It is a measure reflecting the yearly average number of citations to recent articles published in an academic journal. This journal evaluation metric was launched in December 2016 by Elsevier as an alternative to the generally used JCR impact factors (calculated by Clarivate). CiteScore is based on the citations recorded in the Scopus database rather than in JCR, and those citations are collected for articles published in the preceding four years instead of two or five.
Calculating the CiteScore is based on the number of citations to documents (articles, reviews, conference papers, book chapters, and data papers) by a journal over four years, divided by the number of the same document types indexed in Scopus and published in those same four years. For example, the 2020 CiteScore counts the citations received in 2017-2020 to articles, reviews, conference papers, book chapters, and data papers published in 2017-2020, and divides this by the number of these documents published in 2017-2020.
To check the CiteScore of a journal, go to the Scopus database, select the Sources tab at the top and go to the list of journals indexed in the Scopus. Click on the title to get detailed information about that journal. On the Sources page, you will also find a search engine to find a specific title. Below you will find a detailed description of the journal "Metrology and Measurement Systems" published by Gdańsk University of Technology.
