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  2. List of academic databases and search engines - Wikipedia

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

    A gateway to government science information and research results. Science.gov provides a search of over 45 scientific databases and 200 million pages of science information with just one query, and is a gateway to over 2000 scientific Websites. Free

  3. Sci-Hub - Wikipedia

    en.wikipedia.org/wiki/Sci-Hub

    Alexandra Elbakyan at a conference at Harvard (2010). Sci-Hub was created by Alexandra Elbakyan, who was born in Kazakhstan in 1988. [22] Elbakyan earned her undergraduate degree at Kazakh National Technical University [23] studying information technology, then worked for a year for a computer security firm in Moscow, then joined a research team at the University of Freiburg in Germany in 2010 ...

  4. Science.gov - Wikipedia

    en.wikipedia.org/wiki/Science.gov

    Science.gov is a web portal and specialized search engine. Using federated search technology, Science.gov serves as a gateway to United States government scientific and technical information and research. Currently in its fifth generation, Science.gov provides a search of over 60 databases from 14 federal science agencies and 200 million pages ...

  5. Web of Science - Wikipedia

    en.wikipedia.org/wiki/Web_of_Science

    Web of Science "is a unifying research tool which enables the user to acquire, analyze, and disseminate database information in a timely manner". [7] This is accomplished because of the creation of a common vocabulary, called ontology, for varied search terms and varied data. Moreover, search terms generate related information across categories.

  6. Scirus - Wikipedia

    en.wikipedia.org/wiki/Scirus

    Scirus was a comprehensive science-specific search engine, first launched in 2001. [1] Like CiteSeerX and Google Scholar, it was focused on scientific information.Unlike CiteSeerX, Scirus was not only for computer sciences and IT and not all of the results included full text.

  7. Science Citation Index Expanded - Wikipedia

    en.wikipedia.org/wiki/Science_Citation_Index...

    The index is available online within Web of Science, [11] [12] as part of its Core Collection (there are also CD and printed editions, covering a smaller number of journals). [13] The database allows researchers to search through over 53 million records from thousands of academic journals that were published by publishers from around the world.

  8. List of search engines - Wikipedia

    en.wikipedia.org/wiki/List_of_search_engines

    Search engines, including web search engines, ... Nextbio (Life Science Search Engine) PubGene; Searchmedica; WebMD; Mobile/handheld. Taganode Local Search Engine ...

  9. Semantic Scholar - Wikipedia

    en.wikipedia.org/wiki/Semantic_Scholar

    Semantic Scholar is free to use and unlike similar search engines (i.e. Google Scholar) does not search for material that is behind a paywall. [ 5 ] [ citation needed ] One study compared the index scope of Semantic Scholar to Google Scholar, and found that for the papers cited by secondary studies in computer science, the two indices had ...