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« NCBI Lecture and Hands-On Computer Workshops | Main | PLoS Genetics Launched - Major New Open Access Journal »

July 28, 2005

Journal Citation Reports: 2004 data now available

The 2004 data is now available for Journal Citation Reports. Among other stats, this means the 2004 Impact Factors for the journals indexed by ISI are now available.

What does this mean, "2004 Impact Factors"? The Impact Factor is value that is often used as a measure of the worth of a journal. It is calculated from the number of articles that where published in 2004 that cited articles published in 2003 or 2002 in a particular journal. The higher an Impact Factor, the more cited a journal is, and, presumably, the higher it's impact (importance) in a particular field. Many squabble with the way IFs, but they are often used as a measure of the worth of a journal!

JCR also has been upgraded with enhancements that expand its analytical capabilities beyond the journal level to include categories, making it easier for users to spot trends in journal coverage and facilitate collection management decisions.

Enhancements include:

Access the JCR now...

Posted by at July 28, 2005 10:40 AM