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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] and later was distributed via CD/DVD. [2]
In 1961 Garfield received a grant from the U.S. National Institutes of Health to compile a citation index for Genetics. To do so, Garfield's team gathered 1.4 million citations from 613 journals. [8] From this work, Garfield and the ISI produced the first version of the Science Citation Index, published as a book in 1963. [10]
A gateway to government science information and research results. Science.gov provides a search of over 45 scientific databases and 200 million pages of science information with just one query, and is a gateway to over 2000 scientific Websites. Free
ISI maintained citation databases covering thousands of academic journals, including a continuation of its longtime print-based indexing service the Science Citation Index (SCI), as well as the Social Sciences Citation Index (SSCI) and the Arts and Humanities Citation Index (AHCI).
The countries with the highest share of articles published in scientific journals according to the Nature Index 2024, which is valid for the calendar year 2023. [ 2 ] The "count" is the total number of articles to which nationals of the country have contributed.
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.
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The Emerging Sources Citation Index (ESCI) is a citation index produced since 2015 by Thomson Reuters and now by Clarivate. According to the publisher, the index includes "peer-reviewed publications of regional importance and in emerging scientific fields". [1] The ESCI is accessible through the Web of Science, together with other Clarivate ...