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H-Index


The h-index is an index that attempts to measure both the productivity and impact of the published work of a scientist or scholar. The index is based on the set of the scientist's most cited papers and the number of citations that they have received in other publications.

A researcher's h-index can be calculated manually by locating citation counts for all published papers and ranking them numerically by the number of times cited. However, Web of Science, Scopus and Google Scholar can also be used to calculate an h-index.

Key h-index tools

Scopus and Web of Science collect and organize citation counts and can calculate an individual’s h-index. Likewise, Google Scholar collects citations and calculates and author's via Google Scholar Citation. However, each source may determine a different value of the h-index for each individual. Sometimes the variation in the h-index between sources can be large.

  • Scopus - multi-disciplinary citation database of peer-reviewed literature with tools to track, analyze and visualize research
  • Web of Science - use the Author Finder option to search this multi-disciplinary citation database of peer-reviewed literature with tools to track, analyze and visualize research

  • Google Scholar Citations - provides a simple way to check who is citing your publications and graph citations over time
    • To determine the h-index of a researcher, organize articles in descending order, based on the number of times they have been cited. Thus, if an individual has eight papers that have been cited 33, 30, 20, 15, 7, 6, 5 and 4 times, the individual’s h-index would be 6. The first paper 33, gives us a 1 – there is one paper that has been cited at least once, the second paper gives a 2, there are two papers that have been cited at least twice, the third paper, 3 and all the way up to 6 with the sixth highest paper –the final two papers have no effect in this case as they have been cited less than six times (Ireland, MacDonald & Stirling, 2013).
  Articles

Citation numbers

  1
2
3
4
5
6
7
8
33
30
20
15
7
6 = H-index
5
4
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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