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It provides information about academic journals in the natural and social sciences, including impact factors. JCR was originally published as a part of the Science Citation Index. Currently, the JCR, as a distinct service, is based on citations compiled from the Science Citation Index Expanded and the Social Sciences Citation Index. [2]
Clarivate Citation Laureates, formerly Thomson Reuters Citation Laureates, is a list of candidates considered likely to win the Nobel Prize in their respective field. The candidates are so named based on the citation impact of their published research. Thomson Reuters Citation Laureates was established in 1989.
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 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.
As of their 2022 list, Clarivate uses "performance statistics" from data in the Web of Science.There are 21 specific fields, and one for interdisciplinary science—Clarivate creates a list of papers that are in the top 1% most highly cited in their field, [a] and admission to the HCR list is based on an author's number of papers in the top 1%.
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 journal is published monthly by Elsevier and is the most highly cited journal in the Rehabilitation category of the Thomson Reuters Journal Citation Reports. The 2023 Impact Factor was 3.6. The 2023 Impact Factor was 3.6.
SJR is developed by the Scimago Lab, [5] originated from a research group at the University of Granada. The SJR indicator is a variant of the eigenvector centrality measure used in network theory. Such measures establish the importance of a node in a network based on the principle that connections to high-scoring nodes contribute more to the ...