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What is the h-index?
- proposed by JE Hirsch in 2005
- a tool to measure an author's productivity and impact of published work
- is based on the researcher's most cited papers and the number of citations that they have received (were these two numbers meet)
- to calculate:
- organize articles in descending order (most cited to least cited)
- see where the two numbers meet, article 6 was cited at least 6 times (see graphic below)
Let's look at Albert's h-index
Calculating Albert's h-index
To calculate Albert's h-index we need to:
- Collect all of Albert's pupblications.
- Put the publications in order from highest citation count to lowest count.
- Determine where the number of publications (h) and the citation counts meet.
Have I published one publication with at least one citation count? Have I published two publications with at least two citation counts? Continue to ask the question until you can't answer yes to the question.
Below are Albert's 8 scientific publications in order by citation count:
Publications No. of citations
Publication 1 15
Publication 2 12
Publication 3 12
Publication 4 8
Publication 5 7
Publication 6 6
Publication 7 5
Publication 8 4
- Albert has a total of 8 publications; 6 publications have at least 6 citations:
Discover your h-index (video)
Find your h-index in Symplectic?
Anyone with a profile in Symplectic can easily find their h-index. This is based on the claimed publications in a person's profile.
- First make sure that all of your complete list of publications (journal articles) are in the profile. Claim or reject all pending publications (please note you will need to wait a day for the h-index to recalculate).
- Go the the Home tab, under My Summary refer to the h-index box. The h-index reported in the three resources:
- Dimensions-a new tool purchased by Cincinnati Children's
- Europe PMC
How can I find my h-index one database at a time?
Click on the link above and logon to UC.
In Scopus, click on the Author search tab. Enter the author's last name, first name or initials and click on the search icon.
Check the boxes next to the names that match the author that you need and click Show documents.
Make sure that all of the articles listed are the correct and check the boxes.
If all the articles are correct check the Select all box and click on View Citation overview.
The h-index can be found to the right of the citations.
You can see your h-index in Google (using your gmail) account by creating a profile of all your articles found in Google Scholar. You will also be able to see how many times the articles have been cited by other documents in Google Scholar. You make your profile public or private.
To get an idea of what it looks like here is Albert Einstein's h-index.
*Please note that databases like Scopus and Web of Science include the h-index but do not index every journal. Depending on the discipline you may be better off using one database over the other.