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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 ...
Google Scholar: Multidisciplinary: 389,000,000 The biggest academic database & search engine (over 390 million records, unofficial estimate) Free Google: Informit: Multidisciplinary: 8,000,000 Australasian aggregator of bibliographic databases and journals Subscription RMIT Training Pty Ltd (RMIT Training) Inspec: Physics, Engineering, Computer ...
Search engines, including web search engines, selection-based search engines, metasearch engines, ... Google Scholar; Lexis (Lexis Nexis) Quicklaw; WestLaw; Medical.
The search engine indexed over 260 million publications, 88 million of which are journal articles. [5] Preliminary reviews by bibliometricians suggested the new Microsoft Academic Search was a competitor to Google Scholar , Web of Science , and Scopus for academic research purposes [6] [7] as well as citation analysis.
PubMed. PubMed is a free database including primarily the MEDLINE database of references and abstracts on life sciences and biomedical topics. The United States National Library of Medicine (NLM) at the National Institutes of Health maintains the database as part of the Entrez system of information retrieval.
Owner. Microsoft. URL. academic .research .microsoft .com. Commercial. No. Microsoft Academic Search was a research project and academic search engine retired in 2012. It relaunched in 2016 as Microsoft Academic, which in turn was shut down in 2022. The content of the latter was allegedly incorporated into The Lens.
The Science Citation Index Expanded (previously titled Science Citation Index) is a citation index originally produced by the Institute for Scientific Information (ISI) and created by Eugene Garfield. The Science Citation Index (SCI) was officially launched in 1964, [1] distributed via CD / DVD. [2] Then in 1997, Science Citation Index Expanded ...
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