On the rich-club effect in dense and weighted networks (CROSBI ID 146118)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Zlatić, Vinko ; Bianconi, G. ; Diaz-Guilera, A. ; Garlaschelli, D. ; Rao, F. ; Caldarelli, G.
engleski
On the rich-club effect in dense and weighted networks
For many complex networks present in nature only a single instance, usually of large size, is available. Any measurement made on this single instance cannot be repeated on different realizations. In order to detect significant patterns in a real-world network it is therefore crucial to compare the measured results with a null model counterpart. Here we focus on dense and weighted networks, proposing a suitable null model and studying the behaviour of the degree correlations as measured by the rich-club coefficient. Our method solves an existing problem with the randomization of dense unweighted graphs, and at the same time represents a generalization of the rich-club coefficient to weighted networks which is complementary to other recently proposed ones.
dense and weighted networks ; null model ; rich-club coefficient
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Podaci o izdanju
67 (3)
2009.
271-275
objavljeno
1434-6028
1434-6036
10.1140/epjb/e2009-00007-9