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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 ...
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 impact factor was devised by Eugene Garfield, the founder of the Institute for Scientific Information (ISI) in Philadelphia. Impact factors began to be calculated yearly starting from 1975 for journals listed in the Journal Citation Reports (JCR). ISI was acquired by Thomson Scientific & Healthcare in 1992, [4] and became known as Thomson ISI.
Clarivate was formerly the Intellectual Property and Science division of Thomson Reuters.Before 2008, it was known as Thomson Scientific. [6] 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.
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.
In June 2023, Thomson Reuters agreed to acquire Casetext, a provider of AI technology for legal professionals, in an all-cash deal worth $650 million. [104] The acquisition was completed in August 2023. [105] In October 2024, Thomson Reuters announced it was selling its FindLaw business to Internet Brands for an unknown amount. [106]
The 2024 chart-toppers For the second year in a row, Taylor Swift, TIME’s 2023 Person of the Year , was the most listened-to artist on the platform with more than 26.6 billion streams globally.
To quantitatively assess the output of a publishing company, in 2014 a research group associated with the University of Granada created a methodology based on the Thomson-Reuters Book Citation Index. [16] The quantitative weight of the publishers is based on output data, impact (citations) and publisher profile.