New Features in Journal Citation Reports 2007

The newest release of JCR 2007 provides new metrics to evaluate journals:

  • 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.
  • Eigenfactor™, also a five-year metric, is designed to reflect the prestige and citation influence of journals by considering scholarly literature as a network of journal-to-journal relationships.
  • 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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