Randomization Procedure and Rich-club Coefficient (CROSBI ID 560856)
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Caldarelli, Guido ; Zlatić, Vinko
engleski
Randomization Procedure and Rich-club Coefficient
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.
complex networks; rich-club coefficient; weighted networks
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Podaci o skupu
International workshop and conference on network science NetSci 2009
predavanje
29.06.2009-03.07.2009
Venecija, Italija