Document (#35419)

Author

Zhang, C.-T.

Title

Relationship of the h-index, g-index, and e-index

Source

Journal of the American Society for Information Science and Technology. 61(2010) no.3, S.625-628

Year

2010

Series

Brief communications

Abstract

Of h-type indices available now, the g-index is an important one in that it not only keeps some advantages of the h-index but also counts citations from highly cited articles. However, the g-index has a drawback that one has to add fictitious articles with zero citation to calculate this index in some important cases. Based on an alternative definition without introducing fictitious articles, an analytical method has been proposed to calculate the g-index based approximately on the h-index and the e-index. If citations for a scientist are ranked by a power law, it is shown that the g-index can be calculated accurately by the h-index, the e-index, and the power parameter. The relationship of the h-, g-, and e-indices presented here shows that the g-index contains the citation information from the h-index, the e-index, and some papers beyond the h-core.

Theme

Informetrie

Object

h-index
g-index
e-index

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5. Schreiber, M.: Fractionalized counting of publications for the g-Index (2009) 0.26

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