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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.
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 ...
The impact factor relates to a specific time period; it is possible to calculate it for any desired period. For example, the JCR also includes a five-year impact factor, which is calculated by dividing the number of citations to the journal in a given year by the number of articles published in that journal in the previous five years. [14] [15]
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.
Clarivate [6] was formerly the Intellectual Property and Science division of Thomson Reuters.Before 2008, it was known as Thomson Scientific. [7] In 2016, Thomson Reuters struck a $3.55 billion deal in which they spun it off as an independent company, and sold it to private-equity firms Onex Corporation and Baring Private Equity Asia.
In 2010, a criticism was voiced pointing toward certain deficiencies of the journal impact factor calculation process, based on Thomson Reuters Web of Science, such as: journal citation distributions usually are highly skewed towards established journals; journal impact factor properties are field-specific and can be easily manipulated by ...
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.
Download as PDF; Printable version; In other projects ... the journal has a 2023 impact factor of 2.3. [1] ... This page was last edited on 20 June 2024, ...