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Analysis of the ch-index: an indicator to evaluate the diffusion of scientific research output by citers

Analysis of the ch-index: an indicator to evaluate the diffusion of scientific research output by citers,10.1007/s11192-010-0165-0,Scientometrics,Fior

Analysis of the ch-index: an indicator to evaluate the diffusion of scientific research output by citers   (Citations: 4)
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This paper focuses the attention on the ch-index, a recent bibliometric indicator similar to the Hirsch (h) index, to evaluate the published research output of a scientist (Ajiferuke and Wolfram, Proceedings of the 12th international conference of the international society for scientometrics and informetrics. Rio de Janeiro, pp. 798–808, 2009). Ch-index is defined as the number such that, for a general group of scientific publications, ch publications are cited by at least ch different citers while the other publications are cited by no more than ch different citers. The basic difference from the classical h is that, according to ch, the diffusion of one author’s publication is evaluated on the basis of the number of different citing authors (or citers), rather than the number of received citations. The goal of this work is to discuss the pros and cons of ch and identify its connection with h. A large sample of scientists in the Quality Engineering/Management field are analyzed so as to investigate the novel indicator’s characteristics. Then, the analysis is preliminarily extended to other scientific disciplines. The most important result is that ch is almost insensitive to self-citations and/or citations made by recurrent citers, and it can be profitably used for complementing h.
Journal: Scientometrics , vol. 85, no. 1, pp. 203-217, 2010
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    • ...Another tangible sign of the popularity of h is the appearance of many proposals for new variants and improvements (Banks 2006; Batista et al. 2006; Braun et al. 2006; BiHui et al. 2007; Burrell 2007; Katsaros et al. 2007; Sidiropoulos et al. 2007; Antonakis and Lalive 2008; Woeginger 2008; Franceschini and Maisano 2009; Lehmann et al. 2010; Schreiber 2010; Franceschini et al. 2010)...

    Fiorenzo Franceschiniet al. Bibliometric positioning of scientific manufacturing journals: a compa...

    • ...For more on the merits and weak points of h and the large number of proposals for new variants and improvements, we refer the reader to the vast literature and extensive reviews (Braun et al. 2006; Gla¨nzel 2006; Rousseau 2008; Egghe 2010; Franceschini and Maisano 2010a; Franceschini and Maisano 2010b)...

    Fiorenzo Franceschiniet al. Criticism on the

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