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| Journal Citation Reports× | H-indeks× | |
|---|---|---|
| Fagområde | Bibliometri | Bibliometri |
| Familie | Process / pipeline | Process / pipeline |
| Oprindelsesår≠ | 1975 | 2005 |
| Ophavsperson≠ | Institute for Scientific Information (ISI), now Clarivate Analytics | Jorge Hirsch, University of California San Diego |
| Type≠ | Tool | Metric |
| Oprindelig kilde≠ | Clarivate Analytics. (2024). Journal Citation Reports. Retrieved from https://clarivate.com/webofsciencegroup/solutions/journal-citation-reports/ link ↗ | Hirsch, J. E. (2005). An index to quantify an individual's scientific research output. Proceedings of the National Academy of Sciences USA, 102(46), 16569-16572. DOI ↗ |
| Aliasser≠ | JCR, Clarivate Journal Citation Reports | Hirsch index, h factor, h-number |
| Relaterede | 5 | 5 |
| Resumé≠ | Journal Citation Reports (JCR) is an annual publication by Clarivate Analytics providing comprehensive citation metrics and performance analytics for journals indexed in Web of Science Core Collection. Launched in 1975, JCR publishes Impact Factor, the most widely recognized journal quality metric, alongside supplementary metrics (5-year IF, Journal Citation Indicator, Immediacy Index, Cited Half-Life, and citation distribution analysis). JCR is the authoritative source for journal ranking, benchmarking, and impact assessment in research evaluation systems globally. Access requires institutional subscription, though some institutions provide free access to affiliated researchers. | The h-index, or Hirsch index, is a quantitative metric proposed by physicist Jorge Hirsch in 2005 to measure researcher productivity and citation impact simultaneously. A researcher has an h-index of h if they have published at least h papers, each cited at least h times. For example, an h-index of 20 means the researcher has 20 papers each cited at least 20 times. The h-index is widely used in research evaluation, hiring, and promotion decisions, though experts debate its limitations. It provides a single number balancing quantity of publications against quality of citations, offering an intuitive summary of research career impact. |
| ScholarGateDatasæt ↗ |
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