Source: https://libraryguides.missouri.edu/researchidentity/hindex
Maximizing your research identity and impact
h-index for researchers-definition
- The h-index is a measure used to indicate the impact and productivity of a researcher based on how often his/her publications have been cited.
- The physicist, Jorge E. Hirsch, provides the following definition for the h-index:
A scientist has index h if h of his/her Np papers have at least h citations each, and the other (Np − h) papers have no more than h citations each. (Hirsch, JE (15 November 2005) PNAS 102 (46) 16569-16572) - A researcher with an h-index of 6 has published six papers that have been cited at least six times by other scholars. This researcher may have published more than six papers, but only six of them have been cited six or more times.
Caveat
Whether or not a h-index is considered strong, weak or average depends on the researcher's field of study and how long they have been active. The h-index of an individual should be considered in the context of the h-indices of equivalent researchers in the same field of study.
h-index for journals
Definition: The h-index of a publication is the largest number h such that at least h articles in that publication were cited at least h times each. For example, a journal with a h-index of 20 has published 20 articles that have been cited 20 or more times.
Available from:
Caveat
Caveat
Whether or not a h-index is considered strong, weak or average depends on the discipline the journal covers and how long it has published. The h-index of a journal should be considered in the context of the h-indices of other journals in similar disciplines.
Computing your own h-index
In a spreadsheet, list the number of times each of your publications has been cited by other scholars.
Sort the spreadsheet in descending order by the number of times each
publication is cited. Then start counting down until the article
number is equal to or not greater than the times cited.
Article Times Cited
1 50
2 15
3 12
4 10
5 8
6 7 ===>h index is 6
7 5
8 1
Ways to increase your h-index
How to successfully boost your h-index (enago academy, 2019)
Limitations of the h-index
Glänzel, Wolfgang On the Opportunities and Limitations of the H-index., 2006
Variations of the h-index
h5-index
- h-index based upon data from the last 5 years
i-10 index
- i-10 index is the number of articles by an author that have at least ten citations.
- i-10 index was created by Google Scholar.
m-index
- Used to compare researchers with different lengths of publication history
- m-index = ___________h-index_______________
# of years since author’s 1st publication
Using Scopus to find an researcher's h-index
Scopus
The h-index is in the Scopus author profile.
Step 1: Search by author
Step 2: Go to author profile
Step 3: View author profile
Additional resources for finding a researcher's h-index
Web of Science Core Collection or Web of Science All Databases
- Perform an author search
- Create a citation report for that author.
- The h-index will be listed in the report.
Set up your author profile in the following three resources. Each resource will compute your h-index. Your h-index may vary since each of these sites collects data from different resources.
- Google Scholar Citations
Computes h-index based on publications and cited references in Google Scholar. - Researcher ID
- Computes h-index based on publications and cited references in the last 20 years of Web of Science.
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