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Published online 17 July 2008 | Nature | doi:10.1038/news.2008.960
Column: Muse
Who says the Internet broadens your horizons?
Online access to scientific journals can be a mixed blessing, as Philip Ball finds out.
It's a rare scientist these days who does not know his or her citation index, most commonly in the form of the h-index introduced in 2005 by physicist Jorge Hirsch1. Proposed as a measure of the cumulative impact of one's published works, such citation metrics are increasingly being used to evaluate researchers' careers.
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