Hirsch index as a network centrality measure

Details Hirsch index as a network centrality measure Hirsch index as a network centrality measure

2010-05-26

arxiv.org/abs/1005.4803v2

Physics

Physics and Society

8 pages, 4 figures, typos and references corrected, table I corrected

Scientific paper

We study the h Hirsch index as a local node centrality measure for complex networks in general. The h index is compared with the Degree centrality (a local measure), the Betweenness and Eigenvector centralities (two non-local measures) in the case of a biological network (Yeast interaction protein-protein network) and a linguistic network (Moby Thesaurus II) as test environments. In both networks, the Hirsch index has poor correlation with Betweenness centrality but correlates well with Eigenvector centrality, specially for the more important nodes that are relevant for ranking purposes, say in Search Machine Optimization. In the thesaurus network, the h index seems even to outperform the Eigenvector centrality measure as evaluated by simple linguistic criteria.

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