Interactive Map Summary of All Results Query Expressions
General Search Session Preferences    - Multiple Search Terms
Advanced Search Spelling Suggestions    - Boolean Operators
Selecting, Downloading Citations, Printing & Emailing Results Side Bars    - Exact Phrases
   - Downloading Citations    - Topics    - Parentheses
   - Printing    - Wikipedia    - Wildcards
   - Emailing    - EurekAlert! Obtaining Full-Text Documents
Search Results Sorting, Limiting, Refining & Summary    - Alerts    - Full Text Availability
   - Sorting    - Creating an Alerts Account    - Unrestricted Full Text
   - Limiting    - Creating an Alert    - Restricted Access to Full Text
   - Refining    - Creating Alerts from Search Results    - Journal Articles
   - Summary      - Open Access Journals
        - Full Text access via Interlibrary Loan
       - Bibliographic-only Sources

Interactive Map

The interactive map displays countries, depicted in dark purple, contributing to WorldWideScience.

WorldWideScience Interactive Map - France

General Search

Basic search

To perform a search from the WorldWideScience home page, enter search terms in your language into the general search field. Select one of the ten languages that you want your search results translated into and click the search button. A list of results will display. These results are ranked by relevance, indicated by the stars ranking stars next to the document title.

progress of sources complete

When your search results are complete, select the Translate Resultsbutton at the upper right of your search results to automatically translate your search results in your previously selected language.

Advanced Search

Precise search results can be obtained by utilizing WorldWideScience’s advanced search features.

Click Advanced Search from the list of links at the top of the WorldWideScience website or from the link on the search page.

Advanced Search

Search results can be refined on the Advanced Search by entering a search term for the full record, the title, or author. Results can also be matched by field, or by specifying a date range or particular database.

To translate search results into your preferred language from the Advanced Search form, enter search terms in your language into the advanced search fields, then select one of ten languages that you want your search results translated into, select databases and execute search.

When your search results are complete, select the Translate Resultsbutton at the upper right of your search results to automatically translate your search results in your previously selected language.

WWS seach results

Format Tabs - Papers, Multimedia, Data

Format Tabs

Format tabs at the top of the search results page allow results to be refined by format.

Selecting, Downloading Citations, Printing & Emailing Results

Once a search has been performed and a list of results returned, desired articles can be selected and saved for later use, emailed, and printed.

Note: Selected articles are available until they are unchecked or until the browser is closed.

Downloading Citations

Citations of selected articles can be viewed and downloaded.  This format is compatible with most reference management software packages.



A list of selected articles can be emailed by clicking Email Results above the search results.


Search Results Sorting, Limiting, Refining & Summary

Search results can be sorted by rank, date, title, or author. Results can also be limited to a desired source.


sort by Rank


Limit to: All Sources

Refine Search


Results can be refined to include an additional search term. WorldWideScience searches previously-returned results for the additional search term, and new results are displayed. Click on the Refine Search link and enter a new search term into the field as shown below.

Summary of All Results

WorldWideScience provides a summary of results that outlines the responsiveness of each separate source.

Session Preferences

Session Preferences

WorldWideScience allows for user-control over certain search options.

Spelling Suggestions

WorldWideScience may suggest alternate search terms when the original term has multiple spellings or has been misspelled.

Search: Full record:  


Side Bars

WorldWideScience provides informative side bar options including Topics and a Visual for a set of search results.

Visual results


Topics allow results to be refined by topic, author, publication or date.


The Visual tab displays a circular graph of topics and the number of documents for those topics in the search results. Clicking on a topic in the graph will refine results by topic.


For many search terms, a Wikipedia article displays to the right of the search results. This article provides a quick, simple definition of the search term. Click the title to view the entire Wikipedia article.


The EurekAlert! menu appears beneath the Wikipedia article to the right of the search results. EurekAlert! displays news sources related to the search term. Click on a news title to read the entire article. Read more about EurekaAlert!.


Alerts make recurring searches easier by automating the search and sending you the results on a regular basis. To receive alerts on topic(s) of interest, create a free Alerts account, specify your alert parameters, and check your email.

Creating an Alerts Account

WorldWideScience Alerts Login

Creating an Alert

Creating Alerts from Search Results


Query Expressions

In addition to simple search terms, WorldWideScience can conduct searches using multiple search terms, Boolean operators, exact phrases, parentheses, and wildcards.

Note: Searches are not case-sensitive. A search for SCIENCE, Science, or science will return the same results.  

Multiple Search Terms

Multiple terms can be searched, using the Boolean AND by default.

Example: A search for science technology will return results on both science and technology.

Boolean Operators

WorldWideScience recognizes the operators AND, OR, and NOT

Exact Phrases

Phrases contained in double quotations (“ ”) will be searched as an exact phrase.

Example: A search for “nuclear energy” will return only those results where energy immediately follows the term nuclear.


Using parentheses allows control over the order in which Boolean expressions are evaluated.

Example:  A search for nuclear ((energy consumption) OR waste) will return results for either nuclear energy consumption or nuclear waste.

Example: A search for ((black holes) or (dark matter)) AND gravitation will search for either black and holes and gravitation or dark and matter and gravitation.


Wildcards (* and ?) allow a search term to act as a “root” for words with different forms.

Example: A search for part* will return results that include the terms part, particle, participate, etc.

Example: A search for part? will return results with only one additional character: parts, party, etc.


Obtaining Full-Text Documents in

Approximately 95 databases and portals from over 70 countries are currently searchable through the global science gateway. Many of these sources offer access to full-text documents referenced in their bibliographic records. Detailed information regarding individual database and portal full text access options is available from the source websites. These sources are listed on the Advanced Search page. Links to these sources can also be found in the search results citations. Additional information regarding full text access is provided below. 

Full Text Availability

Sources having full text access for viewing, printing, or downloading should have "Full Text Available" displayed in their search results citations. These full-text sources will additionally have their name listed under the "Full Text Available" section in the "Topics" tab in the left menu on the search results pages.

Some of these sources may additionally provide icons for linking to the full text in their citations. To view an electronic full-text document, click on the full-text icon in the advanced search results record if an icon is displayed. (You must have Adobe Acrobat Reader plug-in installed to read PDF records.) To download an electronic document, right-click on the icon and choose "Save Link As" or "Save Target As". The download time depends on the size of the document and the technical capabilities of your equipment. If there is no full-text icon, go to the Source's bibliographic record by clicking on the title for further information.

Unrestricted Full Text

Much of the full text provided by sources is freely available and in the open domain.

Restricted Access to Full Text

A few of the sources require that users be registered, or have specific domains, to access their full-text collections. Users should refer to the source’s bibliographic records or websites for terms of access.

Journal Articles

Some of the sources provide search results from Journal publishers. If the full text is a copyrighted journal article, it may be available for purchase from the publisher's website. Alternatively, many institutions, universities, and corporations maintain journal subscriptions for their library patrons. Detailed information regarding access should be available from the source website or via the publisher's website.

Open Access Journals

Open Access journals are defined as journals that use a funding model that does not charge readers or their institutions for access to full text documents. Users may obtain access to full-text articles from Open Access journals for free. Open Access journal articles made available by sources should be marked appropriately.

Full Text access via Interlibrary Loan

Some of the sources provide access to their full-text documents through interlibrary loan programs where users can borrow books or receive photocopies or files that are owned by another library. These source websites will provide detailed information regarding the process.

Bibliographic-only Sources

Some of the sources provide results from bibliographic-only databases.  Bibliographic records from these sources displayed in search results will not offer full text access. It may be possible, however, to locate the full text item through another library or through a document delivery service.

On behalf of the WorldWideScience Alliance, the Office of Scientific and Technical Information (OSTI) continues to work with Database Participants to increase access to their full-text information. We anticipate that this full-text collection will grow over time.