Sunday, October 28, 2012

What is h*-index?

With citation* profiles calculated for the articles of an author, we can define his h*-index. The h*-index is defined simply in the same as the h-index, just in the calculations we use the citation* values instead of citations. To be precise, the h*-index of an author at a year is H, if H is the maximum number for which he has H number articles which have a citation* index greater or equal to H in that year. The h*-index profile of an author is the time series of his h*-index values from the year he has published his first article.

For example, if an author has five articles in 2012 with citation* indices of 3.00, 2.05, 1.05, 0.54, and 1.95 in 2012 respectively,  his h*-index(2012) will be 2.

In the next blog post, an example of how to calculate the h*-index and the h*-index profile of an author will be provided.

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