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A Study of New Classifications of Journal Impact Based on Gh-index

Xu Fang;Yang Liying;Liu Wenbin;Institute of Policy and Management,CAS;Library of Chinese Academy of Sciences;Kent Business School,University of Kent;  
With the increasing investment in RD,research evaluation has become an important tool for ST strategy management.At the micro level,with the regard of researcher's evaluation,many institutes not only concern the number of papers,but also the impact of published journals.In practice,given the limited time and money,a large sample of journal evaluation mainly relies on quantitative indicators,such as the journals' h-index.Regardless of its significance,this study noted that one of the problems of the h-index is its local criteria in selecting the members of the h-core,which causes its values incomparable in classification or rankings.To solve this problem,this study proposes a global h index(e.g.the Gh and Gh_(adj) indicators),further the L_j classification approach of journal impact is proposed based on the Gh_(adj) indicator.From the compare study with other peer review based results,it is found that our rankings are much closer with the COPIOR experts' advice,and more practical.This study could provide useful tools for ST management.
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