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Users need to account for qualities and limitations of databases and search engines, especially those searching systematically for records such as in systematic reviews or meta-analyses. [2] As the distinction between a database and a search engine is unclear for these complex document retrieval systems , see:
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 ...
The Radio Research Laboratory (RRL), located on the campus of Harvard University, was an 800-person secret research laboratory during World War II.Under the U.S. Office of Scientific Research and Development (OSRD), it was a spinoff of the Radiation Laboratory (Rad Lab) at MIT and set up to develop electronic countermeasures to enemy radars and communications, as well as electronic counter ...
DOAJ provides a change log on Google Sheets that has been updated since March 2014 and identifies the journals added and the journals removed with the justification for the removal. [ 8 ] Founder, Lars Bjørnshauge, announced his retirement in 2021 and from January 2022, DOAJ has a new Managing Director, Joanna Ball.
This is a carefully selected list of education-related words and phrases used to tag materials by subject and make them easier to retrieve through a search. Prior to January 2004, the ERIC network consisted of sixteen subject-specific clearinghouses, various adjunct and affiliate clearinghouses, and three support components.
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).
ResearchGate's competitors include Academia.edu, Google Scholar, and Mendeley, [4] as well as new competitors that emerged in the last decade like Semantic Scholar. In 2016, Academia.edu reportedly had more registered users (about 34 million versus 11 million [ 25 ] ) and higher web traffic, but ResearchGate was substantially larger in terms of ...
Microsoft Academic gained prominence because it profiled authors, organizations, keywords, and journals [4] and made the dataset available as open data, in contrast to Google Scholar. The search engine indexed over 260 million publications, [ 5 ] 88 million of which are journal articles.