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The JIF is defined as citations to the journal in the JCR year to items published in the previous two years, divided by the total number of citable items, (i.e., Articles and Reviews) published in the journal in the previous two years. The JCR year is the last complete year within that year’s JCR data set.
Journal Citation Reports offers data and analysis on journal performance and impact across disciplines and regions.
Contents. What is the Journal Citation ReportsTM (JCR) How is the Journal Impact FactorTM (JIF) calculated. Journal Impact FactorTM (JIF) changes in this release. How ties work for category rank and quartile. Timing of Appearance in the JCR. How is the Journal Citation Indicator calculated.
Jan 21, 2023 · In the 2021 JCI year, the JCI for a given journal is the mean CNCI for all citable items published in 2018, 2019, and 2020 in that journal counting all citations they received from any document indexed between 2018 and 2021.
The Journal Citation Indicator (JCI) is displayed in the profile for all titles covered in the Journal Citation Reports. The JCI was introduced in 2021 with the release of the 2020 metrics and was calculated back to 2017. The interactive graph shows the last five JCR years.
Oct 2, 2024 · Journal Citation Reports® offers a systematic, objective means to critically evaluate the world's leading journals, with quantifiable, statistical information based on citation data.
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Jul 22, 2021 · This metric will be called the Journal Citation Indicator (JCI) and will be available for all journals indexed in the Web of Science (WoS) Core Collection, including those that do not already have a Journal Impact Factor and which aren’t already included in the JCR. What is the JCI?