Scimago Institution Ranking SIR Indicator

Scimago Institution Ranking SIR Indicator

The SJR indicator: A new indicator of journals’ scientific prestige
Borja González-Pereiraa, Vicente P. Guerrero-Boteb and Félix Moya-Anegónc.
a SRG SCImago Research Group.
b University of Extremadura, Department of Information and Communication, Scimago Group, Spain.
c CSIC, CCHS, IPP, Scimago Group Spain.

Abstract

This paper proposes an indicator of journals’ scientific prestige, the SJR indicator, for ranking
scholarly journals based on citation weighting schemes and eigenvector centrality to be used in complex and heterogeneous citation networks such Scopus. Its computation methodology is described and the results after implementing the indicator over Scopus 2007 dataset are compared to an ad-hoc Journal Impact Factor both generally and inside specific scientific areas. The results showed that SJR indicator and JIF distributions fitted well to a power law distribution and that both metrics were strongly correlated, although there were also major changes in rank. There was an observable general trend that  might indicate that SJR indicator values decreased certain JIF values whose citedeness was greater than would correspond to their scientific influence.  Keywords SJR indicator, academic journals, journal prestige, eigenvector centrality, citation networks

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— Scimago Institution Ranking SIR Indicator —

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