Thomson Reuters Releases 2008 Journal Citation Reports

    New Titles and Metrics Include Five Year Impact Factor and
Eigenfactor(TM) Metrics

    PHILADELPHIA and LONDON, June 22 /PRNewswire/ -- The Healthcare & Science
business of Thomson Reuters today announced the release of the 2008 Journal
Citation Reports, available to subscribers of the JCR. These metrics have come
to define journal performance across disciplines and institutions worldwide.
The 2008 JCR contains more than 400 new titles, including more than 350 titles
that will have their first published Journal Impact Factor.

    The release of the 2008 Journal Citation Reports includes the first-ever
update to the newly introduced Five Year Impact Factor and Eigenfactor(TM)
Metrics in JCR Web. Eigenfactor(TM) Metrics use citing journal data from the
entire JCR file to reflect the prestige and citation influence of journals by
considering scholarly literature as a network of journal-to-journal

    "The research community anticipates the annual release of JCR as it
always means new discovery," said James Testa, Senior Director, Editorial
Development and Publisher Relations at Thomson Reuters. "The addition of new
metrics such as the Five Year Impact Factor is a reflection of our commitment
to providing publishers and scholars with tools that allow a more multifaceted
understanding of a journal's place in the world."

    JCR presents quantitative data that provide an objective way to evaluate
the world's leading journals and their impact and influence in the global
research community. In addition to the benefits these metrics offer to authors
and institutions, JCR and Impact Factors may be used by publishers to
benchmark journal performance against competitors to create a better focused
market strategy.

    JCR covers more than 8,000 of the world's most highly cited,
peer-reviewed journals from 66 nations. The production of the 2008 JCR
included the analysis of more than 44 million cited references from journals,
and proceedings. For more information on Journal Citation Reports, please

    About Thomson Reuters
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media markets, powered by the world's most trusted news organization. With
headquarters in New York and major operations in London and Eagan, Minnesota,
Thomson Reuters employs more than 50,000 people in 93 countries. For more
information, go to


For further information:

For further information: Sue Besaw, Healthcare & Science of Thomson
Reuters, +1-215-823-1840, Web Site:

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