Journal Citation Reports are an immensely useful tool and can help with identifying:
– journals with the greatest total cites and the highest impact in your field
– journals relevant to your research and those in which it would be desirable to publish
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Each edition of Journal Citation Reports (JCR) is published annually following the year of coverage – and the latest 2008 edition has recently become available.
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There are two different editions:Â the Science Edition covering more than 6,400 science journals, and the Social Sciences Edition, covering more than 1,800 social sciences journals.
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As usual the latest edition includes:
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- Journal Impact Factors: the frequency with which the “average article” in a journal has been cited in a particular year. Helps evaluate a journal’s relative importance in a given field
- Total Cites: tells you which journals are most frequently cited. Journals are ranked by the number of times they are cited in a given year; gives an indication of assessment of journals by scholars who have responded to the items published
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Recently, extra useful metrics have been added:
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- Five-Year Impact Factor – Gives a broader range of citation activity for a more informative snapshot over time. For journals in subjects where citation activity continues to rise through several years, this allows more of their total citation activity to be included in a critical performance metric.
- EigenfactorTM Metrics, comprised of the EigenfactorTM Score and Article InfluenceTM Score, are designed to reflect the prestige and citation influence of journals by considering scholarly literature as a network of journal-to-journal relationships.   Find out more about how to interpret these scores at: http://www.eigenfactor.org/faq.htm  Â
- Graphic Displays of Impact Factor “Box Plots” – A graphic interpretation of how a journal ranks in different categories.
- Rank-in-Category Tables for Journals Covering Multiple Disciplines – Allows a journal to be seen in the context of multiple categories at a glance rather than only a single one.
- Journal “Self Citations” – An analysis of journal self citations and their contribution to the Journal Impact Factor calculation.
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To find out more read the JCR Fact Sheet.
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To search JCR, logon to the University Portal, and then from the “A-Z list of online resources” select Journal Citation Reports.Â
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JCR is also integrated with Web of Science, so after a search on Web of Science when viewing an individual article record you can link directly to JCR to quickly check the source journal’s impact factor, and other metrics.
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Clare Allan
Library Liaison and Training Team