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Article Dans Une Revue Advances in Complex Systems (ACS) Année : 2007

The role of geography and traffic in the structure of complex networks

Résumé

We report a study of the correlations among topological, weighted and spatial properties of large infrastructure networks. We review the empirical results obtained for the air transportation infrastructure that motivates a network modeling approach which integrates the various attributes of this network. In particular we describe a class of models which include a weight-topology coupling and the introduction of geographical attributes during the network evolution. The inclusion of spatial features is able to capture the appearance of non-trivial correlations between the traffic flows, the connectivity pattern and the actual distances of vertices. The anomalous fluctuations in the betweenness-degree correlation function observed in empirical studies are also recovered in the model. The presented results suggest that the interplay between topology, weights and geographical constraints is a key ingredient in order to understand the structure and evolution of many real-world networks.
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Dates et versions

hal-00165340 , version 1 (25-07-2007)

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Marc Barthelemy, Alain Barrat, Alessandro Vespignani. The role of geography and traffic in the structure of complex networks. Advances in Complex Systems (ACS), 2007, 10 (1), pp.5. ⟨10.1142/S021952590700091X⟩. ⟨hal-00165340⟩
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