The h-index was developed by J.E. Hirsch and published in PNAS 102 (46): 16569-16572 November 15 2005.
The h-index is based on a list of publications ranked in descending order by the Times Cited. The value of h is equal to the number of papers (N) in the list that have N or more citations.
This metric is useful because it discounts the disproportionate weight of highly cited papers or papers that have not yet been cited.
For more information and to look for an h-index using Scopus or Publish or Perish link to this Univ. of Michigan Guide.
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