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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.
Based on data from Scopus, this indicators explore about 8 million records of scientists’ citations in order to rank a subset of 200,000 most-cited authors across all scientific fields. This is commonly referred to as Stanford ranking of the 2% best scientists. [3] The ranking is achieved via a composite indicator built on six citation metrics
Scopus [49] Multidisciplinary: 78,000,000 Records from over 20,500 titles from over 5,000 international publishers Subscription Elsevier: Web of Science [49] Multidisciplinary: 171,000,000 Includes other products, such as Social Sciences Citation Index, Science Citation Index, Biological Abstracts & The Zoological Record: Subscription Clarivate ...
The most important and best-known citation index for legal cases was released in 1873 with the publication of Shepard's Citations. [6] William Adair, a former president of Shepard's Citations, suggested in 1920 that citation indexes could serve as a tool for tracking science and engineering literature. [7]
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]
the Hirsch index for the citations received (H), the Schreiber co-authorship adjusted Hm index for the citations received (Hm). the total number of citations received to papers for which the scientist is single author (NCS), the total number of citations received to papers for which the scientist is single or first author (NCSF), and
Logo in 2014. 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.
A journal's SJR indicator is a numeric value representing the average number of weighted citations received during a selected year per document published in that journal during the previous three years, as indexed by Scopus. Higher SJR indicator values are meant to indicate greater journal prestige.