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JOURNAL OF INFORMETRICS;
Generalizing the h- and g- indices
van Eck NJ, Waltman L
We introduce two new measures of the performance of a scientist. One measure, referred to as the h(alpha)-index, generalizes the well-known h-index or Hirsch index. The other measure, referred to as the g(alpha)-index, generalizes the closely related g-index. We analyze theoretically the relationship between the h(alpha)-and g(alpha)-indices on the one hand and some simple measures of scientific performance on the other hand. We also study the behavior of the h(alpha)-and g(alpha)-indices empirically. Some advantages of the h(alpha)- and g(alpha)-indices over the h- and g-indices are pointed out. (C) 2008 Elsevier Ltd. All rights reserved.
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MSc L. (Ludo) Waltman
Centre for Science and Technology Studies
Researcher. MSc in Economics & Informatics from Erasmus University Rotterdam (2005). Currently working on a PhD thesis in economics at Erasmus University Rotterdam. Working at CWTS from June 2009. Involved in various science mapping projects. Main research interests are science mapping and ...
Dr. N.J. (Nees Jan) van Eck
Researcher. MSc in Economics & Informatics from Erasmus University Rotterdam (2005). Currently working on a PhD thesis on science mapping at Erasmus University Rotterdam. Working at CWTS from November 2008. Involved in various science mapping projects, and working on the development of science ...