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  1. Article

    Open Access

    Elementary processes governing the evolution of road networks

    Urbanisation is a fundamental phenomenon whose quantitative characterisation is still inadequate. We report here the empirical analysis of a unique data set regarding almost 200 years of evolution of the road ...

    Emanuele Strano, Vincenzo Nicosia, Vito Latora, Sergio Porta… in Scientific Reports (2012)

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  2. No Access

    Article

    Co-evolution of Density and Topology in a Simple Model of City Formation

    We study the influence that population density and the road network have on each others’ growth and evolution. We use a simple model of formation and evolution of city roads which reproduces the most important...

    Marc Barthélemy, Alessandro Flammini in Networks and Spatial Economics (2009)

  3. Article

    Open Access

    Predictability and epidemic pathways in global outbreaks of infectious diseases: the SARS case study

    The global spread of the severe acute respiratory syndrome (SARS) epidemic has clearly shown the importance of considering the long-range transportation networks in the understanding of emerging diseases outbr...

    Vittoria Colizza, Alain Barrat, Marc Barthélemy, Alessandro Vespignani in BMC Medicine (2007)

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  4. No Access

    Chapter and Conference Paper

    Traffic-Driven Model of the World Wide Web Graph

    We propose a model for the World Wide Web graph that couples the topological growth with the traffic’s dynamical evolution. The model is based on a simple traffic-driven dynamics and generates weighted directe...

    Alain Barrat, Marc Barthélemy… in Algorithms and Models for the Web-Graph (2004)