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  2. Wikipedia : United States government document search tools

    en.wikipedia.org/wiki/Wikipedia:United_States...

    Wikipedia Editors should be aware that as part of the current policy of open access and freedom of information in the United States of America there are a variety of search engines available on the internet to help people to find online government documents and related reference information that can be used as sources for Wikipedia articles.

  3. List of academic databases and search engines - Wikipedia

    en.wikipedia.org/wiki/List_of_academic_databases...

    Indian Citation Index (ICI) is a home grown abstracts and citation database, with multidisciplinary objective knowledge contents from about 1000 top Indian scholarly journals. It provides powerful search engine to fulfill search and evaluation purposes for researchers, policy makers, decision makers etc. Subscription ICI [78] IARP ...

  4. Information retrieval - Wikipedia

    en.wikipedia.org/wiki/Information_retrieval

    Emanuel Goldberg submits patents for his "Statistical Machine", a document search engine that used photoelectric cells and pattern recognition to search the metadata on rolls of microfilmed documents. 1940s–1950s late 1940s: The US military confronted problems of indexing and retrieval of wartime scientific research documents captured from ...

  5. List of search engines - Wikipedia

    en.wikipedia.org/wiki/List_of_search_engines

    Cross-platform open-source desktop search engine. Unmaintained since 2011-06-02 [9]. LGPL v2 [10] Terrier Search Engine: Linux, Mac OS X, Unix: Desktop search for Windows, Mac OS X (Tiger), Unix/Linux. MPL v1.1 [11] Tracker: Linux, Unix: Open-source desktop search tool for Unix/Linux GPL v2 [12] Tropes Zoom: Windows: Semantic Search Engine (no ...

  6. Bibliographic coupling - Wikipedia

    en.wikipedia.org/wiki/Bibliographic_coupling

    Two documents are bibliographically coupled if they both cite one or more documents in common. The "coupling strength" of two given documents is higher the more citations to other documents they share. The figure to the right illustrates the concept of bibliographic coupling. In the figure, documents A and B both cite documents C, D and E.

  7. AOL Search FAQs - AOL Help

    help.aol.com/articles/aol-search-faqs

    When seeking online information, many people turn to search engines like Google, Bing, Yahoo, or AOL Search. These search engines function as digital indexes, organizing available content by topic and sub-topic, much like an index in a book. Each search engine builds its index using distinct methods, typically beginning with an automated ...

  8. Contextual searching - Wikipedia

    en.wikipedia.org/wiki/Contextual_searching

    Contextual search is a form of optimizing web-based search results based on context provided by the user and the computer being used to enter the query. [1] Contextual search services differ from current search engines based on traditional information retrieval that return lists of documents based on their relevance to the query.

  9. BASE (search engine) - Wikipedia

    en.wikipedia.org/wiki/BASE_(search_engine)

    The search engine was created to index and offer access to scholarly materials such journals, institutional repositories, and digital collections as well as scientific publications. The search engine's creators emphasized on ensuring open access to scientific knowledge and made sure that its search results only included materials that were ...