New Journal of Physics

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Deutsche Physikalische Gessellschaft IOP Institute of Physics
New Journal of Physics Volume 9 June 2007 Create an alert RSS this journal

V Latora and M Marchiori 2007 New J. Phys. 9 188 doi:10.1088/1367-2630/9/6/188

A measure of centrality based on network efficiency

Focus on Complex Networked Systems: Theory and Application

V Latora1,3 and M Marchiori2

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Abstract References Cited By

Part of Focus on Complex Networked Systems: Theory and Application

We introduce delta centralities, a new class of measures of structural centrality for networks. In particular, we focus on a measure in this class, the information centrality CI, which is based on the concept of efficient propagation of information over the network. CI is defined for both valued and non-valued graphs, and applies to groups as well as individuals. The measure is illustrated and compared with respect to the standard centrality measures by using a classic network data set. The statistical distribution of information centrality is investigated by considering large computer generated graphs and two networks from the real world.


PACS

89.65.-s Social and economic systems

89.70.-a Information and communication theory

89.75.Hc Networks and genealogical trees

Subjects

Statistical physics and nonlinear systems

Dates

Issue 6 (June 2007)

Received 9 February 2007

Published 28 June 2007



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