Applying centrality measures to impact analysis: A coauthorship network analysis

Details Applying centrality measures to impact analysis: A coauthorship network analysis Applying centrality measures to impact analysis: A coauthorship network analysis

2010-12-22

arxiv.org/abs/1012.4862v1

Computer Science

Digital Libraries

17 pages, 4 figures

Scientific paper

Many studies on coauthorship networks focus on network topology and network statistical mechanics. This article takes a different approach by studying micro-level network properties, with the aim to apply centrality measures to impact analysis. Using coauthorship data from 16 journals in the field of library and information science (LIS) with a time span of twenty years (1988-2007), we construct an evolving coauthorship network and calculate four centrality measures (closeness, betweenness, degree and PageRank) for authors in this network. We find out that the four centrality measures are significantly correlated with citation counts. We also discuss the usability of centrality measures in author ranking, and suggest that centrality measures can be useful indicators for impact analysis.

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