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Selecting Search Engines

A collection of general and specialized web search engines.

Academic Search Engines

BASE (Bielefeld Academic Search Engine) logo

Search Interfaces

Description

  • BASE (Bielefeld Academic Search Engine) searches only for academic sources, such as journal articles, preprints, digital collections, images, videos and research data.
  • About 60% of results are Open Access (free of charge), and at least some material in a source needs to be available Open Access to be included in BASE search. 
  • Any source searched by BASE has to be reviewed for academic quality before it will be included.
  • Created by Bielefeld University Library.

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Google Scholar logo

Search Interfaces

Description

  • Google search but for more academic sources, such as journal articles, preprints, books, theses, and case law.
  • Searches sources that appear scholarly to Google, including academic publishers, professional societies, online repositories, and university websites.
  • Tracks article citations to find related research. 
  • Will try to find Open Access (free of charge) versions of articles when there is a paywall.   
  • Can be connected to our collection so you can access paywalled resources we subscribe to.

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Microsoft Academic logo

Search Interface

Description

  • Searches for academic information, such as journal articles, books, book chapters, conference proceedings, and patents.  
  • Used semantic search instead of keyword search, so Microsoft Academic can recognize whether words are topics, authors, research institutions, article titles, journal titles, or conferences.
  • Tracks article citations to find related research. 
  • Will find Open Access (free of charge) versions of articles where possible. 

Refseek logo

Search Interfaces

Description

  • Built on Google search but prioritizes information it considers more appropriate for school assignments, such as encyclopedias, news sources, university websites, museum & other cultural institution websites, & government sources.
  • Can search definitions, images, and books
  • Document search looks for non-HTML formats such as PDFs and Office documents. 

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Semantic Scholar logo

Search Interfaces

Description

  • Searches peer-reviewed articles, books, conference papers, and other sources.
  • Artificial intelligence algorithm analyzes sources for authors, references, figures, and topics to improve search results.
  • Links references, citations, and sources with same topics. 
  • Searches for Open Access (free of charge) versions of sources when available.
  • Can create alerts for authors, papers, and topics. 

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