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Title: Impact of community structure on information transfer
Author: Danon, Leon
Arenas, Àlex
Díaz Guilera, Albert
Keywords: Enginyeria biomèdica
Biomedical engineering
Issue Date: 2008
Publisher: The American Physical Society
Abstract: The observation that real complex networks have internal structure has important implication for dynamic processes occurring on such topologies. Here we investigate the impact of community structure on a model of information transfer able to deal with both search and congestion simultaneously. We show that networks with fuzzy community structure are more efficient in terms of packet delivery than those with pronounced community structure. We also propose an alternative packet routing algorithm which takes advantage of the knowledge of communities to improve information transfer and show that in the context of the model an intermediate level of community structure is optimal. Finally, we show that in a hierarchical network setting, providing knowledge of communities at the level of highest modularity will improve network capacity by the largest amount.
Note: Reproducció del document publicat a:
It is part of: Physical Review E, 2008, vol. 77, núm. 3, p. 036103-1-036103-6
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ISSN: 1063-651X
Appears in Collections:Articles publicats en revistes (Física de la Matèria Condensada)

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