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期刊论文

Extended Clustering Coefficients of Small-World Networks

肖文俊Wenjun Xiao Yong Qin and Behrooz Parhami

ICCS 2007, Part IV, LNCS 4490, pp. 67-73, 2007.,-0001,():

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摘要/描述

The clustering cofficient C of a network, Which is a measure of direct conuectivity between neighbors of the various nodes, ranges from O (for no connectivity) to 1 (for full connectivity). We define ex-tended clustering coefficients C (h) of a small-world network based on nodes that are at distance h from a source node, thus generalizing distance-1 neighborhoods employyed in computing the ordinary cluster-ing coefficient C = C(1). Based on known results about the distance distribution Pb(h) in a network, that is, the probability that a randomly chosen pair of vertices have distance h, we derive and experimentally validate the law Ps(h)C(h)< clogN/N, where c is a small constant that seldom exceeds 1. This result is significant because it shows that the product Ps(h)C(h) is upper-bouded by a value that is considerably smaller than the product of maximum values for Pb(h) and C(h).

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