H-index was created by Jorge Hirsch, a physical statistician in UCSD, and has been accepted as a more scientific and less unbiased indicator than publication and citation indicator to examine a specific scientist's achievement and even predicate his/her contribution in the future. H-index, basically, identifies how many papers of a given scientist have been cited at least how many times. For instance, the H-index of Ed Witten is 110, indicating that Ed has 110 papers and each paper has been cited at least 110 times.
For more details, please check out the original article
http://www.arxiv.org/abs/0708.0646
Thursday, September 13, 2007
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