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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 ...
This article contains a representative list of notable databases and search engines useful in an academic setting for finding and accessing articles in academic journals, institutional repositories, archives, or other collections of scientific and other articles.
Citation impact or citation rate is a measure of how many times an academic journal article or book or author is cited by other articles, books or authors.
The h-index is an author-level metric that measures both the productivity and citation impact of the publications, initially used for an individual scientist or scholar. The h -index correlates with success indicators such as winning the Nobel Prize, being accepted for research fellowships and holding positions at top universities. [1]
Scopus is an abstract and citation database launched by the academic publisher Elsevier in 2004. [1] Journals in Scopus are reviewed for sufficient quality each year according to four numerical measures: h -Index, CiteScore, SJR ( SCImago Journal Rank) and SNIP ( source normalized impact per paper ).
PubMed Central. PubMed Central ( PMC) is a free digital repository that archives open access full-text scholarly articles that have been published in biomedical and life sciences journals. As one of the major research databases developed by the National Center for Biotechnology Information (NCBI), PubMed Central is more than a document repository.
Physical Review Letters ( PRL ), established in 1958, is a peer-reviewed, scientific journal that is published 52 times per year by the American Physical Society. As also confirmed by various measurement standards, which include the Journal Citation Reports impact factor and the journal h -index proposed by Google Scholar, many physicists and other scientists consider Physical Review Letters ...
Web of Science. The Web of Science ( WoS; previously known as Web of Knowledge) is a paid-access platform that provides (typically via the internet) access to multiple databases that provide reference and citation data from academic journals, conference proceedings, and other documents in various academic disciplines.