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the article about bibliographic databases for information about databases giving bibliographic information about finding books and journal articles. Note that "free" or "subscription" can refer both to the availability of the database or of the journal articles included. This has been indicated as precisely as possible in the lists below.
These sites allow you to search for articles that are entirely free to read. Find this article in BASE, a search engine for academic open online resources; Find this article in OAIster, a catalogue of open-access materials; Find this article at JURN, a curated search engine for free academic articles and books; Find this article at OpenDOAR, a ...
Google Scholar is a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines. . Released in beta in November 2004, the Google Scholar index includes peer-reviewed online academic journals and books, conference papers, theses and dissertations, preprints, abstracts, technical reports, and other ...
Jurn is a free online search tool for the finding and downloading of free full-text scholarly works. It was established by David Haden in a public online open beta version in February 2009, [1] initially for finding open access electronic journal articles in the arts and humanities.
Though the search engines may be accessed for free, indexed images themselves may be under restricted license. Google Books [3] - Searchable archive of magazines and books (some full-text, including photograph captions and references to photographs from related articles and content).
Free Medical Journals - index of 3,630 free medical journals: freemedicaljournals.com MedlinePlus PubMed - index of over 22 million items in the biomedical field: ncbi.nlm.nih.gov/pubmed
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 ...
The Directory of Open Access Journals (DOAJ) is a website that hosts a community-curated list of open access journals, maintained by Infrastructure Services for Open Access (IS4OA). [1] It was launched in 2003 with 300 open access journals. [2]