h-index
The h-index is a variation on citation counting as a measure of impact. It was developed by Jorge Hirsch in 2005 as an index to measure simultaneously the quality and sustainability of scholarly output. A h-index can measure the productivity of an individual, group or institution. It is recognised more as a 'whole of career' measure than standard citation tracking indicates.The h-index is calculated based on the balance between the number of publications and the number of citations per publication. For example a h-index of 20 means the author or group has had 20 publications which received 20 citations or more. The higher the h-index the better.
Both Web of Science and Scopus calculate the h-index where possible.
To learn more about the h-index read the original article by Jorge Hirsch.
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