designers

    Science.gov (United States)

    Dunbar, Robert L.; Dingel, Molly J.; Prat-Resina, Xavier

    2014-01-01

    The disconnect between data collection and analysis across academic and administrative units within institutions of higher education makes it challenging to incorporate diverse data into curricular design. Understanding the factors related to student retention and success is unlikely to occur by focusing on only one unit at a time. By promoting…

  14. Condensed tannins reduce browsing and increase grazing time of free-ranging goats in semi-arid savannas

    NARCIS (Netherlands)

    Mkhize, N.R.; Heitkönig, I.M.A.; Scogings, P.F.; Dziba, L.E.; Prins, H.H.T.; Boer, de W.F.

    2015-01-01

    Tannin concentrations fluctuate spatially and temporally within and among plant species, with consequences for forage quality of herbivores. The extent to which these fluctuations influence foraging activities of goats is not fully understood. While accounting for the effects of the time of the day

  15. Downsizer - A Graphical User Interface-Based Application for Browsing, Acquiring, and Formatting Time-Series Data for Hydrologic Modeling

    Science.gov (United States)

    Ward-Garrison, Christian; Markstrom, Steven L.; Hay, Lauren E.

    2009-01-01

    The U.S. Geological Survey Downsizer is a computer application that selects, downloads, verifies, and formats station-based time-series data for environmental-resource models, particularly the Precipitation-Runoff Modeling System. Downsizer implements the client-server software architecture. The client presents a map-based, graphical user interface that is intuitive to modelers; the server provides streamflow and climate time-series data from over 40,000 measurement stations across the United States. This report is the Downsizer user's manual and provides (1) an overview of the software design, (2) installation instructions, (3) a description of the graphical user interface, (4) a description of selected output files, and (5) troubleshooting information.

  16. The Mobile Browsing Behaviors and Expectations of College-Bound High School Students. An E-Expectations Trend Report

    Science.gov (United States)

    Noel-Levitz, Inc, 2012

    2012-01-01

    The last decade marked a dramatic change in the college search experience as students flocked to the Internet as their primary tool for researching colleges. Institutions had to transform their recruitment efforts to keep up with the online demands and expectations of prospective students. The proliferation of smartphones is transforming the…

  17. Pubcast and Genecast: Browsing and explor-ing publications and associated curated con-tent in biology through mobile devices.

    Science.gov (United States)

    Goldweber, Scott; Theodore, Jamal; John Torcivia-Rodriguez, John; Simonyan, Vahan; Mazumder, Raja

    2016-03-23

    Services such as Facebook, Amazon, and eBay were once solely accessed from stationary computers. These web services are now being used increasingly on mobile devices. We acknowledge this new reality by providing users a way to access publications and a curated cancer mutation database on their mobile device with daily automated updates.

  18. Seasonal variation of macro and trace mineral contents in 14 browse species that grow in northeastern Mexico.

    Science.gov (United States)

    Ramirez, R G.; Haenlein, G F.W.; Núñez-González, M A.

    2001-02-01

    Leaves and twigs from shrub species consumed by range goats: Acacia berlandieri, Acacia farnesiana, Acacia greggii, Acacia rigidula, Celtis pallida, Cercidium macrum, Condalia obovata, Cordia boissieri, Desmanthus virgathus, Leucaena leucocephala, Leucophyllum texanum, Opuntia lindehimieri, Porlieria angustifolia, Prosopis glandulosa, and Ziziphus obtusifolia were evaluated for comparative seasonal contents of Ca, P, Mg K, Zn, Mn, Cu and Fe. Plants were collected in summer (September 12, 1992), fall (November 20, 1992), winter (February 20, 1993) and spring (May 22, 1993) in Marín, County, Nuevo Leon, Mexico. During spring and summer mineral concentrations were higher in general. Only Ca, Mg, K, and Fe were in substantial amounts in all seasons to meet adult goat requirements. With the exception of spring, shrubs had extremely low P concentrations. Manganese, Cu and Zn in most plants had low marginal levels to meet adult goat requirements. Moreover, potential intake of P, Mn, Cu and Zn in shrub species by goats weighing 50kg BW consuming 2.0kg per day DM was low. However, plants such as D. virgathus, L. texanum, P. glandulosa, L. leucocephala and C. macrum can be considered prominent components in diets of range goats because of their high mineral concentrations. It appears that ration formulations for range goats in northeastern Mexico should include P, Mn, Cu and Zn in all seasons of the year.

  19. Safe Application Of Off Line Browsing Of Internet Information In Intranet%离线浏览Internet信息在内联网中的安全应用

    Institute of Scientific and Technical Information of China (English)

    马爱军

    2003-01-01

    人民银行历来高度重视计算机安全工作,安全管理要求内联网必须与外网隔离,业务和办公所用计算机不能接入Intenet。那么如何实现Internet信息在内联网的安全高效转载?

  20. On Internet Users' Information Behavior in Searching and Browsing%因特网用户信息检索与浏览行为研究

    Institute of Scientific and Technical Information of China (English)

    邓小昭

    2003-01-01

    分别揭示了因特网用户信息检索、信息浏览行为的特点,比较了网上信息浏览与检索行为中的用户信息需求认知建构过程,并在此基础上提出了浏览/检索整合式的网上信息查寻模式.

  1. 开源OPAC软件VuFind及其分面浏览机制%Faceted Browsing Mechanism of VuFind - One OSS OPAC

    Institute of Scientific and Technical Information of China (English)

    李勇文

    2012-01-01

    Web2.0技术为OPAC带来了新的挑战,下一代集成在线目录既要适应新技术的变化,也要适应用户信息检索行为的变化;开源软件风起云涌,国外已经出现用户接受度高的众多开源OPAC软件,VuFind便是其中的典型代表之一.文章在分析分面浏览功能基础上,剖析了VuFind的分面浏览实现机制.

  2. Water and carbon stable isotope records from natural archives: a new database and interactive online platform for data browsing, visualizing and downloading

    Science.gov (United States)

    Bolliet, Timothé; Brockmann, Patrick; Masson-Delmotte, Valérie; Bassinot, Franck; Daux, Valérie; Genty, Dominique; Landais, Amaelle; Lavrieux, Marlène; Michel, Elisabeth; Ortega, Pablo; Risi, Camille; Roche, Didier M.; Vimeux, Françoise; Waelbroeck, Claire

    2016-08-01

    Past climate is an important benchmark to assess the ability of climate models to simulate key processes and feedbacks. Numerous proxy records exist for stable isotopes of water and/or carbon, which are also implemented inside the components of a growing number of Earth system model. Model-data comparisons can help to constrain the uncertainties associated with transfer functions. This motivates the need of producing a comprehensive compilation of different proxy sources. We have put together a global database of proxy records of oxygen (δ18O), hydrogen (δD) and carbon (δ13C) stable isotopes from different archives: ocean and lake sediments, corals, ice cores, speleothems and tree-ring cellulose. Source records were obtained from the georeferenced open access PANGAEA and NOAA libraries, complemented by additional data obtained from a literature survey. About 3000 source records were screened for chronological information and temporal resolution of proxy records. Altogether, this database consists of hundreds of dated δ18O, δ13C and δD records in a standardized simple text format, complemented with a metadata Excel catalog. A quality control flag was implemented to describe age markers and inform on chronological uncertainty. This compilation effort highlights the need to homogenize and structure the format of datasets and chronological information as well as enhance the distribution of published datasets that are currently highly fragmented and scattered. We also provide an online portal based on the records included in this database with an intuitive and interactive platform (http://climateproxiesfinder.ipsl.fr/), allowing one to easily select, visualize and download subsets of the homogeneously formatted records that constitute this database, following a choice of search criteria, and to upload new datasets. In the last part, we illustrate the type of application allowed by our database by comparing several key periods highly investigated by the paleoclimate community. For coherency with the Paleoclimate Modelling Intercomparison Project (PMIP), we focus on records spanning the past 200 years, the mid-Holocene (MH, 5.5-6.5 ka; calendar kiloyears before 1950), the Last Glacial Maximum (LGM, 19-23 ka), and those spanning the last interglacial period (LIG, 115-130 ka). Basic statistics have been applied to characterize anomalies between these different periods. Most changes from the MH to present day and from LIG to MH appear statistically insignificant. Significant global differences are reported from LGM to MH with regional discrepancies in signals from different archives and complex patterns.

  3. Will tree euphorbias (Euphorbia tetragona and Euphorbia triangularis) survive under the impact of black rhinoceros (Bicornis diceros minor) browsing in the Great Fish River Reserve, South Africa?

    NARCIS (Netherlands)

    Heilmann, L.C.; Jong, de K.; Lent, P.C.; Boer, de W.F.

    2006-01-01

    The impact of black rhinoceros (Bicornis diceros minor) on the tree euphorbias Euphorbia tetragona and Euphorbia triangularis was studied in the Great Fish River Reserve, South Africa. Black rhinoceros pushed over about 5¿7% of the trees in a 2-month period. There was a preference of rhinos for smal

  4. 浏览行为数据在Web用法挖掘中的应用%The Application of Browsing Action Data in Web Usage Mining

    Institute of Scientific and Technical Information of China (English)

    杨凡丁; 刘建平; 严奉华

    2008-01-01

    网站用户的浏览行为的不确定性导致从现有的Web日志文件挖掘出的事务模式来预测用户行为越来越困难.引入一种新的数据类型浏览行为数据(BAD)用于提高Web用法挖掘的质量,BAD是一种特殊的浏览数据,如"复制","滚动","另存为",并且没有被日志文件所记录,并给出了BAD的定义.为了象Web日志文件一样记录BAD,介绍并使用一种现有的在线数据收集模块来捕获用户BAD.通过一个电子商务程序的实例说明BAD能增加现有Web事务挖掘算法的有效性.

  5. A New Technology of Upload Files On Browse/Server%一种基于B/S模式的实现文件上传的技术

    Institute of Scientific and Technical Information of China (English)

    张建中; 张亚平; 苏智星; 袁小一

    2002-01-01

    @@ 1.PHP简介 PHP(Professional Hypertext Preprocessor)是一种服务器端HTML嵌入式脚本描述语言,目前正式发布的最高版本为4.04.服务器端脚本技术又分为嵌入式与非嵌入式两种,PHP是嵌入式的,类似的如ASP.它是一种功能非常强大的面向Internet/Intranet的编程语言,可以开发动态交互的Web应用程序,可在多种系统平台和多种Web服务器中使用,是真正的跨平台、跨服务器的开发语言.

  6. Anthelmintic activity of Pistacia lentiscus foliage in two Middle Eastern breeds of goats differing in their propensity to consume tannin-rich browse.

    Science.gov (United States)

    Landau, S; Azaizeh, H; Muklada, H; Glasser, T; Ungar, E D; Baram, H; Abbas, N; Markovics, A

    2010-10-29

    The Damascus and Mamber breeds of goats thrive in Middle Eastern Mediterranean regions where the tannin-rich (20% of polyethylene glycol-binding tannins) brush species Pistacia lentiscus L. (lentisk) is ubiquitous. In light of the increasing recognition of the anthelmintic activity of plant tannins, we examined the effect of offering lentisk foliage for 24 days on fecal egg excretion in 5.5-month-old Damascus and Mamber kid goats (n=28) following infection with 10,000 L3 larvae of mixed gastro-intestinal nematodes (GIN). Lentisk foliage was consumed with or without a daily supplement of 20 g polyethylene glycol (PEG; MW 4000). Lentisk tannins showed a strong protein-depletive effect that was totally reversed by the addition of PEG. At the peak of infection, kids of the two breeds lost weight unless they were fed with lentisk without PEG. Fecal egg counts (FEC) were lowest - and did not differ from 0 - in kids fed lentisk without PEG, highest in the controls fed hay as roughage, and intermediate in kids fed lentisk and PEG (241, 1293, and 705 eggs per gram, respectively, SEM 180; P<0.001); therefore, the anthelmintic activity of lentisk was only partly attributable to tannins. The suppressive effect of lentisk on FEC ceased when feeding was discontinued, suggesting that female parasites were not killed but their fertility was reversibly impaired. Damascus kids showed lower FEC than their Mamber counterparts, inferring that the effect of foraging on tannin-rich species is only additive to genetic differences between goat breeds in their sensitivity to GIN infection. On the basis of our results we would expect yearlong lentisk grazing to result in no or very low GIN infection, and Damascus goats to have some advantage over Mamber goats where chemical control of GIN is unfeasible. There appears to be a trade-off between the benefits of lentisk tannin as drug and its side-effects (protein depletion) when given at high level; how goats balance this trade-off requires further elucidation.

  7. Genetics Home Reference

    Science.gov (United States)

    ... changes Browse A–Z Chromosomes & mtDNA Autosomes, sex chromosomes, and mitochondrial DNA (mtDNA) Browse Help Me Understand Genetics Learn about the basics of human genetics Browse New & Updated Pages New Pages Omenn ...

  8. Creating DWG format documents directly and browsing it on web%DWG格式文件的直接生成及其网上浏览和打印

    Institute of Scientific and Technical Information of China (English)

    陈显冰; 陶学恒; 王德权; 刘大力

    2004-01-01

    DWG格式文件在工程设计中广泛应用.为了便于在脱离AutoCAD环境下直接访问DWG文件,并在网上浏览、打印,需要专用的软件系统.本文阐述了该软件的开发要点:用C++.NET编写具有托管扩展支持的Dll,对生成DWG格式的函数进行包装; 用C#编写的Web应用程序中调用此Dll,生成DWG格式的文件;并通过ActiveX控件在Web上对DWG文件进行在线浏览,也可以供本地客户下载进行浏览修改. 文章中以刀具文件为例,说明该软件的应用.

  9. 网页浏览任务的用户情感测量模型研究%Development of a Model to Measure Consumer Emotions Associated with Web Browsing

    Institute of Scientific and Technical Information of China (English)

    李森; 孙敏; 许娜; 刘凡涛

    2013-01-01

    采用实验与问卷调查相结合的研究方法探索了基于眼动技术的情感测量方法.首先采用问卷调查与专家访谈的形式设定了实验网站和实验任务;然后通过中文版PAD情感量表实验获得不同网站浏览任务下的被试情感状态,同时记录对应的眼动数据,将情感类别作为影响因素对记录的眼动数据进行单因素方差分析,选出与情感变化有关的眼动指标;最后,采用偏最小二乘回归方式建立眼动指标与情感值之间的关系模型.模型分析结果显示该情感预测模型能较好地预测浏览任务下被试情感状态,具有较好的适应性.%In this paper,experimental and survey research methods have been used to explore the emotion measurement methods based on eye tracking technology. At first, experimental websites and tasks are selected by the form of questionnaires and interviews with experts; Indeed, the emotional state of the subjects in the different websites and tasks is obtained with the PAD emotion scale of Chinese version. At the same time, the corresponding eye tracking data have been recorded; In the end, taking emotional categories as influencing factors, the single-factor analysis of variance of eye tracking data has been done, in order to select the eye tracking indicators which related to emotion and then using PLS to establish the model of eye tracking indicators and emotional values. The results showed that the emotional prediction model can play better prediction in the simple operational tasks with better adaptability.

  10. Key Frame Extraction on Quick Browsing Approaches to Academic Videos in Library%图书馆学术视频快速浏览技术中的关键帧提取

    Institute of Scientific and Technical Information of China (English)

    夏玉华; 孙建德; 亓靖涛

    2011-01-01

    为满足读者对学术视频的大量需求,根据学术视频自身的特点,提出基于镜头结合字幕检测的学术视频快速浏览技术中的关键帧提取算法,实现图书馆学术视频快速传播的目的。%In order to meet the great demand of readers on academic videos, a key frame extraction algorithm on the features of academic videos is proposed. Based on shot segmentation and caption detection, the academic video quick scan scheme is realized, which is helpful for the rapid spread of library academic videos.

  11. Amputee Coalition of America

    Science.gov (United States)

    ... for this free service Ask an Information Specialist Browse Resources by Topic , Browse Resources by Amputation Level Prosthetist Finder More Connect ... are testing ... Read More 2017 Amputee Coalition National Conference Call for Presentations The Amputee Coalition invites professionals ...

  12. Find a Massage Therapist

    Science.gov (United States)

    ... for Members Student Experience AMTA News Find a Massage Therapist » Browse by location » Browse by technique » Find ... massage therapy school Proprietary Information and Legal Notice Massage is Good Medicine A growing body of research ...

  13. Herbivores influence the growth, reproduction, and morphology of a widespread Arctic willow.

    Science.gov (United States)

    Christie, Katie S; Ruess, Roger W; Lindberg, Mark S; Mulder, Christa P

    2014-01-01

    Shrubs have expanded in Arctic ecosystems over the past century, resulting in significant changes to albedo, ecosystem function, and plant community composition. Willow and rock ptarmigan (Lagopus lagopus, L. muta) and moose (Alces alces) extensively browse Arctic shrubs, and may influence their architecture, growth, and reproduction. Furthermore, these herbivores may alter forage plants in such a way as to increase the quantity and accessibility of their own food source. We estimated the effect of winter browsing by ptarmigan and moose on an abundant, early-successional willow (Salix alaxensis) in northern Alaska by comparing browsed to unbrowsed branches. Ptarmigan browsed 82-89% of willows and removed 30-39% of buds, depending on study area and year. Moose browsed 17-44% of willows and browsed 39-55% of shoots. Browsing inhibited apical dominance and activated axillary and adventitious buds to produce new vegetative shoots. Ptarmigan- and moose-browsed willow branches produced twice the volume of shoot growth but significantly fewer catkins the following summer compared with unbrowsed willow branches. Shoots on browsed willows were larger and produced 40-60% more buds compared to unbrowsed shoots. This process of shoot production at basal parts of the branch is the mechanism by which willows develop a highly complex "broomed" architecture after several years of browsing. Broomed willows were shorter and more likely to be re-browsed by ptarmigan, but not moose. Ptarmigan likely benefit from the greater quantity and accessibility of buds on previously browsed willows and may increase the carrying capacity of their own habitat. Despite the observed tolerance of willows to browsing, their vertical growth and reproduction were strongly inhibited by moose and ptarmigan. Browsing by these herbivores therefore needs to be considered in future models of shrub expansion in the Arctic.

  14. Design and Application of Usual Course Score Management System (UCSMS)--Taking Score Input and Browse as Example%平时课程成绩管理系统的设计与应用--以《输入和浏览成绩》为例

    Institute of Scientific and Technical Information of China (English)

    朴相珍

    2014-01-01

    本文中,利用 Visual FoxPro 语言编写了平时课程成绩管理系统。通过本系统,可以有效地掌握课堂纪律、轻松地实现平时课堂提问、非常方便地录入平时作业成绩以及期中考试成绩等功能,而且为学生查阅自己平时成绩和了解他人平时成绩提供了一种有用的工具。该系统的建立,有助于增强平时课堂教学中教师与学生间的互动、课堂气氛的活跃、课堂纪律的强化和课堂教学效率的提高,而且有助于调动学生的学习积极性,并能够真实地和公正地反映学生的平时成绩。%Based on Visual FoxPro programming language, a Usual Course Score Management System (UCSMS) was designed. Using UCSMS, multiple functions such as controlling classroom discipline, implementing classroom questioning, typing in mid-term and regular grades conveniently could be realized, and every students could roundly look into his/her and other student’s regular grades. The utilization of UCSMS can make the class atmosphere exciting, strengthen the class discipline, stimulate students’ learning enthusiasm, and also effectively enhance interactions between teachers and students, improve the class efficiency, and particularly reflect the truthfulness and justice of regular grades.

  15. 应用随机应答模型和自填式问卷联合方法研究大学生主动浏览色情网站行为特征%Apply random Randomized Response Technique and Self-Administered Questionnaire to study the characteristics of college students active browsing the eroticism website behaviourals

    Institute of Scientific and Technical Information of China (English)

    董兆举

    2009-01-01

    青少年性道德观念正随着社会文化的变化发生着明显改变,这必然会影响到伦理、家庭,乃至人群中性传播疾病的流行趋势。但此类问题如果采用一般问卷调查会存在严重报告偏倚和选择偏倚,而网络调查或计算机辅助调查存在严重的选择偏倚和重复填写问题。研究结果在不同文献或调查之间差异很大。

  16. Design and Implement of Regulatory System of Agri-materials Credible Circulation Based on Browse/Server Architecture%基于B/S架构的农资可信流通监管系统的设计与实现

    Institute of Scientific and Technical Information of China (English)

    徐杰; 张俊; 谭华; 孙笑侃; 周正; 王开义; 杨宝祝

    2010-01-01

    以农资产品为研究对象,基于农资产品标识编码技术、LINQ to SQL的数据库编程和访问技术、GPRS的信息无线传输技术和角色控制的权限动态分配,构建基于B/S架构的多层次多用户多权限的农资可信流通监管系统,为农资企业、经销商和消费者搭建农资产品生产、流通、销售和使用的各环节信息交互平台,并以电话、网络和短信为公众提供信息查询、投诉和溯源服务.该系统具有较好的示范推广应用前景.

  17. Sexual segregation in foraging giraffe

    Science.gov (United States)

    Mramba, Rosemary Peter; Mahenya, Obeid; Siyaya, Annetjie; Mathisen, Karen Marie; Andreassen, Harry Peter; Skarpe, Christina

    2017-02-01

    Sexual segregation in giraffe is known to vary between savannas. In this study, we compared sexual segregation in giraffe in one nutrient-rich savanna, the Serengeti National Park, one nutrient-poor, Mikumi National Park, and one medium rich savanna, Arusha National Park, (from here on referred to just by name) based on effects of sexual size dimorphism and related hypotheses. Data were collected in the wet and dry seasons, by driving road transects and making visual observations of browsing giraffe. Additional data were collected from literature (plant chemistry; mammal communities). There was a noticeable difference in browsing by females and males and in browsing between the three savannas. Females browsed a higher diversity of tree species in Serengeti whereas males browsed a higher diversity in Arusha, while the diversity of species browsed in Mikumi was high and about the same in both sexes. Females selected for high concentrations of nitrogen and low concentrations of tannins and phenolics compared to males in Serengeti but selection in Mikumi was more complex. Males browsed higher in the canopy than females in all sites, but the browsing height was generally higher in Serengeti than Mikumi and Arusha. Season had an effect on the browsing height independent of sex in Mikumi, where giraffes browsed higher in the dry season compared to the wet season. Males spent more time browsing per tree compared to females in all three sites; however, browsing time in Mikumi was also affected by season, where giraffes had longer browsing bouts in the wet season compared to the dry season. We suggest that sexual differences in forage requirement and in foraging interacts with differences in tree chemistry and in competing herbivore communities between nutrient rich and nutrient poor savanna in shaping the sexual segregation.

  18. WheelchairNet

    Science.gov (United States)

    ... HUB Privacy Policy Get Involved Join Individual Volunteer Browse Opportunities Submit An Opportunity Donate Donations Participate Training Opportunities Conferences and Events Login Calendar Map Donate ISWP Hybrid- ...

  19. What Is Decompensated Cirrhosis?

    Science.gov (United States)

    ... Algorithms, Screens, Toolkits Provider Education Provider Education Home Conferences and Events Online Courses (CME) Journal Articles Browse by Topic Publications and Products Web Resources About ...

  20. Alcohol and Cirrhosis

    Science.gov (United States)

    ... Algorithms, Screens, Toolkits Provider Education Provider Education Home Conferences and Events Online Courses (CME) Journal Articles Browse by Topic Publications and Products Web Resources About ...

  1. Hepatitis C: Sex and Sexuality

    Science.gov (United States)

    ... Algorithms, Screens, Toolkits Provider Education Provider Education Home Conferences and Events Online Courses (CME) Journal Articles Browse by Topic Publications and Products Web Resources About ...

  2. Hepatitis C: Managing Pain

    Science.gov (United States)

    ... Algorithms, Screens, Toolkits Provider Education Provider Education Home Conferences and Events Online Courses (CME) Journal Articles Browse by Topic Publications and Products Web Resources About ...

  3. Viral Hepatitis

    Science.gov (United States)

    ... Algorithms, Screens, Toolkits Provider Education Provider Education Home Conferences and Events Online Courses (CME) Journal Articles Browse by Topic Publications and Products Web Resources About ...

  4. Hepatitis C: Treatment

    Science.gov (United States)

    ... Algorithms, Screens, Toolkits Provider Education Provider Education Home Conferences and Events Online Courses (CME) Journal Articles Browse by Topic Publications and Products Web Resources About ...

  5. Eating Tips for People with Cirrhosis

    Science.gov (United States)

    ... Algorithms, Screens, Toolkits Provider Education Provider Education Home Conferences and Events Online Courses (CME) Journal Articles Browse by Topic Publications and Products Web Resources About ...

  6. /facet: A browser for heterogeneous semantic web repositories

    NARCIS (Netherlands)

    Hildebrand, M.; Ossenbruggen, J.R. van; Hardman, L.

    2006-01-01

    Facet browsing has become popular as a user friendly interface to data repositories. We extend facet browsing of Semantic Web data in four ways. First, users are able to select and navigate through facets of resources of any type and to make selections based on properties of other, semantically rela

  7. 42 CFR 52b.14 - Other federal laws, regulations, executive orders, and policies that apply.

    Science.gov (United States)

    2010-10-01

    ...; not a toll-free number) or visit the following site on the World Wide Web (http://des.od.nih/gov...) and by browsing the NIH Home Page site on the World Wide Web (http://www.nih.gov).). (5) “Guide for...-free number). Information may also be obtained by browsing the NIH Home Page site on the World Wide...

  8. Task-Based Navigation of a Taxonomy Interface to a Digital Repository

    Science.gov (United States)

    Khoo, Christopher S. G.; Wang, Zhonghong; Chaudhry, Abdus Sattar

    2012-01-01

    Introduction: This is a study of hierarchical navigation; how users browse a taxonomy-based interface to an organizational repository to locate information resources. The study is part of a project to develop a taxonomy for an library and information science department to organize resources and support user browsing in a digital repository.…

  9. Videotrees: Improving video surrogate presentation using hierarchy

    NARCIS (Netherlands)

    Jansen, Michel; Heeren, Willemijn; Dijk, van Betsy

    2008-01-01

    As the amount of available video content increases, so does the need for better ways of browsing all this material. Because the nature of video makes it hard to process, the need arises for adequate surrogates for video that can readily be skimmed and browsed. In this paper, the effects of the use o

  10. Collaborative Video Search Combining Video Retrieval with Human-Based Visual Inspection

    NARCIS (Netherlands)

    Hudelist, M.A.; Cobârzan, C.; Beecks, C.; van de Werken, Rob; Kletz, S.; Hürst, W.O.; Schoeffmann, K.

    2016-01-01

    We propose a novel video browsing approach that aims at optimally integrating traditional, machine-based retrieval methods with an interface design optimized for human browsing performance. Advanced video retrieval and filtering (e.g., via color and motion signatures, and visual concepts) on a deskt

  11. Effects of Deer Settling Stimulus and Deer Density on Regeneration in a Harvested Southern New England Forest

    Directory of Open Access Journals (Sweden)

    Kevin J. Barrett

    2013-01-01

    Full Text Available Elevated deer densities have led to reports of forest regeneration failure and ecological damage. However, there is growing evidence that the biophysical conditions of a forest that make it attractive to deer may be a contributing factor in determining browsing levels. Thus, an understanding of settling stimulus—how attractive an area is to deer in terms of food-independent habitat requirements—is potentially important to manage deer browsing impacts. We tested the settling stimulus hypothesis by evaluating the degree to which thermal settling stimulus and deer density are related to spatial variation in browsing intensity across different forest harvesting strategies over the course of a year. We determined if deer were impacting plant communities and if they resulted in changes in plant cover. We quantified the thermal environment around each harvest and tested to see if it influenced deer density and browsing impact. We found that deer had an impact on the landscape but did not alter plant cover or diminish forest regeneration capacity. Deer density and browse impact had a relationship with thermal settling stimulus for summer and fall months, and deer density had a relationship with browse impact in the winter on woody plants. We conclude that thermal settling stimulus is an important predictor for deer density and browsing impact.

  12. Elephant impact on shoot distribution on trees and on rebrowsing by smaller browsers

    Science.gov (United States)

    Makhabu, Shimane W.; Skarpe, Christina; Hytteborn, Håkan

    2006-09-01

    In order to determine the effects of a megaherbivore, the African elephant ( Loxodonta africana) on browse available for mesoherbivores, we assessed the vertical distribution of shoots (< 6 mm in diameter) on trees with different accumulated elephant impact. We also determined the foraging responses by a mixed feeder, impala ( Aepyceros melampus) and a browser, greater kudu ( Tragelaphus strepsiceros) which are mesoherbivores. The foraging responses by impala and kudu were in terms of preferences of trees with different accumulated elephant impact levels and whether animals browsed in different height sections in proportion to availability of shoots. We counted shoots in each 20 cm height section up to 2.6 m on trees in 25 m by 25 m plots and on trees observed to be browsed by impala and kudu. In most tree species, individuals with high accumulated elephant impact were shorter and had more shoots at low levels than tree individuals with either low or no accumulated elephant impact. Impala and kudu preferred to browse tree individuals with accumulated elephant impact over those without such impact. Impala and kudu browsed more than expected at height sections with many shoots and less than expected at height sections with fewer shoots indicating a non-linear overmatching foraging response. We suggest that increased shoot abundance at low levels in the canopy might explain part of the observed preferences. Elephants, therefore, seem to facilitate browsing by mesoherbivores by generating 'browsing lawns'. Such benefits need to be considered when making decisions on how to manage populations of megaherbivores like elephant.

  13. Water tables constrain height recovery of willow on Yellowstone's northern range.

    Science.gov (United States)

    Bilyeu, Danielle M; Cooper, David J; Hobbs, N Thompson

    2008-01-01

    Excessive levels of herbivory may disturb ecosystems in ways that persist even when herbivory is moderated. These persistent changes may complicate efforts to restore ecosystems affected by herbivores. Willow (Salix spp.) communities within the northern range in Yellowstone National Park have been eliminated or degraded in many riparian areas by excessive elk (Cervus elaphus L.) browsing. Elk browsing of riparian willows appears to have diminished following the reintroduction of wolves (Canis lupis L.), but it remains uncertain whether reduced herbivory will restore willow communities. The direct effects of elk browsing on willows have been accompanied by indirect effects from the loss of beaver (Castor canadensis Kuhl) activity, including incision of stream channels, erosion of fine sediments, and lower water tables near streams historically dammed by beaver. In areas where these changes have occurred, lowered water tables may suppress willow height even in the absence of elk browsing. We conducted a factorial field experiment to understand willow responses to browsing and to height of water tables. After four years of protection from elk browsing, willows with ambient water tables averaged only 106 cm in height, with negligible height gain in two of three study species during the last year of the experiment. Willows that were protected from browsing and had artificially elevated water tables averaged 147 cm in height and gained 19 cm in the last year of the experiment. In browsed plots, elevated water tables doubled height gain during a period of slightly reduced browsing pressure. We conclude that water availability mediates the rate of willow height gain and may determine whether willows grow tall enough to escape the browse zone of elk and gain resistance to future elk browsing. Consequently, in areas where long-term beaver absence has resulted in incised stream channels and low water tables, a reduction in elk browsing alone may not be sufficient for recovery

  14. Statistical learning for predictive targeting in online advertising

    DEFF Research Database (Denmark)

    Fruergaard, Bjarne Ørum

    . We also present variations of Bayesian generative models for stochastic blockmodeling for inference of structure based on browsing patterns. Applying this structural information to improve click-through rate prediction becomes a two-step procedure; 1) learn user and URL profiles from browsing...... patterns, 2) use the profiles as additional features in a click-through rate prediction model. The assumption we implicitly make is reasonable: Users and URLs that are grouped together based on browsing patterns will have similar responses to ads, e.g., can be used as predictors of clicks. We report...

  15. Beckwith-Wiedemann syndrome

    Science.gov (United States)

    ... Wiedemann syndrome References Jones KL, Jones M, Del Campo M, eds. Smith's Recognizable Patterns of Human Malformation . ... Ogilvie, PhD, and the A.D.A.M. Editorial team. Related MedlinePlus Health Topics Growth Disorders Browse ...

  16. FDA Peanut-Containing Product Recall

    Data.gov (United States)

    U.S. Department of Health & Human Services — The FDA Peanut-Containing Product Recall widget allows you to browse the Food and Drug Administration (FDA) database of peanut butter and peanut-containing products...

  17. Refractive eye surgery - what to ask your doctor

    Science.gov (United States)

    ... Keratomileusis - what to ask your doctor; Laser vision correction - what to ask your doctor; PRK - what to ... team. Related MedlinePlus Health Topics Laser Eye Surgery Refractive Errors Browse the Encyclopedia A.D.A.M., Inc. ...

  18. Corneal transplant

    Science.gov (United States)

    ... lenses to achieve the best vision. Laser vision correction may be an option if you have nearsightedness, ... Editorial team. Related MedlinePlus Health Topics Corneal Disorders Refractive Errors Browse the Encyclopedia A.D.A.M., Inc. ...

  19. Astigmatism

    Science.gov (United States)

    ... requiring new glasses or contact lenses. Laser vision correction can most often eliminate, or greatly reduce astigmatism. ... A.M. Editorial team. Related MedlinePlus Health Topics Refractive Errors Browse the Encyclopedia A.D.A.M., Inc. ...

  20. Cropland Management Program Review Mark Twain National Wildlife Refuge

    Data.gov (United States)

    US Fish and Wildlife Service, Department of the Interior — The Mark Twain National Wildlife Refuge Cropland Management Plan focuses on the production of supplemental grain and browse foods to maintain wildlife populations at...

  1. 1984 Cropland Management Plan Squaw Creek National Wildlife Refuge

    Data.gov (United States)

    US Fish and Wildlife Service, Department of the Interior — The Squaw Creek National Wildlife Refuge Cropland Management Plan focuses on the production of supplemental grain and browse foods to maintain wildlife populations...

  2. MPS (Mucopolysaccharidoses) and Related Diseases

    Science.gov (United States)

    ... MPS Society Skip to Content Skip to Navigation Browse: Home MPS MPS MPS & Related Diseases Mucopolysaccharidoses (MPS) ... Valley Walk/Run New board members elected Annual Conference 2015 Annual Report Read More Events Mar 18 ...

  3. Internet Safety

    Science.gov (United States)

    ... lives. They browse the Web for information, use social networking sites, text, and chat. But there can also be ... Never send sexually explicit photographs or messages On social networking sites, use privacy controls and only friend people that ...

  4. Take Steps to Prevent Type 2 Diabetes

    Science.gov (United States)

    ... En español Take Steps to Prevent Type 2 Diabetes Browse Sections The Basics Overview Types of Diabetes ... 1 of 9 sections The Basics: Types of Diabetes What is diabetes? Diabetes is a disease. People ...

  5. Get Your Cholesterol Checked

    Science.gov (United States)

    ... Checked Print This Topic En español Get Your Cholesterol Checked Browse Sections The Basics Overview Cholesterol Test ... How often do I need to get my cholesterol checked? The general recommendation is to get your ...

  6. A Hotel's Helping Hand

    Institute of Scientific and Technical Information of China (English)

    Marc; Cherrier

    2006-01-01

    Relaxing in the lobby bar of Novotel peace Beijing, guests browse through reading materials on display. One item stands out,an eye-catching brochure promoting eco-tourism in Yanqing,a sub-urb of Beijing.

  7. Client-side Web Mining for Community Formation in Peer-to-Peer Environments

    Data.gov (United States)

    National Aeronautics and Space Administration — In this paper we present a framework for forming interests-based Peer-to-Peer communities using client-side web browsing history. At the heart of this framework is...

  8. Cropland Management Plan: Rice Lake National Wildlife Refuge

    Data.gov (United States)

    US Fish and Wildlife Service, Department of the Interior — The Rice Lake NWR Cropland Management Plan focuses on the production of supplemental grain and browse foods to maintain wildlife populations at approved objective...

  9. Crop and Grassland Management Plan : Mingo National Wildlife Refuge

    Data.gov (United States)

    US Fish and Wildlife Service, Department of the Interior — The Mingo NWR Crop and Grassland Management Plan focuses on the production of supplemental grain and browse foods to maintain wildlife populations. In addition,...

  10. Lower Hatchie National Wildlife Refuge Cropland Management Plan

    Data.gov (United States)

    US Fish and Wildlife Service, Department of the Interior — The Lower Hatchie National Wildlife Refuge Cropland Management Plan focuses on the production of supplemental grain and browse foods to maintain wildlife populations...

  11. Cropland Management Plan Hatchie National Wildlife Refuge

    Data.gov (United States)

    US Fish and Wildlife Service, Department of the Interior — The Hatchie NWR Cropland Management Plan focuses to the production of supplemental grain and browse foods to maintain wildlife populations at approved objective...

  12. Crop Management Plan: Sherburne National Wildlife Refuge

    Data.gov (United States)

    US Fish and Wildlife Service, Department of the Interior — The Sherburne NWR Cropland Management Plan focuses on the production of supplemental grain and browse foods to maintain wildlife populations at approved objective...

  13. Agassiz National Wildlife Refuge : Cropland Management Plan

    Data.gov (United States)

    US Fish and Wildlife Service, Department of the Interior — The Agassiz NWR Cropland Management Plan focuses on the production of supplemental grain and browse foods to maintain wildlife populations at approved objective...

  14. Cropland Management Plan: Necedah National Wildlife Refuge

    Data.gov (United States)

    US Fish and Wildlife Service, Department of the Interior — The Necedah NWR Cropland Management Plan focuses on the production of supplemental grain and browse foods to maintain wildlife populations at approved objective...

  15. Cropland Management Plan : Mark Twain National Wildlife Refuge : Brussels District

    Data.gov (United States)

    US Fish and Wildlife Service, Department of the Interior — The Mark Twain National Wildlife Refuge (Brussels District) Cropland Management Plan focuses to the production of supplemental grain and browse foods to maintain...

  16. Developmental milestones record - 9 months

    Science.gov (United States)

    ... to protect self from falling Is able to crawl Sits for long periods Pulls self to standing ... A.M. Editorial team. Related MedlinePlus Health Topics Infant and Newborn Development Browse the Encyclopedia A.D. ...

  17. Don't Take This with That!

    Medline Plus

    Full Text Available ... Continuing Education Inspections & Compliance Federal, State & Local Officials Consumers Health Professionals Science & Research Industry Scroll back to ... an Adverse Event MedWatch Safety Alerts News Releases Consumer Updates About FDA Contact FDA Browse by Product ...

  18. LASIK

    Medline Plus

    Full Text Available ... Continuing Education Inspections & Compliance Federal, State & Local Officials Consumers Health Professionals Science & Research Industry Scroll back to ... an Adverse Event MedWatch Safety Alerts News Releases Consumer Updates About FDA Contact FDA Browse by Product ...

  19. Talk to Your Kids about Sex

    Science.gov (United States)

    ... Topic En español Talk to Your Kids about Sex Browse Sections The Basics Overview Bodies and Puberty ... healthy expectations for their relationships. Talk about opposite-sex and same-sex relationships. When you talk about ...

  20. 75 FR 30055 - Notice of Availability of the Final Environmental Impact Statement for the Graymont Western U.S...

    Science.gov (United States)

    2010-05-28

    ... 22, 2006, to the BLM and the DEQ to expand its existing limestone quarry operation, which is located... reclamation at the site to provide for more diverse topography and soils that favor winter-browse species...

  1. American Association of Critical-Care Nurses

    Science.gov (United States)

    ... range of topics including regulatory issues, advanced practice, ethics, end-of-life care, legal issues and research. Browse Topics Volunteer Share your nursing expertise as a volunteer, which includes becoming an ...

  2. Cropland Management Plan : Pocosin Lakes National Wildlife Refuge

    Data.gov (United States)

    US Fish and Wildlife Service, Department of the Interior — The Pocosin Lakes National Wildlife Refuge Cropland Management Plan focuses on the production of supplemental grain and browse foods to maintain wildlife populations...

  3. Back Bay National Wildlife Refuge Croplands Management Plan

    Data.gov (United States)

    US Fish and Wildlife Service, Department of the Interior — The Back Bay National Wildlife Refuge Cropland Management Plan focuses on the production of supplemental grain and browse foods to maintain wildlife populations at...

  4. Cropland Management Plan

    Data.gov (United States)

    US Fish and Wildlife Service, Department of the Interior — The Union Slough National Wildlife Refuge Cropland Management Plan focuses on the production of supplemental grain and browse foods to maintain wildlife populations...

  5. Calcium pyrophosphate arthritis

    Science.gov (United States)

    ... are similar, CPPD arthritis can be confused with: Gouty arthritis (gout) Osteoarthritis Rheumatoid arthritis Exams and Tests Most arthritic ... A.M. Editorial team. Related MedlinePlus Health Topics Gout Browse the Encyclopedia A.D.A.M., Inc. ...

  6. Conquer Chiari

    Science.gov (United States)

    ... Browse Archives by Subject Symptoms Surgery Pain & Depression Theories Pediatric Topics Other Topics Personal Stories Special Topics ... C&S Patient Education Foundation Mission History & Accomplishments Team Financial Disclosure Forms (990's) Get Involved Contact Us Conquer ...

  7. Changing Climate Is Affecting Agriculture in the U.S.

    Medline Plus

    Full Text Available ... means all transmitted data is encrypted — in other words, any information or browsing history that you provide ... supply nutrients to crops, suppress weeds, improve soil water content, and break pest cycles. The following two ...

  8. Meredosia National Wildlife Refuge : Cropland Management Plan

    Data.gov (United States)

    US Fish and Wildlife Service, Department of the Interior — The Meredosia National Wildlife Refuge Cropland Management Plan focuses on the production of supplemental grain and browse foods to maintain wildlife populations at...

  9. Household Products Database: Pesticides

    Science.gov (United States)

    ... Glossary Contact Us More Resources Browse Pesticides Category Pesticides activator algaecide ants ants & roaches ants, roaches aphids ... snakes sow bugs spiders termites termites, carpenter ants/bees ticks tomatoes total vegetation control tree trees trees, ...

  10. Cropland Management Plan: Louisa National Wildlife Refuge

    Data.gov (United States)

    US Fish and Wildlife Service, Department of the Interior — The Louisa National Wildlife Refuge Cropland Management Plan focuses to the production of supplemental grain and browse foods to maintain wildlife populations at...

  11. Methods for estimating production and utilization of paper birch saplings

    Data.gov (United States)

    US Fish and Wildlife Service, Department of the Interior — Development of technique to estimate browse production and utilization. Developed a set of methods for estimating annual production and utilization of paper birch...

  12. Feeding profiles of tame moose

    Data.gov (United States)

    US Fish and Wildlife Service, Department of the Interior — This report is on the feeding profiles of tame moose. 3 moose were observed for 99 hours while in natural range, each bite plant species, browse conditions and size...

  13. Heel pain and Achilles tendonitis -- aftercare

    Science.gov (United States)

    ... walking or standing on your foot References Achilles Tendinitis. In: Safran MR, Zachazewski J, Stone DA, eds. ... Related MedlinePlus Health Topics Heel Injuries and Disorders Tendinitis Browse the Encyclopedia A.D.A.M., Inc. ...

  14. Medial epicondylitis - golfer's elbow

    Science.gov (United States)

    ... Saunders; 2009:chap 19. Schmidt MJ, Adams SL. Tendinopathy and bursitis. In: Marx JA, Hockberger RS, Walls ... Health Topics Elbow Injuries and Disorders Sports Injuries Tendinitis Browse the Encyclopedia A.D.A.M., Inc. ...

  15. Cropland Management Plan Dahomey National Wildlife Refuge

    Data.gov (United States)

    US Fish and Wildlife Service, Department of the Interior — The Dahomey NWR Cropland Management Plan focuses to the production of supplemental grain and browse foods to maintain wildlife populations at approved objective...

  16. Map of Arsenic concentrations in groundwater of the United States

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The map graphic image at http://water.usgs.gov/GIS/browse/arsenic_map.png illustrates arsenic values, in micrograms per liter, for groundwater samples from about...

  17. Strabismus: Botox Treatment

    Medline Plus

    Full Text Available ... Member Services Advocacy Foundation About Subspecialties & More Eye Health Home Annual Meeting Clinical Education Practice Management Member ... Center Redmond Ethics Center Global Ophthalmology Guide Eye Health Find an Ophthalmologist Academy Store Journals Education Browse ...

  18. Strabismus: Botox Treatment

    Medline Plus

    Full Text Available ... Center Choosing Wisely Clinical Statements Compendium Guidelines Complementary Therapy Assessments Eye Care for Older Adults Eye Disease ... Center / Browse Topics OCT 27, 2015 Strabismus: Botox Treatment Your browser doesn't support the HTML5 video ...

  19. Joint swelling

    Science.gov (United States)

    ... chap 275. Raftery AT, Lim E, Ostor AJK. Joint disorders. In: Raftery AT, Lim E, Ostor AJK, eds. ... A.M. Editorial team. Related MedlinePlus Health Topics Joint Disorders Browse the Encyclopedia A.D.A.M., Inc. ...

  20. Liposuction

    Science.gov (United States)

    ... the surgery. Description Liposuction is a type of cosmetic surgery. It removes unwanted excess fat to improve body ... Editorial team. Related MedlinePlus Health Topics Plastic and Cosmetic Surgery Browse the Encyclopedia A.D.A.M., Inc. ...

  1. Oculoplastic procedures

    Science.gov (United States)

    ... eyes or orbit (the bone around the eyeball) Cosmetic surgery, such as an eyelid lift or forehead lift ... Related MedlinePlus Health Topics Eyelid Disorders Plastic and Cosmetic Surgery Browse the Encyclopedia A.D.A.M., Inc. ...

  2. Parent material and fire as principle drivers of foliage quality in woody plants

    NARCIS (Netherlands)

    Ferwerda, J.G.; Siderius, W.; Wieren, van S.E.; Grant, C.C.; Peel, M.J.S.; Skidmore, A.K.; Prins, H.H.T.

    2006-01-01

    Identification of the factors that determine the variation in browse quality, as determined by their chemical composition, is an important step towards understanding herbivore distribution patterns. Therefore, the variation in leaf chemical composition (digestibility lowering compounds: condensed ta

  3. Strabismus: Botox Treatment

    Medline Plus

    Full Text Available ... Master Class Videos Submit an Image Videos Submit a Video News Browse All Current Insight Editors' Choice ... to User Comments Botulinum toxin, more commonly known as Botox, has been used to treat patients with ...

  4. Gambling, Sex, and…Parkinson's Disease?

    Science.gov (United States)

    ... spent, browse our financial information. Learn More Gambling, Sex, and…Parkinson's Disease? By Laura Marsh, M.D. ... and, in people with Parkinson's, most typically involve sex, gambling and abuse of anti-parkinsonian medications. Pathological ...

  5. Design of a lattice-based faceted classification system

    Science.gov (United States)

    Eichmann, David A.; Atkins, John

    1992-01-01

    We describe a software reuse architecture supporting component retrieval by facet classes. The facets are organized into a lattice of facet sets and facet n-tuples. The query mechanism supports precise retrieval and flexible browsing.

  6. Colored Contact Lens Dangers

    Medline Plus

    Full Text Available ... 000 per violation. "Many of the lenses found online or in beauty salons, novelty shops or in ... de contacto de color Find an Ophthalmologist Advanced Search Ask an Ophthalmologist Browse Answers Free Newsletter Get ...

  7. GIBS API for Developers

    Data.gov (United States)

    National Aeronautics and Space Administration — API using Global Imagery Browse Services (GIBS) designed to deliver global, full-resolution satellite imagery to users in a highly responsive manner, enabling...

  8. Talk with Your Doctor about Taking Aspirin Every Day

    Science.gov (United States)

    ... En español Talk with Your Doctor about Taking Aspirin Every Day Browse Sections The Basics Overview Benefits ... and Risks What are the benefits of taking aspirin daily? Aspirin can reduce your risk of heart ...

  9. Erythema multiforme

    Science.gov (United States)

    ... liver (hepatitis) Permanent skin damage and scarring Skin infection ( cellulitis ) When to Contact a Medical Professional Go to ... 2009:chap 52. Read More Allergic ... Conditions Skin Infections Browse the Encyclopedia A.D.A.M., Inc. ...

  10. Strabismus: Botox Treatment

    Medline Plus

    Full Text Available ... Consult Technicians and Nurses Guidelines Browse All About the Hoskins Center Choosing Wisely Clinical Statements Compendium Guidelines ... Strabismus: Botox Treatment Your browser doesn't support the HTML5 video tag. John D. Ferris, FRCOphth Squint ...

  11. FERMIGTRIG - Fermi GBM Trigger Catalog

    Data.gov (United States)

    National Aeronautics and Space Administration — This table lists all of the triggers observed by one or more of the 14 GBM detectors (12 NaI and 2 BGO). Note that there are two Browse catalogs resulting from GBM...

  12. GIFWalk

    Data.gov (United States)

    National Aeronautics and Space Administration — GIFWalk is an interface allowing the user to browse pre-generated data and orbit plots from missions including ACE, Cluster, Geotail, THEMIS, Polar, IMAGE, IMP 8,...

  13. ATMOWeb

    Data.gov (United States)

    National Aeronautics and Space Administration — ATMOWeb ( as the part of FTPBrowser interface) provides a graphical browsing,subsetting and retrieval capability for selected ionospheric and atmospheric data. Data...

  14. Emergency airway puncture

    Science.gov (United States)

    ... inserted into the throat, just below the Adam's apple (cricoid cartilage), into the airway. In a hospital, ... Choking Browse the Encyclopedia A.D.A.M., Inc. is accredited by URAC, also known as the ...

  15. Thyroid gland removal - discharge

    Science.gov (United States)

    ... soft foods such as pudding, Jello, mashed potatoes, apple sauce, and yogurt. Pain medicines can cause constipation . ... Diseases Browse the Encyclopedia A.D.A.M., Inc. is accredited by URAC, also known as the ...

  16. Metabolic syndrome

    Science.gov (United States)

    ... obesity ). This body type may be described as "apple-shaped." Insulin resistance. Insulin is a hormone produced ... Syndrome Browse the Encyclopedia A.D.A.M., Inc. is accredited by URAC, also known as the ...

  17. Diarrhea in infants

    Science.gov (United States)

    ... baby food that makes diarrhea worse, such as: Apple juice Milk Fried foods Full-strength fruit juice ... Diarrhea Browse the Encyclopedia A.D.A.M., Inc. is accredited by URAC, also known as the ...

  18. Herpetic stomatitis

    Science.gov (United States)

    ... drinks, such as water, milk shakes, or diluted apple juice. Dehydration can occur quickly in children, so ... Sores Browse the Encyclopedia A.D.A.M., Inc. is accredited by URAC, also known as the ...

  19. Morning sickness

    Science.gov (United States)

    ... and complex carbohydrates, such as peanut butter on apple slices or celery; nuts; cheese; crackers; milk; cottage ... Pregnancy Browse the Encyclopedia A.D.A.M., Inc. is accredited by URAC, also known as the ...

  20. Health risks of obesity

    Science.gov (United States)

    ... heart disease and type 2 diabetes. People with "apple-shaped" bodies (waist is bigger than the hips) ... Obesity Browse the Encyclopedia A.D.A.M., Inc. is accredited by URAC, also known as the ...

  1. 10 ways to cut 500 calories a day

    Science.gov (United States)

    ... fat cheese stick (180 calories) or a small apple and 12 almonds (160 calories). Choosing healthy snacks ... Diets Browse the Encyclopedia A.D.A.M., Inc. is accredited by URAC, also known as the ...

  2. Diet - clear liquid

    Science.gov (United States)

    ... juices without pulp, such as grape juice, filtered apple juice, and cranberry juice Soup broth (bouillon or ... Vomiting Browse the Encyclopedia A.D.A.M., Inc. is accredited by URAC, also known as the ...

  3. When your child has diarrhea

    Science.gov (United States)

    ... foods, pastries, donuts, and sausage. Avoid giving children apple juice and full-strength fruit juices, as they ... Diarrhea Browse the Encyclopedia A.D.A.M., Inc. is accredited by URAC, also known as the ...

  4. Amylase - urine

    Science.gov (United States)

    ... levels may be due to: Damage to the pancreas Kidney disease Pancreatic cancer Toxemia of pregnancy Images Female urinary ... Health Topics Intestinal Obstruction Kidney Tests Pancreatic Cancer Pancreatic Diseases Pancreatitis Browse the Encyclopedia A.D.A.M., ...

  5. Trypsinogen test

    Science.gov (United States)

    ... is broken) Considerations Other tests used to detect pancreas diseases may include: Serum amylase Serum lipase Alternative Names ... Related MedlinePlus Health Topics Cystic Fibrosis Pancreatic Cancer Pancreatic Diseases Browse the Encyclopedia A.D.A.M., Inc. ...

  6. What Is Decompensated Cirrhosis?

    Science.gov (United States)

    ... Education Home Conferences and Events Online Courses (CME) Journal Articles Browse by Topic Publications and Products Web Resources About Us More Health Care Veterans Health Administration Health Benefits Health Benefits Home Apply for VA Care Apply ...

  7. Liver Transplant: Complications/Medications

    Science.gov (United States)

    ... Education Home Conferences and Events Online Courses (CME) Journal Articles Browse by Topic Publications and Products Web Resources About Us More Health Care Veterans Health Administration Health Benefits Health Benefits Home Apply for VA Care Apply ...

  8. Alcohol and Cirrhosis

    Science.gov (United States)

    ... Education Home Conferences and Events Online Courses (CME) Journal Articles Browse by Topic Publications and Products Web Resources About Us More Health Care Veterans Health Administration Health Benefits Health Benefits Home Apply for VA Care Apply ...

  9. Enforcing Interoperability with the Open Archives Initiative Repository Explorer

    OpenAIRE

    2001-01-01

    This presentation gives an overview of the Open Archives Initiative (OAI), protocol validation procedures, interactive browsing, and the OAI repository explorer tool. Presented at the ACM/IEEE JCDL 2001 Conference

  10. Development of a Zoo Walk Navigation System using the Positional Measurement Technology and the Wireless Communication Technology

    OpenAIRE

    Tomoyuki Ishida; Yuki Shinotsuka; Misaki Iyobea; Noriki Uchida; Kaoru Sugita; Yoshitaka Shibata

    2016-01-01

    In this article, we propose and evaluate a Zoo Walk Navigation System consistings of the Animal Contents Registering and Editing Web Management System and the Animal Contents Browsing and Acquiring Smartphone Application. The Animal Contents Registering and Editing Web Management System for zoo staff enables to register/edit various animal contents. Thereby, this web management system provides real-time and flesh zoo information to the Animal Contents Browsing and Acquiring Smartphone Applica...

  11. Conference Proceedings. Defense Modeling and Simulation Office Information/Data Base (I/DB) Task Group Meetings Held February 14-18, 1994, and Notes from the Previous Two I/DB Meetings

    Science.gov (United States)

    1994-01-01

    IUGUM _ _ _ - I i MEATŕý IN Develo SIUKId Usim PIb Pmm1 N-i= , Svw xbuain mWW Shch leDebbae In agred mtumku kwum PmitSEW~.s aNW=TDB WS~w &fn thpt pf Pof...browse, North America, Europe and Northern Asia, South American and Africa , and Southern Asia and Australia) on 4 CD-ROMs (each with own browse

  12. A Large-Scale Study of Online Shopping Behavior

    OpenAIRE

    Nalchigar, Soroosh; Weber, Ingmar

    2012-01-01

    The continuous growth of electronic commerce has stimulated great interest in studying online consumer behavior. Given the significant growth in online shopping, better understanding of customers allows better marketing strategies to be designed. While studies of online shopping attitude are widespread in the literature, studies of browsing habits differences in relation to online shopping are scarce. This research performs a large scale study of the relationship between Internet browsing hab...

  13. A qualitative study of the impact of electronic journals on scholarly information behavior

    OpenAIRE

    Ollé, Candela; Borrego, Àngel

    2010-01-01

    A qualitative study of the impact of electronic journals on the information behavior of academics at Catalan universities shows that academics now read more, and more widely. However, their reading is becoming more superficial; they are compelled to improve their discrimination skills in order to decide what to read in more depth. The electronic accessibility of journals means that academics now make fewer library visits. Web browsing and TOC e-mail alerts are replacing physical browsing, and...

  14. Research and Applicationof Multilayer Truss Based on AJAX

    Institute of Scientific and Technical Information of China (English)

    李继蕊; 杨凯

    2009-01-01

    Based on trait ofJ2EE multilayer frame system, analyzing Drawbacks of Interactive synchronization used by browse and server in Web application and Data-persistent-process in E-Business development, put forward the solve project of E-Business system grounding on synthesis application of Ajax. Struts. Hibernate and Spring, and realize Asynchronous interaction of browse and server and problem of Ob-ject/Relation Mapping of RDBS.

  15. Sexual and Asexual Reproduction of Salix sitchensis and the Influence of Beaver (Castor canadensis) Herbivory on Reproductive Success

    OpenAIRE

    Travis G. Gerwing; Alyssa M. Allen Gerwing; Rapaport, Eric; Alström-Rapaport, Cecilia

    2012-01-01

    The influence of beaver (Castor canadensis Kuhl) herbivory on Salix reproduction, specifically the stimulation of asexual reproduction via browsed stem fragments, is relatively unknown. This study aimed to determine if beaver herbivory stimulates asexual reproduction of riparian willows and results in mature populations dominated by clones. The survival of seedlings and asexual propagules produced by beaver browse in populations of the riparian willow Salix sitchensis (Sanson in Bongard) were...

  16. AmiGO: online access to ontology and annotation data

    Energy Technology Data Exchange (ETDEWEB)

    Carbon, Seth; Ireland, Amelia; Mungall, Christopher J.; Shu, ShengQiang; Marshall, Brad; Lewis, Suzanna

    2009-01-15

    AmiGO is a web application that allows users to query, browse, and visualize ontologies and related gene product annotation (association) data. AmiGO can be used online at the Gene Ontology (GO) website to access the data provided by the GO Consortium; it can also be downloaded and installed to browse local ontologies and annotations. AmiGO is free open source software developed and maintained by the GO Consortium.

  17. Intrusion Detection on Smartphones

    OpenAIRE

    Halilovic, Muhamed; Subasi, Abdulhamit

    2012-01-01

    Smartphone technology is more and more becoming the predominant communication tool for people across the world. People use their smartphones to keep their contact data, to browse the internet, to exchange messages, to keep notes, carry their personal files and documents, etc. Users while browsing are also capable of shopping online, thus provoking a need to type their credit card numbers and security codes. As the smartphones are becoming widespread so do the security threats and vulnerabilit...

  18. Connecting Land-Based Networks to Ships

    Science.gov (United States)

    2013-06-01

    intranet browsing or video conferencing . To accomplish this, most ships use satellite communications, which is an expensive and slow method. When a...communicate and exchange information with a shore network for services such as file transfer, database access, e-mail, web/intranet browsing or video ... conferencing . To accomplish this, most ships use satellite communications, which is an expensive and slow method. When a ship is near shore, it can use

  19. Effects of placement point of background music on shopping website.

    Science.gov (United States)

    Lai, Chien-Jung; Chiang, Chia-Chi

    2012-01-01

    Consumer on-line behaviors are more important than ever due to highly growth of on-line shopping. The purposes of this study were to design placement methods of background music for shopping website and examine the effect on browsers' emotional and cognitive response. Three placement points of background music during the browsing, i.e. 2 min., 4 min., and 6 min. from the start of browsing were considered for entry points. Both browsing without music (no music) and browsing with constant music volume (full music) were treated as control groups. Participants' emotional state, approach-avoidance behavior intention, and action to adjust music volume were collected. Results showed that participants had a higher level of pleasure, arousal and approach behavior intention for the three placement points than for no music and full music. Most of the participants for full music (5/6) adjusted the background music. Only 16.7% (3/18) participants for other levels turn off the background music. The results indicate that playing background music after the start of browsing is benefit for on-line shopping atmosphere. It is inappropriate to place background music at the start of browsing shopping website. The marketer must manipulated placement methods of background music for a web store carefully.

  20. Simulation, realization and test of veto systems for the NA62 experiment

    CERN Document Server

    Palladino, Vito

    Search Simple Search Advanced Search Latest Additions Browse Browse by Author Browse by Subject Browse by Year Browse by Type Browse by Full text availability Info Policy About FAQ Contact us Palladino, Vito (2010) Simulation, realization and test of veto systems for the NA62 experiment. [Tesi di dottorato] (Unpublished) [img] PDF palladino_vito_23.pdf Download (55MB) | Preview Item Type: Tesi di dottorato Language: English Title: Simulation, realization and test of veto systems for the NA62 experiment Creators: Creators\tEmail Palladino, Vito\tvitopalladino@gmail.com Date: 30 November 2010 Number of Pages: 146 Institution: Università degli Studi di Napoli Federico II Department: Scienze fisiche Doctoral School: Scienze fisiche PHD name: Fisica fondamentale ed applicata PHD cycle: 23 PHD Coordinator: name\temail Marrucci, Lorenzo\tUNSPECIFIED Tutor: name\temail Ambrosino, Fabio\tUNSPECIFIED Date: 30 November 2010 Number of Pages: 146 Uncontrolled Keywords: Kaon NA62 Veto CHANTI LAV MIUR S.S.D...

  1. Aspen height, stem-girth and survivorship in an area of high ungulate use

    Science.gov (United States)

    Keigley, R.B.; Frisina, M.R.

    2008-01-01

    An increase in ungulate population size potentially exposes aspen suckers, saplings, and trees to increased use. This study examined how stem height and girth influenced the selection of stems by ungulates for browsing, rubbing, and gnawing, and reconstructed the history of ungulate use for the study area. Transects were run through each of three aspen clones growing in southwestern Montana to determine height, circumference, and the surface area from which bark was totally and partially removed by rubbing and gnawing. Stems 20-250 cm tall were browsed. Stems 2-13 cm diameter were preferentially selected for rubbing and gnawing. The area of totally removed bark on dead saplings was twice the area of removed bark on live stems of similar diameter, suggesting that bark removal played a major role in the death of some stems. Based on an analysis of stem height and age, ungulate browsing was inferred to have increased from a light-to-moderate level to an intense level in 1991. The depth of scars was used to date scarring events. An increase in rubbing and gnawing was determined to have occurred about 1985. We concluded that elk were primarily responsible for the observed impacts. The combined effect of rubbing, gnawing, and browsing affects a broader span of ages compared to the effect of browsing alone. If prescribed fire is used to rejuvenate aspen stands, the resulting young stems should be protected from heavy browsing, rubbing and gnawing until they reach about 13 cm diameter and have grown out of the browse zone.

  2. Impact of wild ungulates on coppices from the Bisenzio Valley (province of Prato, Italy

    Directory of Open Access Journals (Sweden)

    Bianchi L

    2014-06-01

    Full Text Available Similar to other Apennine areas, a considerable increase of wild ungulate density has been observed in the past decades in the Bisenzio valley (province of Prato, leading to a strong impact on coppice regeneration. In some felling areas, the prolonged browsing on young suckers turned the stumps into low and dense bushes, thus threatening the survival of the forest stand and triggering a loss of environmental stability. The aim of this work was to study the impact of deer on sprout regeneration after cutting in mixed coppices felled in the period 2007-2010 and characterized by the dominance of chestnut, hornbeam, Turkey oak, and beech. Some 36 plots were established in four municipal districts of the Prato province (Cantagallo, Vernio, Montemurlo, Vaiano. Damage and browsing intensity on each stump were evaluated using an index that allowed the comparison among different areas and fores stand types. Regardless of the species, over 90% of the sprouts revealed a very strong damage, whereas only 6% did not exhibit any damage. A significant difference in the sprout height was detected between browsed and non-browsed areas. Despite a high incidence of damage in all the studied areas, chestnut showed a greater resilience against browsing. In summary, overgrazing by wild game may determine severe contraints to the evolutionary dynamics of forest stands, frustrating the effects of silvicultural practices. The possible benefits of the implementation of a large-scale integrated wildlife plan, including hunting and forest-evironmental management are discussed.

  3. Ungulate herbivory on alpine willow in the Sangre de Cristo Mountains of Colorado

    Science.gov (United States)

    Zeigenfuss, L.C.; Schoenecker, K.A.; Amburg, L.K.V.

    2011-01-01

    In many areas of the Rocky Mountains, elk (Cervus elaphus) migrate from low-elevation mountain valleys during spring to high-elevation subalpine and alpine areas for the summer. Research has focused on the impacts of elk herbivory on winter-range plant communities, particularly on woody species such as willow and aspen; however, little information is available on the effects of elk herbivory on alpine willows. In the Sangre de Cristo Mountains of south central Colorado, select alpine areas appear to receive high levels of summer elk herbivory, while other areas are nearly unbrowsed. In 2005 and 2008, we measured willow height, cover, and utilization on sites that appeared to be used heavily by elk, as well as on sites that appeared to be used lightly, to determine differences between these communities over time. We found less willow cover and shorter willows at sites that received higher levels of browsing compared to those that had lower levels of browsing. Human recreational use was greater at lightly browsed sites than at highly browsed sites. From 2005 to 2008, willow utilization declined, and willow cover and height increased at sites with heavy browsing, likely owing to ownership change of adjacent valley land which led to (1) removal of grazing competition from, cattle at valley locations and (2) increased human use in alpine areas, which displaced elk. We discuss the implications of increased human use and climate change on elk use of these alpine habitats. ?? 2011.

  4. Nutritional Value of Seaweed to Ruminants

    Directory of Open Access Journals (Sweden)

    Roger D. Applegate

    1995-12-01

    Full Text Available We compared the nutritional quality (apparent digestible dry matter (ADDM, crude protein, total phenolics, gross energy, of 3 seaweed species (Alaria esculenta, Ascophyllum nodosum, Fucus vesiculosis to that of 3 woody browse species{Acer rubrum, Thuja occidentalis, Abies balsamea, lichen (Usnea spp., and winter rye (Secale cereals for ruminants. The ADDM's of the 3 seaweeds (63-80% DM were 11-167% DM higher and crude protein contents (12.1-14.6% DM were 68-186% DM higher than the 3 browse species. Seaweeds had lower total phenolics (5.5-10.3% DM and gross energy (12-15 KJ/g DM, and moderate digestible energy (DE contents (9-10 KJ/g DM compared to the browse species. The 3 browse species had ADDM's of 30-57% DM, crude protein contents of 5.1-7.2% DM, total phenolic concentrations of 11.6-16.4% DM, and DE contents of 6-12 KJ/g DM. Winter rye and lichen had the lowest total phenolic concentrations (1.3 and 1.9% DM of forages examined, and had lower ADDM's (35 and 40% DM, DE contents (6-7 KJ/g DM, and crude protein (7.8 and 5.7% DM than seaweeds. The relatively high DE and protein contents of seaweed may explain high deer densities of Maine coastal islands where browse availability and use appears to be low.

  5. Predation risk, elk, and aspen: tests of a behaviorally mediated trophic cascade in the Greater Yellowstone Ecosystem.

    Science.gov (United States)

    Winnie, John A

    2012-12-01

    Aspen in the Greater Yellowstone Ecosystem are hypothesized to be recovering from decades of heavy browsing by elk due to a behaviorally mediated trophic cascade (BMTC). Several authors have suggested that wolves interact with certain terrain features, creating places of high predation risk at fine spatial scales, and that elk avoid these places, which creates refugia for plants. This hypothesized BMTC could release aspen from elk browsing pressure, leading to a patchy recovery in places of high risk. I tested whether four specific, hypothesized fine-scale risk factors are correlated with changes in current elk browsing pressure on aspen, or with aspen recruitment since wolf reintroduction, in the Daly Creek drainage in Yellowstone National Park, and near two aspen enclosures outside of the park boundary. Aspen were not responding to hypothesized fine-scale risk factors in ways consistent with the current BMTC hypothesis.

  6. Swedish in Finland: Pushed Back in the Cyberspace?

    Directory of Open Access Journals (Sweden)

    László Vincze

    2012-12-01

    Full Text Available This article provides an insight into the dynamics of language use among Swedish-speaking Finns regarding two specific aspects of internet use: browsing and blogging. The data was collected from persons with Swedish as their registered mother tongue in 2009. The results indicate a preference for using either Finnish or English when browsing and a preference for Swedish when blogging. Examining the background of these results, we found that people's linguistic environment played an important role in shaping their language competence and language identity, which, in turn, guided their language choice when using the internet. While browsing in Swedish and Finnish was directly affected by language competence, language identity and the composition of linguistic environment, blogging in Swedish and Finnish was only directly affected by language identity.

  7. Evaluating The Markov Assumption For Web Usage Mining

    DEFF Research Database (Denmark)

    Jespersen, S.; Pedersen, Torben Bach; Thorhauge, J.

    2003-01-01

    Web usage mining concerns the discovery of common browsing patterns, i.e., pages requested in sequence, from web logs. To cope with the enormous amounts of data, several aggregated structures based on statistical models of web surfing have appeared, e.g., the Hypertext Probabilistic Grammar (HPG...... knowledge there has been no systematic study of the validity of the Markov assumption wrt.\\ web usage mining and the resulting quality of the mined browsing patterns. In this paper we systematically investigate the quality of browsing patterns mined from structures based on the Markov assumption. Formal...... measures of quality, based on the closeness of the mined patterns to the true traversal patterns, are defined and an extensive experimental evaluation is performed, based on two substantial real-world data sets. The results indicate that a large number of rules must be considered to achieve high quality...

  8. Recovering aspen follow changing elk dynamics in Yellowstone: evidence of a trophic cascade?

    Science.gov (United States)

    Painter, Luke E; Beschta, Robert L; Larsen, Eric J; Ripple, William J

    2015-01-01

    To investigate the extent and causes of recent quaking aspen (Populus tremuloides) recruitment in northern Yellowstone National Park, we measured browsing intensity and height of young aspen in 87 randomly selected aspen stands in 2012, and compared our results to similar data collected in 1997-1998. We also examined the relationship between aspen recovery and the distribution of Rocky Mountain elk (Cervus elaphus) and bison (Bison bison) on the Yellowstone northern ungulate winter range, using ungulate fecal pile densities and annual elk count data. In 1998, 90% of young aspen were browsed and none were taller-than 200 cm, the height at which aspen begin to escape from elk browsing. In 2012, only 37% in the east and 63% in the west portions of the winter range were browsed, and 65% of stands in the east had young aspen taller than 200 cm. Heights of young aspen were inversely related to browsing intensity, with the least browsing and greatest heights in the eastern portion of the range, corresponding with recent changes in elk density and distribution. In contrast with historical elk distribution (1930s-1990s), the greatest densities of elk recently (2006-2012) have been north of the park boundary (approximately 5 elk/km2), and in the western part of the range (2-4 elk/km2), with relatively few elk in the eastern portion of the range (aspen stands have begun to recover. Increased predation pressure following the reintroduction of gray wolves (Canis lupius) in 1995-1996 played a role in these changing elk population dynamics, interacting with other influences including increased predation by bears (Ursus spp.), competition with an expanding bison population, and shifting patterns of human land use and hunting outside the park. The resulting new aspen recruitment is evidence of a landscape-scale trophic cascade in which a resurgent large carnivore community, combined with other ecological changes, has benefited aspen through effects on ungulate prey.

  9. WebDASC: a web-based dietary assessment software for 8-11-year-old Danish children

    DEFF Research Database (Denmark)

    Biltoft-Jensen, Anja Pia; Trolle, Ellen; Christensen, Tue

    digital images. WebDASC includes internal checks for frequently forgotten foods, and the following features to create motivation: a food-meter displaying cumulative weight of foods reported, a most popular food ranking, and a computer game with a high score list. Conclusions:  WebDASC was developed...... food items is available either through category browse or free text search, aided by a spell check application. A type-in format is available for foods not otherwise found through category browse or text search. Amount consumed is estimated by selecting the closest portion size among four different...

  10. Kindle Fire The book that should have been in the box

    CERN Document Server

    Meyers, Peter

    2012-01-01

    Enter a bright new world of entertainment with Amazon's red hot tablet. This guide lights the way with lots of illustrations and step-by-step instructions for browsing the Web, emailing, playing games, and viewing books, movies, and magazines in blazing color. Learn how to manage your media library on the Fire and in the cloud-and where to find the coolest apps. Everything you need is right here. The important stuff you need to know: Read all about it. Find, load, and read a variety of ebooks, magazines, and newspapers.Go online. Browse the Web and manage email with a secure Wi-Fi connection

  11. Elevated Rocky Mountain elk numbers prevent positive effects of fire on quaking aspen (Populus tremuloides) recruitment

    Science.gov (United States)

    Smith, David Solance; Fettig, Stephen M.; Bowker, Matthew A.

    2016-01-01

    Quaking aspen (Populus tremuloides) is the most widespread tree species in North America and has supported a unique ecosystem for tens of thousands of years, yet is currently threatened by dramatic loss and possible local extinctions. While multiple factors such as climate change and fire suppression are thought to contribute to aspen’s decline, increased browsing by elk (Cervus elaphus), which have experienced dramatic population increases in the last ∼80 years, may severely inhibit aspen growth and regeneration. Fires are known to favor aspen recovery, but in the last several decades the spatial scale and intensity of wildfires has greatly increased, with poorly understood ramifications for aspen growth. Here, focusing on the 2000 Cerro Grande fire in central New Mexico – one of the earliest fires described as a “mega-fire” - we use three methods to examine the impact of elk browsing on aspen regeneration after a mega-fire. First, we use an exclosure experiment to show that aspen growing in the absence of elk were 3× taller than trees growing in the presence of elk. Further, aspen that were both protected from elk and experienced burning were 8.5× taller than unburned trees growing in the presence of elk, suggesting that the combination of release from herbivores and stimulation from fire creates the largest aspen growth rates. Second, using surveys at the landscape level, we found a correlation between elk browsing intensity and aspen height, such that where elk browsing was highest, aspen were shortest. This relationship between elk browsing intensity and aspen height was stronger in burned (r = −0.53) compared to unburned (r = −0.24) areas. Third, in conjunction with the landscape-level surveys, we identified possible natural refugia, microsites containing downed logs, shrubs etc. that may inhibit elk browsing by physically blocking aspen from elk or by impeding elk’s ability to move through the forest patch. We did not find any

  12. The importance of theories of knowledge

    DEFF Research Database (Denmark)

    Hjørland, Birger

    2011-01-01

    The study on information science (IS) by Bates (2007) is an important contribution to the literature on browsing in IS. It is explicitly based on “behavioural science.” I use this article as the point of departure for demonstrating how more social and interpretative understandings may provide...... formulated as a discussion based on a specific paper, it should be seen as part of a general discussion of the philosophical foundation of IS and as support for the emerging social paradigm in this field. The article argues that human browsing should not be conceptualized primarily in biological terms...

  13. The nutritive value of veld as indicated by faecal phosphorous and nitrogen and its relation to the condition and movement of prominent ruminants during the 1992-1993 drought in the Kruger National Park

    Directory of Open Access Journals (Sweden)

    C.C. Grant

    1995-09-01

    Full Text Available Faecal N and P were used as primary indicators of nutritive quality of the veld in relation to migratory movements of major grazers, browsers and selective feeders. Faecal concentrations of these nutrients were shown to be different between species, land- scapes, grass, browse and grass plus browse, between seasons and between soil types, i.e. granite vs. basalt. Faecal N concentrations w/ere well correlated with the condition of the animals, and because nutritive quality of the southern Combretum veld on granite was apparently better than other areas in 1992-1993, also with influx of buffalo, blue wildebeest and kudu into these areas.

  14. ChemXSeer Digital Library Gaussian Search

    CERN Document Server

    Lahiri, Shibamouli; Nangia, Shikha; Mitra, Prasenjit; Giles, C Lee; Mueller, Karl T

    2011-01-01

    We report on the Gaussian file search system designed as part of the ChemXSeer digital library. Gaussian files are produced by the Gaussian software [4], a software package used for calculating molecular electronic structure and properties. The output files are semi-structured, allowing relatively easy access to the Gaussian attributes and metadata. Our system is currently capable of searching Gaussian documents using a boolean combination of atoms (chemical elements) and attributes. We have also implemented a faceted browsing feature on three important Gaussian attribute types - Basis Set, Job Type and Method Used. The faceted browsing feature enables a user to view and process a smaller, filtered subset of documents.

  15. 76 FR 15313 - Chitika, Inc.; Analysis of Proposed Consent Order To Aid Public Comment

    Science.gov (United States)

    2011-03-21

    ... their individual Web browsing activity. Chitika offers an online behavioral advertising service in which... Chitika, Inc.; Analysis of Proposed Consent Order To Aid Public Comment AGENCY: Federal Trade Commission.... The attached Analysis to Aid Public Comment describes both the allegations in the draft complaint...

  16. Visualizing spikes in source-space

    DEFF Research Database (Denmark)

    Beniczky, Sándor; Duez, Lene; Scherg, Michael;

    2015-01-01

    OBJECTIVE: Reviewing magnetoencephalography (MEG) recordings is time-consuming: signals from the 306 MEG-sensors are typically reviewed divided into six arrays of 51 sensors each, thus browsing each recording six times in order to evaluate all signals. A novel method of reconstructing the MEG sig...

  17. Designing an Adaptive Web-Based Learning System Based on Students' Cognitive Styles Identified Online

    Science.gov (United States)

    Lo, Jia-Jiunn; Chan, Ya-Chen; Yeh, Shiou-Wen

    2012-01-01

    This study developed an adaptive web-based learning system focusing on students' cognitive styles. The system is composed of a student model and an adaptation model. It collected students' browsing behaviors to update the student model for unobtrusively identifying student cognitive styles through a multi-layer feed-forward neural network (MLFF).…

  18. Web-Based Learning Programs: Use by Learners with Various Cognitive Styles

    Science.gov (United States)

    Chen, Ling-Hsiu

    2010-01-01

    To consider how Web-based learning program is utilized by learners with different cognitive styles, this study presents a Web-based learning system (WBLS) and analyzes learners' browsing data recorded in the log file to identify how learners' cognitive styles and learning behavior are related. In order to develop an adapted WBLS, this study also…

  19. The AXES-lite video search engine

    NARCIS (Netherlands)

    Chen, Shu; McGuinness, Kevin; Aly, Robin; Jong, de Franciska; O'Connor, Noel E.

    2012-01-01

    The aim of AXES is to develop tools that provide various types of users with new engaging ways to interact with audiovisual libraries, helping them discover, browse, navigate, search, and enrich archives. This paper describes the initial (lite) version of the AXES search engine, which is targeted at

  20. Webspace query formulation: an overview

    NARCIS (Netherlands)

    Zwol, van Roelof; Apers, Peter M.G.

    2001-01-01

    To nd information on theWorld-WideWeb (WWW), two approaches are generally followed. Browsing the web from a specific starting point, or web-site map, is called search by divergence. The second approach, search by convergence, is followed when using a search engine. Most search engines use a informat

  1. Digitising Context: The Case Of The Radio Times

    NARCIS (Netherlands)

    O’Dwyer, Andy

    2012-01-01

    abstractThe BBC is placing online their complete TV and radio schedule information going back to the formation of the BBC in 1922. For the very first time, the public, students and academics will be available to browse through detailed information on the BBC's broadcasting history. This has been mad

  2. 75 FR 10997 - Cuban Assets Control Regulations; Sudanese Sanctions Regulations; Iranian Transactions Regulations

    Science.gov (United States)

    2010-03-10

    ... the sanctions on Sudan and Iran do not have an unintended chilling effect on the ability of companies... as instant messaging, chat and e-mail, social networking, sharing of photos and movies, web browsing... other things, increasing the flow of information to the Cuban people. Consistent with that...

  3. Evaluating the Quality of Experience of a System for Accessing Educational Objects in Health

    Science.gov (United States)

    Wanderley, Miguel; Menezes, Júlio, Jr.; Gusmão, Cristine; Lins, Rodrigo

    2016-01-01

    In the area of primary health care, there is a high demand in Brazil of permanent education and qualification of professionals who work in this field. Besides, nowadays it is a consensus that education can be benefited by the use of mobile devices, especially due to the possibilities of browsing, use and of easy access to different resources. In…

  4. Archives, Documents, and Hidden History: A Course to Teach Undergraduates the Thrill of Historical Discovery Real and Virtual

    Science.gov (United States)

    Roff, Sandra

    2007-01-01

    Treasures await students and researchers on the shelves of libraries and archives across the country, but unfortunately they often remain unknown to the "modern" researcher who limits his/her research to using the Internet. The process of physically going to the library stacks and browsing the shelves in a subject area is on the decline…

  5. Becoming Artifacts Medieval Seals, Passports and the Future of Digital Identity

    Science.gov (United States)

    Chango, Mawaki

    2012-01-01

    What does a digital identity token have to do with medieval seals? Is the history of passports of any use for enabling the discovery of Internet users' identity when crossing virtual domain boundaries during their digital browsing and transactions? The agility of the Internet architecture and its simplicity of use have been the engines of its…

  6. Multi-Point Videoconferencing as Collaborative Co-Productions (Part II).

    Science.gov (United States)

    Dolhon, James P.

    1999-01-01

    Describes methods and protocols needed for effective classroom interaction in the videoconference instructional environment. Discusses establishing hard-copy materials protocol; acquainting students with the electronic environment; working from consistent staging areas; and utilizing voice-activation microphone, split-screen, and browse protocols.…

  7. Grass-Roots Cataloging and Classification: Food for Thought from World Wide Web Subject-Oriented Hierarchical Lists.

    Science.gov (United States)

    Dodd, David G.

    1996-01-01

    Examines the structure and principles of various hierarchical guides, or hotlists, which attempt to give subject access to World Wide Web resources on the Internet. The lists are compared to classification schemes and to Library of Congress subject headings, and browsing and search engines are compared. (Author/LRW)

  8. 76 FR 81561 - Connect America Fund; A National Broadband Plan for Our Future; Establishing Just and Reasonable...

    Science.gov (United States)

    2011-12-28

    ... email and web browsing. The evidence shows that streaming standard definition video in near real-time... Americans Live, Work, or Travel. The third performance goal is to ensure the universal availability of modern networks capable of delivering mobile broadband and voice service in areas where Americans...

  9. Drowning in PC Management: Could a Linux Solution Save Us?

    Science.gov (United States)

    Peters, Kathleen A.

    2004-01-01

    Short on funding and IT staff, a Western Canada library struggled to provide adequate public computing resources. Staff turned to a Linux-based solution that supports up to 10 users from a single computer, and blends Web browsing and productivity applications with session management, Internet filtering, and user authentication. In this article,…

  10. Formal concept analysis in knowledge discovery: A survey

    NARCIS (Netherlands)

    Poelmans, J.; Elzinga, P.; Viaene, S.; Dedene, G.

    2010-01-01

    In this paper, we analyze the literature on Formal Concept Analysis (FCA) using FCA. We collected 702 papers published between 2003-2009 mentioning Formal Concept Analysis in the abstract. We developed a knowledge browsing environment to support our literature analysis process. The pdf-files contain

  11. Declines in moose population density at Isle Royle National Park, MI, USA and accompanied changes in landscape patterns

    Science.gov (United States)

    De Jager, N. R.; Pastor, J.

    2009-01-01

    Ungulate herbivores create patterns of forage availability, plant species composition, and soil fertility as they range across large landscapes and consume large quantities of plant material. Over time, herbivore populations fluctuate, producing great potential for spatio-temporal landscape dynamics. In this study, we extend the spatial and temporal extent of a long-term investigation of the relationship of landscape patterns to moose foraging behavior at Isle Royale National Park, MI. We examined how patterns of browse availability and consumption, plant basal area, and soil fertility changed during a recent decline in the moose population. We used geostatistics to examine changes in the nature of spatial patterns in two valleys over 18 years and across short-range and long-range distance scales. Landscape patterns of available and consumed browse changed from either repeated patches or randomly distributed patches in 1988-1992 to random point distributions by 2007 after a recent record high peak followed by a rapid decline in the moose population. Patterns of available and consumed browse became decoupled during the moose population low, which is in contrast to coupled patterns during the earlier high moose population. Distributions of plant basal area and soil nitrogen availability also switched from repeated patches to randomly distributed patches in one valley and to random point distributions in the other valley. Rapid declines in moose population density may release vegetation and soil fertility from browsing pressure and in turn create random landscape patterns. ?? Springer Science+Business Media B.V. 2009.

  12. 77 FR 46561 - Amendments to Adjudicatory Process Rules and Related Requirements

    Science.gov (United States)

    2012-08-03

    ....gov:8080/wba/ ) also allows the public to browse documents by release date and to perform simple and... professors or the Sedona Conference, to develop a more efficient and effective process for disclosing... after the issuance of a prehearing conference order following the initial prehearing...

  13. /facet: A Browser for Heterogeneous Semantic Web Repositories

    NARCIS (Netherlands)

    Hildebrand, M.; Ossenbruggen, J.R. van; Hardman, L.

    2006-01-01

    Facet browsing has become popular as a user friendly interface to data repositories. The Semantic Web raises new challenges due to the heterogeneous character of the data. First, users should be able to select and navigate through facets of resources of any type and to make selections based on prope

  14. Web Browser Trends and Technologies.

    Science.gov (United States)

    Goodwin-Jones, Bob

    2000-01-01

    Discusses Web browsers and how their capabilities have been expanded, support for Web browsing on different devices (cell phones, palmtop computers, TV sets), and browser support for the next-generation Web authoring language, XML ("extensible markup language"). (Author/VWL)

  15. CoBrowser: Surfing the Web Using a Standard Browser.

    Science.gov (United States)

    Maly, K.; Zubair, M.; Li, L.

    Co-browsing is a synchronous class of collaborative applications, which allows a group of users to surf the Web together. Such an application can be deployed in an education environment in several ways. One example of where it can be used would be in courses that are project-oriented. Students would be required to collectively research or explore…

  16. Recent ATLAS Articles on WLAP

    CERN Multimedia

    J. Herr

    As reported in the September 2004 ATLAS eNews, the Web Lecture Archive Project is a system for the archiving and publishing of multimedia presentations, using the Web as medium. We list here newly available WLAP items relating to ATLAS: Atlas Physics Workshop 6-11 June 2005 June 2005 ATLAS Week Plenary Session Click here to browse WLAP for all ATLAS lectures.

  17. Sunn hemp with chicory or pearl millet to minimize gastrointestinal nematode infection in weaned goats

    Science.gov (United States)

    Predominantly grass forage systems are typically used throughout the southeastern U.S., but are inadequate for nutritional needs of growing goats, and encourage problems with gastrointestinal nematodes (GIN). Browse predominant forages would be preferable, but are not always available. Selection o...

  18. 31 CFR 538.533 - Exportation of certain services and software incident to Internet-based communications.

    Science.gov (United States)

    2010-07-01

    ... exportation from the United States or by U.S. persons, wherever located, to persons in Sudan of services... email, social networking, sharing of photos and movies, web browsing, and blogging, provided that such services are publicly available at no cost to the user. (2) The exportation from the United States or by...

  19. 31 CFR 560.540 - Exportation of certain services and software incident to Internet-based communications.

    Science.gov (United States)

    2010-07-01

    ... exportation from the United States or by U.S. persons, wherever located, to persons in Iran of services... email, social networking, sharing of photos and movies, web browsing, and blogging, provided that such services are publicly available at no cost to the user. (2) The exportation from the United States or by...

  20. Mobile Devices in the Classroom

    Science.gov (United States)

    Schachter, Ron

    2009-01-01

    As cell phones--with ever-expanding possibilities of texting, Web browsing, and game playing--have multiplied in recent years among teenagers and even preteens, so have the concerns of teachers and administrators about the distractions these devices can cause. A survey of students and parents earlier this year by the group Common Sense Media found…

  1. 78 FR 4100 - Connect America Fund

    Science.gov (United States)

    2013-01-18

    ... entities that provide other services such as email, online gaming, web browsing, video conferencing... and/or lease for the transmission of voice, data, text, sound, and video using wired... voice, data, text, sound, and video using wired telecommunications networks. Transmission facilities...

  2. Two Expeditions to Capture Fort Duquesne: A Study in Understanding the Operational Environment and Attendant Failure (1755) and Success (1758)

    Science.gov (United States)

    2013-03-27

    O’Meara. With these titles as the basis for information and research, I next used the journal database JSTOR to browse the large amount of scholarly...journals for research on either Braddock’s or Forbes’s expedition. JSTOR introduced me to the works of Stanley Pargellis, Niles Anderson, Paul

  3. 77 FR 23674 - Proposed Information Collection Requests: Measures and Methods for the National Reporting System...

    Science.gov (United States)

    2012-04-20

    ... Proposed Information Collection Requests: Measures and Methods for the National Reporting System for Adult... that go into effect on July 1, 2012, for the follow-up measures related to student employment status... information collection request may be accessed from http://edicsweb.ed.gov , by selecting the ``Browse...

  4. An Exploratory Study of School-Age Children's Use of a Heterogeneous Resource Site

    Science.gov (United States)

    Holmes, Jason; Robins, David; Zhang, Yin; Salaba, Athena

    2008-01-01

    In this study, students' use of a new educational Web portal was evaluated with particular emphasis on searching and browsing strategies. The effects and implications of a federated search system are also discussed. Fifty-four students, ranging from 5th to 12th grade, were given five tasks to complete using the SchoolRooms interface. The tasks…

  5. GPCRDB

    DEFF Research Database (Denmark)

    Ísberg, Vignir; Vroling, Bas; van der Kant, Rob

    2014-01-01

    significantly improved, thanks to a recent flurry of GPCR X-ray structure data. Tools were introduced to browse X-ray structures, compare binding sites, profile similar receptors and generate amino acid conservation statistics. Snake plots and helix box diagrams can now be custom coloured (e.g. by chemical...

  6. Computer games and prosocial behaviour.

    Science.gov (United States)

    Mengel, Friederike

    2014-01-01

    We relate different self-reported measures of computer use to individuals' propensity to cooperate in the Prisoner's dilemma. The average cooperation rate is positively related to the self-reported amount participants spend playing computer games. None of the other computer time use variables (including time spent on social media, browsing internet, working etc.) are significantly related to cooperation rates.

  7. Advanced Password Tips and Tricks

    Science.gov (United States)

    ... 31, 2015 | reply I will quit browsing over internet. Its many years gone no real benefit I got from those years. I will be a mad person if I continue more year. I already lost many years and many earning money I already lost from 2004 to 2015, and I think I will be lost more year and money ...

  8. User Evaluation Survey of Digital Reference Services: Methodology and Results.

    Science.gov (United States)

    Butler, John T.; Armson, Rossana; Caron, Anne Hoffman; Stemper, James A.

    This paper reports on an evaluation of InfoPoint, a centrally-managed, professionally staffed reference service available at the University of Minnesota, Twin Cities Campus Library through a variety of communication modes, including a World Wide Web form, direct e-mail, and chat and collaborative browsing. Over 400 InfoPoint users were sent a…

  9. Gastrointestinal parasites in an isolated Norwegian population of wild red deer (Cervus elaphus)

    Science.gov (United States)

    Thirteen red deer, culled from the isolated population at the Mongstad Oil Refinery, were investigated for gastrointestinal helminths. These animals, enclosed by the refinery fence, do not have contact with other ruminants and have a high population density considering the available browsing area (1...

  10. The Organization of Multimedia Information in Electronic Map

    Institute of Scientific and Technical Information of China (English)

    2002-01-01

    On the basis of an electronic map-based hypermedia data model (EMBHDM),this paper makes a study on the technologies of nonlinear storage,organization,management and browsing of information as well as organization of data on the basis of the relationship between multimedia information of electronic maps.

  11. Best Entry Points for Structured Document Retrieval - Part I: Characteristics

    DEFF Research Database (Denmark)

    Reid, Jane; Lalmas, Mounia; Finesilver, Karen

    2006-01-01

    Structured document retrieval makes use of document components as the basis of the retrieval process, rather than complete documents. The inherent relationships between these components make it vital to support users' natural browsing behaviour in order to offer effective and efficient access...

  12. Best Entry Points for Structured Document Retrieval - Part II: Types, Usage and Effectiveness

    DEFF Research Database (Denmark)

    Reid, Jane; Lalmas, Mounia; Finesilver, Karen

    2006-01-01

    Structured document retrieval makes use of document components as the basis of the retrieval process, rather than complete documents. The inherent relationships between these components make it vital to support users' natural browsing behaviour in order to offer effective and efficient access...... and effectiveness in real information search tasks....

  13. 30 CFR 715.20 - Revegetation.

    Science.gov (United States)

    2010-07-01

    ... postmining land use, which have been graded shall be seeded with a temporary cover of small grains, grasses... use of the land. Annual grains such as oats, rye and wheat may be used instead of mulch when it is... land use, the species of grasses, legumes, browse, trees, or forbes for seeding or planting and...

  14. GlamMap : Visualizing library metadata

    NARCIS (Netherlands)

    Betti, Arianna; Gerrits, Dirk; Speckmann, Bettina; van den Berg, Hein

    2014-01-01

    Libraries provide access to large amounts of library metadata. Unfortunately, many libraries only offer textual interfaces for searching and browsing their holdings. Visualisations provide simpler, faster, and more efficient ways to navigate, search and study large quantities of metadata. This paper

  15. Hypersensitivity pneumonitis

    Science.gov (United States)

    ... often is not reversible. Eventually, end-stage lung disease and respiratory failure can occur. When to Contact a Medical ... Related MedlinePlus Health Topics Fungal Infections Interstitial Lung Diseases Molds Occupational Health Browse the Encyclopedia A.D.A.M., ...

  16. Student Motivation in Computer Networking Courses

    Science.gov (United States)

    Hsin, Wen-Jung

    2007-01-01

    This paper introduces several hands-on projects that have been used to motivate students in learning various computer networking concepts. These projects are shown to be very useful and applicable to the learners' daily tasks and activities such as emailing, Web browsing, and online shopping and banking, and lead to an unexpected byproduct,…

  17. E-Books in the Early Literacy Environment: Is There Added Value for Vocabulary Development?

    Science.gov (United States)

    Roskos, Kathleen A.; Sullivan, Shannon; Simpson, Danielle; Zuzolo, Nicole

    2016-01-01

    Using a theory of affordances, this study examines the introduction of e-books into the early literacy environment as resources that can increase children's opportunity for learning vocabulary. Added value was observed under conditions of (1) book browsing, (2) instruction, and (3) a print-only condition. A total of 33 4-year-olds (18 boys, 15…

  18. The Influence of Different Pictorial Representations during Idea Generation

    Science.gov (United States)

    Cardoso, Carlos; Badke-Schaub, Petra

    2011-01-01

    During creative problem-solving, designers frequently come across a variety of rich visual displays. While browsing for different sources of information, pictorial representations of existing concepts take prominence. However, once designers start generating new solution ideas to design problems, they often become too attached to some of the…

  19. Balancing thread based navigation for targeted video search

    NARCIS (Netherlands)

    de Rooij, O.; Snoek, C.G.M.; Worring, M.

    2008-01-01

    Various query methods for video search exist. Because of the semantic gap each method has its limitations. We argue that for effective retrieval query methods need to be combined at retrieval time. However, switching query methods often involves a change in query and browsing interface, which puts a

  20. MediaMill: Fast and effective video search using the ForkBrowser

    NARCIS (Netherlands)

    de Rooij, O.; Snoek, C.G.M.; Worring, M.

    2008-01-01

    In this technical demonstration we showcase the MediaMill ForkBrowser for video retrieval. It embeds multiple query methods into a single browsing environment. We show that users can switch query methods on demand without the need to adapt to a different interface. This allows for fast and effective

  1. Investigating the News Seeking Behavior of Young Adults

    Science.gov (United States)

    Qayyum, M. Asim; Williamson, Kirsty; Liu, Ying-Hsang; Hider, Philip

    2010-01-01

    This study investigated the news-seeking and browsing behaviours of young adults, partly in the context of everyday life information seeking (ELIS), in order to explore their perceptions of and attitudes towards print and online news media. The study is significant because traditional print newspapers face a steady decline in their readership with…

  2. Bayesian Inference Networks and Spreading Activation in Hypertext Systems.

    Science.gov (United States)

    Savoy, Jacques

    1992-01-01

    Describes a method based on Bayesian networks for searching hypertext systems. Discussion covers the use of Bayesian networks for structuring index terms and representing user information needs; use of link semantics based on constrained spreading activation to find starting points for browsing; and evaluation of a prototype system. (64…

  3. Social networking for web-based communities

    NARCIS (Netherlands)

    Issa, T.; Kommers, P.A.M.

    2013-01-01

    In the 21st century, a new technology was introduced to facilitate communication, collaboration, and interaction between individuals and businesses. This technology is called social networking; this technology is now part of Internet commodities like email, browsing and blogging. From the 20th centu

  4. Movements and group structure of giraffe (Giraffa camelopardalis) in Lake Manyara National Park, Tanzania

    NARCIS (Netherlands)

    van der Jeugd, HP; Prins, HHT

    2000-01-01

    Movements and group structure of giraffe Giraffa camelopardalis were studied in Lake Manyara National Park, northern Tanzania. The giraffe population in Manyara had increased from 60 to 85 individuals between the early 1980s and 1991. This increase may have been the result of an increase in browse a

  5. Movements and group structure of giraffe (Giraffa camelopardalis) in Lake Manyara National Park, Tanzania.

    NARCIS (Netherlands)

    Jeugd, van der H.P.; Prins, H.H.T.

    2000-01-01

    Movements and group structure of giraffe Giraffa camelopardalis were studied in Lake Manyara National Park, northern Tanzania. The giraffe population in Manyara had increased from 60 to 85 individuals between the early 1980s and 1991. This increase may have been the result of an increase in browse a

  6. Composición y calidad de la dieta del ciervo (Cervus elaphus L. en el norte de la península ibérica

    Directory of Open Access Journals (Sweden)

    Garin, I.

    2001-06-01

    Full Text Available Plant composition and quality of the red deer (Cervus elaphus L. diet in the northern Iberian peninsula The feeding pattern of red deer varies greatly among the different European populations. The aim of our study was to elucidate the plant composition and the quality of the red deer diet in the Pyrenees (Northern Iberian peninsula. Over a one-year period, the red deer fed mainly on browse, pines being the main food. However, unlike other populations on the Iberian peninsula, consumption of herbaceous plants was higher than browse in the spring-summer period. Nevertheless, the diet of Pyrenean red deer shared some features with the Mediterranean populations such as browsing on woody legumes. Fecal nitrogen content, as an index of diet quality, showed low annual values with a marked decrease in winter. The overall feeding pattern was similar to that of other Central European populations. The large size of the surveyed population probably affected its high level of browse consumption and poor quality diet.

  7. Aortic valve surgery - minimally invasive

    Science.gov (United States)

    ... Saunders; 2012:chap 61. Otto CM, Bonow RO. Valvular heart disease. In: Mann DL, Zipes DP, Libby P, Bonow ... A.M. Editorial team. Related MedlinePlus Health Topics Heart Valve Diseases Browse the Encyclopedia A.D.A.M., Inc. ...

  8. Mitral valve surgery - minimally invasive

    Science.gov (United States)

    ... Saunders; 2012:chap 61. Otto CM, Bonow RO. Valvular heart disease. In: Mann DL, Zipes DP, Libby P, Bonow ... Editorial team. Related MedlinePlus Health Topics Heart Surgery Heart Valve Diseases Mitral Valve Prolapse Browse the Encyclopedia A.D. ...

  9. Heart murmurs and other sounds

    Science.gov (United States)

    ... ACC guideline for the management of patients with valvular heart disease: executive summary: a report of the American College ... team. Related MedlinePlus Health Topics Congenital Heart Defects Heart Valve Diseases Browse the Encyclopedia A.D.A.M., Inc. ...

  10. Mitral valve surgery - open

    Science.gov (United States)

    ... Saunders; 2012:chap 61. Otto CM, Bonow RO. Valvular heart disease. In: Mann DL, Zipes DP, Libby P, Bonow ... Editorial team. Related MedlinePlus Health Topics Heart Surgery Heart Valve Diseases Mitral Valve Prolapse Browse the Encyclopedia A.D. ...

  11. Heart valve surgery - discharge

    Science.gov (United States)

    ... ACC guideline for the management of patients with valvular heart disease: executive summary: a report of the American College ... Editorial team. Related MedlinePlus Health Topics Heart Surgery Heart Valve Diseases Browse the Encyclopedia A.D.A.M., Inc. ...

  12. Aortic valve surgery - open

    Science.gov (United States)

    ... Saunders; 2012:chap 61. Otton CM, Bowow RO. Valvular heart disease. In: Mann DL, Zipes DP, Libby P, Bonow ... Editorial team. Related MedlinePlus Health Topics Heart Surgery Heart Valve Diseases Browse the Encyclopedia A.D.A.M., Inc. ...

  13. Exploratory Visualization of Graphs Based on Community Structure

    Science.gov (United States)

    Liu, Yujie

    2013-01-01

    Communities, also called clusters or modules, are groups of nodes which probably share common properties and/or play similar roles within a graph. They widely exist in real networks such as biological, social, and information networks. Allowing users to interactively browse and explore the community structure, which is essential for understanding…

  14. Effects of adding protein, condensed tannins, and polyethylene glycol to diets of sheep and goats fed one-seed juniper and low quality roughage

    Science.gov (United States)

    The biochemical mechanisms that limit voluntary intake of one-seed juniper by browsing ruminants are not well understood. Twelve Rambouillet ewes (78 ± 2.3 kg BW) and 12 Boer-Spanish does (54 ± 1.4 kg BW) were used in a split-plot sequence design to investigate the effects of adding protein, quebrac...

  15. Women of Gustav Klimt doi:10.5007/1807-1384.2010v7n2p107

    Directory of Open Access Journals (Sweden)

    José Artur Molina

    2010-07-01

    Full Text Available Study the production of Gustav Klimt is browsing through the history of a country, Austria, and travel the world of the Austro-Hungarian in their bellies. This work attempts to reflect the rebelliousness of the women who do not want to be sentenced to confinement despotic promoted by a man's world. Klimt, by passion, hugs, with odd aesthetic, this flag.

  16. Designing, Implementing, and Evaluating Secure Web Browsers

    Science.gov (United States)

    Grier, Christopher L.

    2009-01-01

    Web browsers are plagued with vulnerabilities, providing hackers with easy access to computer systems using browser-based attacks. Efforts that retrofit existing browsers have had limited success since modern browsers are not designed to withstand attack. To enable more secure web browsing, we design and implement new web browsers from the ground…

  17. Social web applications in the city: a lightweight infrastructure for urban computing

    DEFF Research Database (Denmark)

    Hansen, Frank Allan; Grønbæk, Kaj

    2008-01-01

    In this paper, we describe an infrastructure for browsing and multimedia blogging of Web-based information anchored with physical places in an urban environment. The infrastructure is generic in the sense that it may use any means such as GPS, RFID or 2D-barcodes as ubiquitous links anchors...

  18. Making Mobile Learning Work: Student Perceptions and Implementation Factors

    Science.gov (United States)

    Tabor, Sharon W.

    2016-01-01

    Mobile devices are the constant companions of technology users of all ages. Studies show, how-ever, that making calls is a minimal part of our engagement with today's smart phones and that even texting has fallen off, leaving web browsing, gaming, and social media as top uses. A cross-disciplinary group of faculty at our university came together…

  19. Using term clouds to represent segment-level semantic content of podcasts

    NARCIS (Netherlands)

    Fuller, M.; Tsagkias, E.; Newman, E.; Besser, J.; Larson, M.; Jones, G.J.F.; de Rijke, M.; Köhler, J.; Larson, M.; de Jong, F.M.G.; Kraaij, W.; Ordelman, R.J.F.

    2008-01-01

    Spoken audio, like any time-continuous medium, is notoriously difficult to browse or skim without support of an interface providing semantically annotated jump points to signal the user where to listen in. Creation of time-aligned metadata by human annotators is prohibitively expensive, motivating t

  20. Proceedings of the MIT/ONR (Massachusetts Institute of Technology/Office of Naval Research) Workshop on C3 (Command, Control, and Communications) Systems (6th) Held at Cambridge, Massachusetts on 25-29 July 1983

    Science.gov (United States)

    1983-12-01

    Equipment following: and communication ’noi.’ combine to produce a high level of ambient sound. Ambient noise will limit 1. Improve feedback to user...provided to allow the analyst to organizacions . These same collection tasking selectively browse through a large text or imagay requests will also be

  1. Timmermans’ Misleading Critique of Prospect Theory Actually Supports its Relevance for Travel Choice Modelling

    NARCIS (Netherlands)

    Van de Kaa, E.J.

    2012-01-01

    For a special issue of this journal Timmermans (2010) was asked to make critical comments on the suitability of Prospect Theory for travel behaviour research. His article offers a comprehensive overview of all kinds of criticism that one might encounter in the social sciences. When browsing through

  2. Student Motivation in Computer Networking Courses

    Directory of Open Access Journals (Sweden)

    Wen-Jung Hsin

    2007-01-01

    Full Text Available This paper introduces several hands-on projects that have been used to motivate students in learning various computer networking concepts. These projects are shown to be very useful and applicable to the learners’ daily tasks and activities such as emailing, Web browsing, and online shopping and banking, and lead to an unexpected byproduct, self-motivation.

  3. A Structured Approach to Homepage Design.

    Science.gov (United States)

    Gregory, Gwen; Brown, M. Marlo

    With no standards governing their creation, a variety of formats are being used for World Wide Web homepages. Some are well organized, present their information clearly, and work with multiple browsers. Others, however, are slow to load, function poorly with some Web browsing software, and are so badly structured that they are very difficult to…

  4. Elk, beaver, and the persistence of willows in national parks: comment on Singer et al. (1998).

    Science.gov (United States)

    Keigley, R.B.

    2000-01-01

    Singer et al. (1998) propose that the decline in populations of beaver (Castor canadensis) in Yellowstone National Park (YNP) has caused willow to be more vulnerable to browsing by clk (Alces alces). I do not believe that their scenario correctly characterizes the relationship between elk and willow in YNP

  5. "Television" Artists

    Science.gov (United States)

    Szekely, George

    2010-01-01

    In an art class, children browse through space-age knobs, robot antennas and gyroscopic signal searchers. They extend space needle antennas before turning on an old TV. They discover the sights and sounds of televisions past, hearing the hiss, the gathering power, and seeing the blinking eye, the black-and-white light and blurry images projected…

  6. SAGE Research Methods Datasets: A Data Analysis Educational Tool.

    Science.gov (United States)

    Vardell, Emily

    2016-01-01

    SAGE Research Methods Datasets (SRMD) is an educational tool designed to offer users the opportunity to obtain hands-on experience with data analysis. Users can search for and browse authentic datasets by method, discipline, and data type. Each of the datasets are supplemented with educational material on the research method and clear guidelines for how to approach data analysis.

  7. Indexing, learning and content-based retrieval for special purpose image databases

    NARCIS (Netherlands)

    Huiskes, M.J.; Pauwels, E.J.

    2004-01-01

    This chapter deals with content-based image retrieval in special purpose image databases. As image data is amassed ever more effortlessly, building efficient systems for searching and browsing of image databases becomes increasingly urgent. We provide an overview of the current state-of-the art by t

  8. A New Tool for Collaborative Video Search via Content-based Retrieval and Visual Inspection

    NARCIS (Netherlands)

    Hürst, W.O.; Ip Vai Ching, Algernon; Hudelist, Marco A.; Primus, Manfred J.; Schoeffmann, Klaus; Beecks, Chrisitan

    2016-01-01

    We present a new approach for collaborative video search and video browsing relying on a combination of traditional, indexbased video retrieval complemented with large-scale human-based visual inspection. In particular, a traditional PC interface is used for query-based search using advanced indexin

  9. Indexing, learning and content-based retrieval for special purpose image databases

    NARCIS (Netherlands)

    Huiskes, M.J.; Pauwels, E.J.

    2005-01-01

    This chapter deals with content-based image retrieval in special purpose image databases. As image data is amassed ever more effortlessly, building efficient systems for searching and browsing of image databases becomes increasingly urgent. We provide an overview of the current state-of-the art by t

  10. We'll Take It from Here: Further Developments We'd Like To See in Virtual Reference Software.

    Science.gov (United States)

    Coffman, Steven

    2001-01-01

    Discussion of virtual reference services focuses on software that is currently available and further developments that are needed. Topics include co-browsing and collaboration capabilities; communications technology, including chat technology and voice over Internet protocol (VoIP); networked reference services; and online reference collections…

  11. Ariadne's Thread - Interactive Navigation in a World of Networked Information

    NARCIS (Netherlands)

    Koopman, Rob; Wang, Shenghui; Scharnhorst, Andrea; Englebienne, Gwenn

    2015-01-01

    This work-in-progress paper introduces an interface for the interactive visual exploration of the context of queries using the ArticleFirst database, a product of OCLC. We describe a workflow which allows the user to browse live entities associated with 65 million articles. In the on-line interface,

  12. Movie Recommendation using Random Walks over the Contextual Graph

    DEFF Research Database (Denmark)

    Bogers, Toine

    algorithm that makes it easy to include different types of contextual information. It models the browsing process of a user on a movie database website by taking random walks over the contextual graph. We present our approach in this paper and highlight a number of future extensions with additional...

  13. Hemoglobin electrophoresis

    Science.gov (United States)

    ... 12. Read More A1C test Anemia Hemoglobin Hemolytic anemia Sickle cell anemia Thalassemia Review Date 1/31/2016 Updated by: ... Anemia Blood Count Tests Blood Disorders Newborn Screening Sickle Cell Anemia Browse the Encyclopedia A.D.A.M., Inc. ...

  14. Social Navigation in Web Lectures: A Study of VirtPresenter

    Science.gov (United States)

    Mertens, Robert; Ketterl, Markus; Brusilovsky, Peter

    2010-01-01

    Purpose: Social navigation is an emerging trend for navigation in hypermedia. With social navigation, users can be guided through large volumes of learning content by cues which integrate the browsing history of past users. Earlier papers have shown that social navigation is suitable for navigation not only in classic hypermedia but also in…

  15. Short-term digestible energy intake in captive moose (Alces alces) on different diets.

    Science.gov (United States)

    Clauss, Marcus; Kohlschein, Gina-Marie; Peemöller, Andreas; Hummel, Jürgen; Hatt, Jean-Michel

    2013-01-01

    Moose (Alces alces) are regularly described as problematic animals in captivity, mainly because of their particular digestive physiology and resulting feeding demands. According to the literature, moose regularly reject non-browse forages offered in captivity, which may indirectly lead to an overproportional ingestion of easily digestible feeds and thus chronic acidosis, which may in turn be the cause of their low life expectancy in captivity. By feeding experiments in four animals, this study aimed at testing whether maintaining moose on roughage-only diets appears feasible. The diets used consisted of the typical zoo ration with mixed feeds (including alfalfa hay), and exclusive diets of alfalfa hay, combinations of alfalfa hay and grass hay, alfalfa hay and grass hay and dried browse leaves, and dried browse leaves only. Whereas results confirmed that moose do not ingest grass hay in relevant amounts, digestible energy (DE) intake on alfalfa hay was, at 0.67 ± 0.15 DE MJ kg(-0.75) day(-1), above the estimated maintenance requirement of 0.6, and higher on the browse diets. At least for short-time periods, results contradict previous reports in the literature that alfalfa hay only is not a suitable maintenance diet for moose. At the same time the results promote feeding moose in captivity forage-based diets.

  16. The CASPAR finding aids

    OpenAIRE

    Meghini, Carlo; Avancini, Henry; Versienti, Loredana

    2011-01-01

    One of the CASPAR key components is the FIND Components, which is implementing the Finding Aids of OAIS. According to OAIS, FIND manages Description Information that is associated to Information Packages in order to support the discovery of those Packages. FIND allows defining, creating, persisting, querying, browsing, and accessing both Description Information and the association between Information Packages and Description Information

  17. Tech Talk for Social Studies Teachers: Evaluating Online Resources--The Importance of Critical Reading Skills in Online Environments

    Science.gov (United States)

    Street, Chris

    2005-01-01

    In the past two decades, substantial changes in pedagogy, advances in technology, and new emphases on critical reading, writing, and thinking across the curriculum have swept the educational landscape of the United States. Although "many students are familiar with some technological elements (notably e-mail and Web browsing), few demonstrate the…

  18. Multi-source and ontology-based retrieval engine for maize mutant phenotypes

    Science.gov (United States)

    In the midst of this genomics era, major plant genome databases are collecting massive amounts of heterogeneous information, including sequence data, gene product information, images of mutant phenotypes, etc., as well as textual descriptions of many of these entities. While basic browsing and sear...

  19. The Relationship between User Expertise and Structural Ontology Characteristics

    Science.gov (United States)

    Waldstein, Ilya Michael

    2014-01-01

    Ontologies are commonly used to support application tasks such as natural language processing, knowledge management, learning, browsing, and search. Literature recommends considering specific context during ontology design, and highlights that a different context is responsible for problems in ontology reuse. However, there is still no clear…

  20. Utilizing Social Bookmarking Tag Space for Web Content Discovery: A Social Network Analysis Approach

    Science.gov (United States)

    Wei, Wei

    2010-01-01

    Social bookmarking has gained popularity since the advent of Web 2.0. Keywords known as tags are created to annotate web content, and the resulting tag space composed of the tags, the resources, and the users arises as a new platform for web content discovery. Useful and interesting web resources can be located through searching and browsing based…

  1. HMI ASPECTS OF THE USABILITY OF INTERNET SERVICES WITH AN IN-CAR TERMINAL ON A DRIVING SIMULATOR

    Directory of Open Access Journals (Sweden)

    J-F. KAMP

    2001-01-01

    Based on these criteria, the results showed that browsing while driving seems to remain both complicated and dangerous even when using a simplified browser. However, the results also indicated that, depending on the type of tasks, the different control modes did not have the same efficiency.

  2. Modelling the Information Seeking Patterns of Engineers and Research Scientists in an Industrial Environment.

    Science.gov (United States)

    Ellis, David; Haugan, Merete

    1997-01-01

    Engineers and research scientists at Statoil's Research Center in Trondheim, Norway were interviewed to determine information-seeking patterns. Eight characteristics were identified: surveying, chaining, monitoring, browsing, distinguishing, filtering, extracting, and ending. The results showed that although there were differences in the features…

  3. WiFi Is on the Way

    Institute of Scientific and Technical Information of China (English)

    2008-01-01

    WiFi mobile phones soon may get a nod of approval from China’s telecom industry regulator At present, China’s telecom regulator prohibits phone calls made via the Internet or the browsing of Web pages via a mobile phone in wire-

  4. Analysis of the relationship between the web and mobile phone APP%浅析网页制作与手机APP的关系

    Institute of Scientific and Technical Information of China (English)

    李秀湾

    2016-01-01

    当下,个人手机已越来越普及,传统的电脑浏览模式也在不断发生着变化,人们的关注点也从电脑浏览转移到手机浏览。根据权威部门的有关统计可以得知,手机浏览器的浏览数量已经明显超过了电脑浏览器,绝大部分受众已经转向手机操作,这也进而引起了制作手机页面。文章以此为切入口,对传统页面制作和WAP 手机 APP 的关系进行了相关分析。%At present,the personal mobile phone has become more and more popular,traditional computer browsing patterns are constantly changing,people's focus from the computer to browse mobile phone browsing. According to the authoritative department of the relevant statistics can be learned,mobile phone browser browse number has significantly more than the computer browser,most of the audience has turned to mobile operation.This in turn caused the production of mobile page.This article is the entrance,the relationship between the traditional APP and WAP page making mobile phone are analyzed.

  5. Engaging EFL Students in E-Books Using Reader-Response Theory

    Science.gov (United States)

    Chou, I-Chia

    2015-01-01

    E-book reading is generally considered suboptimal because people engaging in e-book reading tend to browse through digital texts. As a result, studies concerning students' e-book preference in academic contexts have shown that students less prefer using e-books than hardcopy books when engaging in academic reading which is considered intensive…

  6. Situated Poetry Learning Using Multimedia Resource Sharing Approach

    Science.gov (United States)

    Yang, Che-Ching; Tseng, Shian-Shyong; Liao, Anthony Y. H.; Liang, Tyne

    2013-01-01

    Educators have emphasized the importance of situating students in an authentic learning environment. By using such approach, teachers can encourage students to learn Chinese poems by browsing content resources and relevant online multimedia resources by using handheld devices. Nevertheless, students in heterogeneous network environments may have…

  7. Exploring legacy systems using types

    NARCIS (Netherlands)

    Deursen, A. van; Moonen, L.M.F.

    2000-01-01

    We show how hypertext-based program understanding tools can achieve new levels of abstraction by using inferred type information for cases where the subject software system is written in a weakly typed language. We propose TypeExplorer, a tool for browsing COBOL legacy systems based on these types.

  8. The Effect of Implementing Knowledge Management System in Supplier Selection Content to Improve Learning Performance of Online Travel Agencies Staff

    Science.gov (United States)

    Ariya, Pakinee; Chakpitak, Nopasit; Sureepong, Pradorn

    2016-01-01

    Supplier selection knowledge of OTAs businesses is one of the most valuable and significant knowledge since OTAs now operate businesses that gain their benefits from having many kinds of tourism products and services for customers to browse from in their own online booking systems. The better the suppliers, the more successful will OTAs be. The…

  9. Emergent, Self-Directed, and Self-Organized Learning: Literacy, Numeracy, and the iPod Touch

    Science.gov (United States)

    Ricci, Carlo

    2011-01-01

    This paper uses narrative and storying to retell how two girls ages 5 and 7 continue to make use of an iPod touch to expand their literacy and numeracy. The paper explores the stopwatch and alarm features within the clock application, as well as the weather application, and the Internet browsing capability of the iPod touch. It also explores some…

  10. Factors Affecting the Winter-Feeding Ecology of Red Deer

    Directory of Open Access Journals (Sweden)

    Náhlik, A.

    2005-06-01

    Full Text Available Characteristics of browsing the forest regenerations and the consumption of supplementary given food of red deer were investigated. On a 10,000 ha territory managed by a forest management unit all the regenerations were fenced in due to the high browsing pressure. In the course of the experiment three plots of 0.5 ha-s each regenerated by oak (Querqus robur were left unfenced. On the side of one plot a feeding station was built in which sugar beet slices were given supplementary. On the side of another plot maize fodder was offered, while the third one served as a control. All three plots were surrounded by sandy bands, to be able to count how many deer stepped in weekly the respective plot. During the freeze days deer used significantly less the regeneration plots, and consequently browsed less. The same was found during the snow cover. Although snow was as shallow as 5 cm in average, it caused a change in feeding strategy of deer. Regenerations covered by snow did not offer enough forage anymore, because the hiding of the forbs and grasses. On weeks with snow cover red deer consumed significantly more sugar beet slices, than on weeks without snow. On the days without snow cover the later the week during the winter was, the more sugar beet was consumed. Browsing pressure caused in average by one deer in the neighbouring of the feeding stations was significantly increased by giving supplementary maize or sugar beet slices.

  11. Visual Based Retrieval Systems and Web Mining--Introduction.

    Science.gov (United States)

    Iyengar, S. S.

    2001-01-01

    Briefly discusses Web mining and image retrieval techniques, and then presents a summary of articles in this special issue. Articles focus on Web content mining, artificial neural networks as tools for image retrieval, content-based image retrieval systems, and personalizing the Web browsing experience using media agents. (AEF)

  12. There's an App for that: Smartphone Use in Health and Physical Education

    Science.gov (United States)

    Cummiskey, Matthew

    2011-01-01

    Smartphone use in the United States is growing rapidly and focuses mainly on sedentary activities, such as texting, gaming, and web browsing. Therefore, it is important that educators teach students the positive health-enhancing possibilities of smartphones. Apps exist for monitoring food consumption, planning meals, calculating BMI, and recording…

  13. Cultural Adventures for the Google[TM] Generation

    Science.gov (United States)

    Dann, Tammy

    2010-01-01

    Google Earth is a computer program that allows users to view the Earth through satellite imagery and maps, to see cities from above and through street views, and to search for addresses and browse locations. Many famous buildings and structures from around the world have detailed 3D views accessible on Google Earth. It is possible to explore the…

  14. The Understanding of Fast Reading by Metacognition Theory

    Institute of Scientific and Technical Information of China (English)

    王旭光; 杨中阳

    2011-01-01

    Students should know the purpose before reading comprehension and reasonably arrange cognitive resources and time. The best way is making a study plan included setting learning objectives, browsing learning materials, producing to answer the questions, and analyzing how to fulfill the tasks, etc. That is based on the metacognition theory. This paper introduces the undemanding of fast reading by metacognition theory.

  15. How Does Target Know so Much about Its Customers? Utilizing Customer Analytics to Make Marketing Decisions

    Science.gov (United States)

    Corrigan, Hope B.; Craciun, Georgiana; Powell, Allison M.

    2014-01-01

    Every time shoppers make a purchase at a store or browse a Web site, customer behavior is tracked, analyzed, and perhaps shared with other businesses. Target Corporation is a leader in analyzing vast amounts of data to identify buying patterns, improve customer satisfaction, predict future trends, select promotional strategies, and increase…

  16. Effect of supplementing Rhodes grass hay (Chloris gayana) with Berchemia discolor or Zizyphus mucronata on the performance of growing goats in Kenya.

    Science.gov (United States)

    Osuga, I M; Abdulrazak, S A; Muleke, C I; Fujihara, T

    2012-08-01

    Twenty growing Small East African goats were used to determine the effects of feeding sun-dried leaves of the browse forages Berchemia discolor and Zizyphus mucronata as supplements to low-quality basal diet, Rhodes grass (Chloris gayana) hay, on voluntary feed intake (VFI), digestibility and growth performance. The grass hay and maize bran were used as a control. The dried leaves were then included at the rates of 15% and 30% of the dry matter intake (DMI). Berchemia discolor had the highest crude protein (CP) content of 195.5 g/kg DM, while Z. mucronata had CP content of 169.5 g/kg DM. The grass hay had the lowest CP content of 50.9 g/kg DM. The browse forages had low fibre content [Neutral detergent fibre (NDF); 257.9-369.5 g/kg DM], while the grass hay had high fibre content (NDF; 713.1 g/kg DM). Goats in the groups supplemented with either of the browse forages had higher total DMI, nitrogen (N) intake and retention and live-weight gains than those in the control diet group. The digestibility of DM and organic matter (OM) was not affected by supplementation, but the CP digestibility increased with supplementation. The use of the browse forages as supplements for goats fed on poor-quality basal diets would enhance the performance of the animals.

  17. The Fashion Retailscape

    NARCIS (Netherlands)

    Vliet, Harry van

    2014-01-01

    An interactive full-length mirror that allows you to browse through an endless collection ofclothing and see immediately whether something fits you, including when you turn around, and which also allows you to send a picture quickly to your family and friends to hear what they think. This mirror is

  18. Is Precoordination Unnecessary in LCSH? Are Web Sites More Important To Catalog Than Books? A Reference Librarian's Thoughts on the Future of Bibliographic Control.

    Science.gov (United States)

    Mann, Thomas

    Precoordination of Library of Congress Subject Headings (LCSH), in both the LCSH thesaurus and online public access catalog (OPAC) browse displays, continues to be necessary for several reasons: (1) the meaning of thousands of LCSH headings depends on their word order in ways that cannot be captured by postcoordinate Boolean combinations or by…

  19. THE NUTRITIONAL COMPOSITION AND ACCEPTABILITY OF CACTI (Opuntia ficus indica-LEGUME MIXED SILAGE

    Directory of Open Access Journals (Sweden)

    J. GUSHA

    2013-03-01

    Full Text Available The potential of making silage using dry browse legume hay (Acacia angustissima, Leucaena leucocephala, Calliandra callothrysus and Macroptilium Atropurpureum mixed with fresh cactus (Opuntia ficus-indica for winter supplementation of veld grass was evaluated using the proximate, tannins and the pH analyses. Chemical analysis revealed that N values were significantly increased (P<0.05. The N levels were 3.72, 4.5, 4.05, and 2.5% DM for A. angustissima, L. leucocephala, C. callothrysus and M. atropurpureum respectively, which were higher when compared to silage made from cereals. The NDF and ADF values were slightly higher than those reported in literature for cereal silages. The DM level of cactus –browse silage was very good (41%DM considering that cactus normally have less than 10% DM. The silage pH was within the reported range, ranging from 3.97 to 4.11 on a pH meter. This was a good indicator of silage quality considering that low pH inhibit undesirable microbial activities. The tannins levels were lower in the silages but significantly different (P<0.05 between browse legume species. Ensiling lowered the tannin levels in the silage compared to the individual browse legume tannin levels. This study concluded that purely on compositional laboratory analysis, the legumes and cactus can be used to make silage which can be used by farmers during dry season.

  20. Amino acid profile of salivary proteins and plasmatic trace mineral response to dietary condensed tannins in free-ranging zebu cattle (Bos indicus) as a marker of habitat degradation

    NARCIS (Netherlands)

    Yisehak, K.; Becker, A.; Rothman, J.M.; Dierenfeld, E.S.; Marescau, B.; Bosch, G.; Hendriks, W.H.; Janssens, G.P.J.

    2012-01-01

    In the southern hemisphere, foraging areas of cattle are affected by overgrazing and soil erosion resulting in decreased availability of grasses and increased amounts of browse plants high in condensed tannins (CT). This study aimed to identify biomarkers in free-ranging zebu cattle (Bos indicus) fo

  1. Seasonal diet changes in elephant and impala in mopane woodland

    NARCIS (Netherlands)

    Kos, M.; Hoetmer, A.J.; Pretorius, Y.; Boer, de W.F.; Knegt, de H.J.; Grant, C.C.; Kohi, E.; Page, B.; Peel, M.; Slotow, R.; Waal, van der C.; Wieren, van S.E.; Prins, H.H.T.; Langevelde, van F.

    2012-01-01

    Elephant and impala as intermediate feeders, having a mixed diet of grass and browse, respond to seasonal fluctuations of forage quality by changing their diet composition. We tested the hypotheses that (1) the decrease in forage quality is accompanied by a change in diet from more monocots in the w

  2. Solitary pulmonary nodule

    Science.gov (United States)

    ... Chest x-ray Granulomatosis with polyangiitis Histoplasmosis Lung cancer - small cell Pulmonary tuberculosis Skin nodules Valley fever Review Date 8/1/2015 Updated by: Yi-Bin Chen, MD, Leukemia/Bone Marrow Transplant Program, ... Cancer Lung Diseases Browse the Encyclopedia A.D.A. ...

  3. Thoracic CT

    Science.gov (United States)

    ... lungs; CT scan - chest Images CT scan Thyroid cancer - CT scan Pulmonary nodule, solitary - CT scan Lung mass, right upper ... Chest Injuries and Disorders CT Scans Emphysema Lung Cancer Lung Diseases Pleural Disorders Pneumonia Pulmonary Embolism Tuberculosis Browse the Encyclopedia A.D.A. ...

  4. Designing Wearable Personal Assistants for Surgeons: An Egocentric Approach

    DEFF Research Database (Denmark)

    Jalaliniya, Shahram; Pederson, Thomas

    2015-01-01

    it in the design of a wearable personal assistant (WPA) for orthopedic surgeons. The result is a Google Glass-based prototype system aimed at facilitating touchless interaction with x-ray images, browsing of electronic patient records (EPR) when on the move, and synchronized ad hoc remote collaboration...

  5. Steroid injections - tendon, bursa, joint

    Science.gov (United States)

    ... PA: Elsevier Mosby; 2014:chap 71. Schrank KS. Joint disorders. In: Adams JG, ed. Emergency Medicine. 2nd ed. ... A.M. Editorial team. Related MedlinePlus Health Topics Joint Disorders Steroids Browse the Encyclopedia A.D.A.M., ...

  6. A System for Processing and Shelving Works of Mixed Media Format.

    Science.gov (United States)

    Mann, Thomas J.

    1979-01-01

    A system for processing and shelving mixed media works is described, the advantage of which is its ability to make value judgments reflecting the author's intention as to which format is primary. Security needs, storage space problems, and desirability of maintaining browsing capabilities are also incorporated in this system. (Author/MBR)

  7. Forehead lift

    Science.gov (United States)

    ... Elsevier Saunders; 2013:chap 1. McLain L. Facial cosmetic surgery. In: Hupp JR, Ellis E, Tucker MR, eds. ... Editorial team. Related MedlinePlus Health Topics Plastic and Cosmetic Surgery Skin Aging Browse the Encyclopedia A.D.A. ...

  8. Much to Know About History

    NARCIS (Netherlands)

    Herder, E.; Weinreich, H.; Obendorf, H.; Mayer, M.; Wade, V.P.; Ashman, H.; Smyth, B.

    2006-01-01

    Users often revisit pages while browsing the Web, yet little is known on the character of these revisits. In this paper we present an analysis of various revisit activities, based on results from a long-term click-through study. We separate backtracking activities from recurrent behavior, discuss th

  9. Data Cleaning Methods for Client and Proxy Logs

    NARCIS (Netherlands)

    Weinreich, H.; Obendorf, H.; Herder, E.; Edmonds, A.; Hawkey, K.; Kellar, M.; Turnbull, D.

    2006-01-01

    In this paper we present our experiences with the cleaning of Web client and proxy usage logs, based on a long-term browsing study with 25 participants. A detailed clickstream log, recorded using a Web intermediary, was combined with a second log of user interface actions, which was captured by a mo

  10. Choosing iPad Apps with a Purpose: Aligning Skills and Standards

    Science.gov (United States)

    Powell, Selma

    2014-01-01

    With the number of apps available today, browsing the iTunes store can become overwhelming for any teacher. A teacher can quickly try free apps, but to have full access, cost is often involved. Purchasing numerous apps can be expensive and time consuming and, most important, may not produce an outcome of acquiring tools that are well aligned with…

  11. Minute-made data analysis: tools for rapid interrogation of Hi-C contacts

    Science.gov (United States)

    Rowley, M. Jordan; Corces, Victor G.

    2017-01-01

    Summary Juicer and Juicebox described by Durand et al. (2016) are two new tools for fast and reliable processing of Hi-C data; providing approaches for read processing, multiple normalization schemes, feature annotation, and dynamic browsing of chromatin contacts, thus reducing arduous Hi-C analysis into an easy yet flexible pipeline. PMID:27716489

  12. Model validation of channel zapping quality

    NARCIS (Netherlands)

    Kooij, R.E; Nicolai, F.; Ahmed, K.; Brunnström, K.

    2009-01-01

    In an earlier paper we showed, that perceived quality of channel zapping is related to the perceived quality of download time of web browsing, as suggested by ITU-T Rec.G.1030. We showed this by performing subjective tests resulting in an excellent fit with a 0.99 correlation. This was what we call

  13. An Evaluation of Automatically Constructed Hypertexts for Information Retrieval.

    Science.gov (United States)

    Melucci, Massimo

    1999-01-01

    Assesses the retrieval effectiveness of automatically constructed interdocument hypertext links in information retrieval (IR). Describes experiments using statistical and probabilistic techniques that were designed to obtain evidence concerning the usefulness of querying and browsing automatically constructed IR hypertexts. Results indicate a…

  14. Sexual abuse in children -- what to know

    Science.gov (United States)

    ... Sexual abuse - children Signs of sexual abuse in children Suspect sexual abuse when children: Tell you that they are being ... A.M. Editorial team. Related MedlinePlus Health Topics Child Sexual Abuse Browse the Encyclopedia A.D.A.M., Inc. ...

  15. PRIDE Inspector: a tool to visualize and validate MS proteomics data

    OpenAIRE

    Wang, Rui; Fabregat, Antonio; Ríos, Daniel; Ríos, Daniel; Ovelleiro, David; Foster, Joseph M; Côté, Richard G; Côté, Richard G; Griss, Johannes; Csordas, Attila; Perez-Riverol, Yasset; Reisinger, Florian; Hermjakob, Henning; Martens, Lennart; Vizcaíno, Juan Antonio

    2012-01-01

    PRIDE Inspector thus provides a user-friendly, comprehensive tool for the browsing, inspection, and evaluation of data in the PRIDE database, or in a compatible standard file format. As such, we believe that PRIDE Inspector will substantially increase the ability of researchers, editors and peer-reviewers to explore, review, evaluate, and reuse proteomics data.

  16. Polyphonic Music Information Retrieval Based on Multi-Label Cascade Classification System

    Science.gov (United States)

    Jiang, Wenxin

    2009-01-01

    Recognition and separation of sounds played by various instruments is very useful in labeling audio files with semantic information. This is a non-trivial task requiring sound analysis, but the results can aid automatic indexing and browsing music data when searching for melodies played by user specified instruments. Melody match based on pitch…

  17. Distributed Sensing and Processing Adaptive Collaboration Environment (D-SPACE)

    Science.gov (United States)

    2014-07-01

    we desire in learning the graph patterns from data. For the case of “ mega -example” training data, i.e., a single large data graph without...and browsing in databases using BANKS . In Data Engineering, 2002. Proceedings. 18th International Conference on (pp. 431-440). IEEE. Brocheler, M., A

  18. SEARCHING FOR SUPREMACY

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    When it comes to why people go online in China, it’s a tossup between news browsing and using search engines for most netizens. Almost 70 percent and 66 percent, respectively, according to statistics from the 17th China Internet Development Statistic Report released in January this year. In 2005, almost 98 million, making up

  19. When you or your child has diarrhea

    Science.gov (United States)

    ... doctor Chest radiation - discharge Daily bowel care program Diarrhea - what to ask your doctor - child Diet - clear liquid Diet - full liquid Eating extra calories when sick - children Mouth and neck radiation - discharge Pelvic radiation - discharge When you have nausea and ... Browse the Encyclopedia A.D.A.M., ...

  20. Dysthymia

    Science.gov (United States)

    ... PA: Elsevier; 2016:chap 29. Read More Chronic Depression - overview Review Date 7/29/2016 Updated by: Fred K. Berger, MD, addiction and forensic psychiatrist, Scripps Memorial Hospital, La Jolla, CA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and ... Browse the Encyclopedia A.D.A.M., Inc. ...

  1. Interactive Visualization of Dependencies

    Science.gov (United States)

    Moreno, Camilo Arango; Bischof, Walter F.; Hoover, H. James

    2012-01-01

    We present an interactive tool for browsing course requisites as a case study of dependency visualization. This tool uses multiple interactive visualizations to allow the user to explore the dependencies between courses. A usability study revealed that the proposed browser provides significant advantages over traditional methods, in terms of…

  2. Database Description - tRNADB-CE | LSDB Archive [Life Science Database Archive metadata

    Lifescience Database Archive (English)

    Full Text Available mber of tRNA genes can be browsed for each species to search the codon recognized by major isoaccepting tRNA (optimal... codon) or minor tRNA (nonoptimal codon). Background and funding MEXT Integrated Database Project R

  3. Anterior knee pain

    Science.gov (United States)

    ... Armstrong B. Rehabilitation of the knee following sports injury. Clin Sports Med. 2010;29:81-106. PMID: 19945588 www. ... by: C. Benjamin Ma, MD, Assistant Professor, Chief, Sports Medicine and Shoulder Service, UCSF Department of Orthopaedic ... and Disorders Browse the Encyclopedia A.D.A. ...

  4. Centers for Medicare & Medicaid Services

    Science.gov (United States)

    ... site currently does not fully support browsers with “JavaScript” disabled. Please enable “JavaScript” and revisit this page or proceed with browsing CMS.gov with “JavaScript” disabled. Instructions for enabling “JavaScript” can be found ...

  5. Effects of reindeer on the re-establishment of Betula pubescens subsp. czerepanovii and Salix phylicifolia in a subarctic meadow

    Directory of Open Access Journals (Sweden)

    Michael den Herder

    2003-04-01

    Full Text Available The effect of reindeer browsing on the regeneration of Betula pubescens subsp. czerepanovii and Salix phylicifolia was studied in a subarctic meadow in Finnish Lapland. The aim of the study was to see whether tree recovery from seeds is possible under heavy reindeer-browsing pressure. After removal of the ground and field layer vegetation in 1986, two exclosures were established so that the effect of reindeer on the secondary succession, starting from seeds, could be studied. The size and the number of B. pubescens and S. phylicifolia were recorded in 1994, 1996, 1997 and 1999. Reindeer significantly reduced the height and the number of saplings (plants > 10 cm high of B. pubescens and S. phylicifolia but the number of seedlings (plants < 10 cm high did not differ between browsed and unbrowsed plots. Furthermore the heightclass distribution of saplings was different inside the exlosures compared to control areas. Over time browsed plots continued to have high densities of small saplings while in protected plots an increasing number of larger saplings appeared. In our study site, regeneration from seeds seemed possible although the height of B. pubescens and S. phylicifolia was limited by reindeer. 

  6. A neural click model for web search

    NARCIS (Netherlands)

    Borisov, A.; Markov, I.; de Rijke, M.; Serdyukov, P.

    2016-01-01

    Understanding user browsing behavior in web search is key to improving web search effectiveness. Many click models have been proposed to explain or predict user clicks on search engine results. They are based on the probabilistic graphical model (PGM) framework, in which user behavior is represented

  7. Digital Libraries and Repositories in India: An Evaluative Study

    Science.gov (United States)

    Mittal, Rekha; Mahesh, G.

    2008-01-01

    Purpose: The purpose of this research is to identify and evaluate the collections within digital libraries and repositories in India available in the public domain. Design/methodology/approach: The digital libraries and repositories were identified through a study of the literature, as well as internet searching and browsing. The resulting digital…

  8. Certificate authority collapse: regulating systemic vulnerabilities in the HTTPS value chain

    NARCIS (Netherlands)

    Arnbak, A.M.; van Eijk, N.A.N.M.

    2012-01-01

    Recent breaches and malpractices at several Certificate Authorities (CA’s) have led to a global collapse of trust in these central mediators of Hypertext Transfer Protocol Secure (HTTPS) communications. Given our dependence on secure web browsing, the security of HTTPS has become a top priority in t

  9. All eyes on the monitor

    DEFF Research Database (Denmark)

    Mollenbach, Emilie; Stefansson, Thorarinn; Hansen, John Paulin

    2008-01-01

    The experiment described in this paper, shows a test environment constructed with two information spaces; one large with 2000 nodes ordered in semi-structured groups in which participants performed search and browse tasks; the other was smaller and designed for precision zooming, where subjects p...

  10. The Role of a Digital Librarian in the Management of Digital Information Systems (DIS).

    Science.gov (United States)

    Sreenivasulu, V.

    2000-01-01

    Discusses the need for digital librarians who will manage and organize digital libraries. Topics include digital information systems; the information superhighway; navigation, browsing, and filtering; multimedia searching and indexing; data mining; information access and retrieval; competencies and skills for a digital librarian; and professional…

  11. "IBSAR" Software 4.0

    Directory of Open Access Journals (Sweden)

    2004-06-01

    Full Text Available A review for Arabic software entitled "IBSAR" software assigned to help blinds in usage of the computer, the software pronounces the commands and the contents of screens and applications browsed by users, this review includes general introduction about the software, the components and commands of the software , system requirements , and its functions with Windows operating system and Microsoft Word.

  12. High forage quality helps maintain resilience to gastrointestinal parasites in sheep and goats

    Science.gov (United States)

    Condensed tannins (CT) in browse and forage plants can have positive or negative effects on livestock health and performance, depending on the type and concentration of CT present in the diet. Historically, bloating in ruminants was reduced or eliminated when grazing legumes that contained CT. Con...

  13. The Comparison of Adults’ and Young Children’s Perceptions of Website User Interface Pleasure Based on Their Metacognitive Awareness

    Science.gov (United States)

    2004-06-01

    generate potential Website design factors to facilitate the design of pleasurable Website user interfaces. By doing so, both adults and young...participants’ metacognitive strategies used to help browse through the Websites. In the second experiment, three important Website design factors...the experiments, participants were asked to interact with several pre-selected Websites. The Website design guidelines regarding interface

  14. Teaching Language Arts in Second Life

    Science.gov (United States)

    Chen, Li-Ling

    2011-01-01

    Educators have been paying attention to the teaching potential of the 3D virtual world browsing program Second Life, and they have been using the tool to teach subjects such as arts and mathematics in the past few years. In this article, the author focuses on how to teach language arts in Second Life. Advantages and disadvantages of two Second…

  15. Interaction Problems Accessing E-Learning Environments in Multi-Touch Mobile Devices: A Case Study in TelEduc

    Science.gov (United States)

    da Silva, André Constantino; Freire, Fernanda Maria Pereira; de Arruda, Alan Victor Pereira; da Rocha, Heloísa Vieira

    2013-01-01

    e-Learning environments offer content, such text, audio, video, animations, using the Web infrastructure and they are designed to users interacting with keyboard, mouse and a medium-sized screen. Mobile devices, such as smartphones and tablets, have enough computation power to render Web pages, allowing browsing the Internet and access e-Learning…

  16. Ubiquitous Learning Website: Scaffold Learners by Mobile Devices with Information-Aware Techniques

    Science.gov (United States)

    Chen, G. D.; Chang, C. K.; Wang, C. Y.

    2008-01-01

    The portability and immediate communication properties of mobile devices influence the learning processes in interacting with peers, accessing resources and transferring data. For example, the short message and browsing functions in a cell phone provide users with timely and adaptive information access. Although many studies of mobile learning…

  17. Safe for saplings not safe for seeds : Quercus robur recruitment in relation to coarse woody debris in Bialowieza Primeval Forest, Poland

    NARCIS (Netherlands)

    van Ginkel, H.A.L.; Kuijper, D.P.J.; Churski, M.; Zub, K.; Szafranska, P.; Smit, C.

    2013-01-01

    In forested ecosystems, oak saplings can be found in association with coarse woody debris (CWD) that offers protection against herbivore browsing. In this study we investigated whether CWD is already a safe site during the earlier stages of oak recruitment, i.e. at the seed and seedling phase, or wh

  18. Rasmuson Library DVD Browser: Fun with Screen Scraping and Drupal

    Directory of Open Access Journals (Sweden)

    Mark Morlino

    2008-12-01

    Full Text Available The DVD Browser is a simple application that lets library patrons browse movie covers, titles, and reviews. It works by screen scraping the the Rasmuson Library catalog for DVD movies and dumps the data into a Drupal MySQL database. This paper describes the process of setting up the DVD Browser.

  19. Talk to Your Doctor about Abdominal Aortic Aneurysm

    Science.gov (United States)

    ... Topic En español Talk to Your Doctor about Abdominal Aortic Aneurysm Browse Sections The Basics Overview What is AAA? ... ask your doctor about getting screened (tested) for abdominal aortic aneurysm (AAA). If AAA isn't found and treated ...

  20. Semantic interoperability for collaborative spatial design

    NARCIS (Netherlands)

    Hofman, W.

    2009-01-01

    Mobile devices offer integrated functionality to browse, phone, play music, and watch video. Moreover, these devices have sufficient memory and processing power to run (small) applications based on for instance Google Android and the iPhone/iPod OS. As such, they support for instance Google Earth to