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The impact factor (IF) or journal impact factor (JIF) of an academic journal is a scientometric index calculated by Clarivate that reflects the yearly mean number of citations of articles published in the last two years in a given journal, as indexed by Clarivate's Web of Science. As a journal-level metric, it is frequently used as a proxy for ...
Nature ' s impact factor, a measure of how many citations a journal generates in other works, was 42.778 in 2019 (as measured by Thomson ISI). [1] [35] [36] However, as with many journals, most papers receive far fewer citations than the impact factor would indicate. [37] Nature's journal impact factor carries a long tail. [38]
Journal Citation Reports (JCR) is an annual publication by Clarivate. [1] It has been integrated with the Web of Science and is accessed from the Web of Science Core Collection. It provides information about academic journals in the natural and social sciences, including impact factors. JCR was originally published as a part of the Science ...
A study published in 2021 compared the Impact Factor, Eigenfactor Score, SCImago Journal & Country Rank and the Source Normalized Impact per Paper, in journals related to Pharmacy, Toxicology and Biochemistry. It discovered there was "a moderate to high and significant correlation" between them. [25]
Science (journal) Science. (journal) Science is the peer-reviewed academic journal of the American Association for the Advancement of Science [A 2][1] (AAAS) and one of the world's top academic journals. [2] It was first published in 1880, is currently circulated weekly and has a subscriber base of around 130,000.
The Social Science Research Network (SSRN) is a repository for preprints devoted to the rapid dissemination of scholarly research in the social sciences, humanities, life sciences, and health sciences, among others. Elsevier bought SSRN from Social Science Electronic Publishing Inc. in May 2016. [1] It is not an electronic journal, but rather ...
JAMA (The Journal of the American Medical Association) is a peer-reviewed medical journal published 48 times a year by the American Medical Association. It publishes original research, reviews, and editorials covering all aspects of biomedicine. The journal was established in 1883 with Nathan Smith Davis as the founding editor. [1]
Scopus is a scientific abstract and citation database, launched by the academic publisher Elsevier as a competitor to older Web of Science in 2004. [1] An ensuing competition between the two databases has been characterized as "intense" and is considered to significantly benefit their users in terms of continuous improvent in coverage, search/analysis capabilities, but not in price.