Some comments on the journal weighted impact factor proposed by Habibzadeh and Yadollahie |
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| Authors: | Ludo Waltman Nees Jan van Eck |
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| Institution: | aEconometric Institute, Erasmus School of Economics, Erasmus University Rotterdam, P.O. Box 1738, 3000 DR Rotterdam, The Netherlands |
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| Abstract: | In a recent paper in the Journal of Informetrics, Habibzadeh and Yadollahie Habibzadeh, F., & Yadollahie, M. (2008). Journal weighted impact factor: A proposal. Journal of Informetrics, 2(2), 164–172] propose a journal weighted impact factor (WIF). Unlike the ordinary impact factor, the WIF of a journal takes into account the prestige or the influence of citing journals. In this communication, we show that the way in which Habibzadeh and Yadollahie calculate the WIF of a journal has some serious problems. Due to these problems, a ranking of journals based on WIF can be misleading. We also indicate how the problems can be solved by changing the way in which the WIF of a journal is calculated. |
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| Keywords: | Impact factor Weighted impact factor Journal Citation |
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