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5th International ICST Conference on Performance Evaluation Methodologies and Tools

Research Article

Centrality maps and the analysis of city street networks

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  • @INPROCEEDINGS{10.4108/icst.valuetools.2011.245740,
        author={Thomas  Courtat and St\^{e}phane  Douady and Catherine  Gloaguen},
        title={Centrality maps and the analysis of city street networks},
        proceedings={5th International ICST Conference on Performance Evaluation Methodologies and Tools},
        publisher={ICST},
        proceedings_a={VALUETOOLS},
        year={2012},
        month={6},
        keywords={Centrality Simplest distance Street networks City modelling},
        doi={10.4108/icst.valuetools.2011.245740}
    }
    
  • Thomas Courtat
    Stéphane Douady
    Catherine Gloaguen
    Year: 2012
    Centrality maps and the analysis of city street networks
    VALUETOOLS
    ICST
    DOI: 10.4108/icst.valuetools.2011.245740
Thomas Courtat1,*, Stéphane Douady2, Catherine Gloaguen1
  • 1: Orange Labs 38-40 rue du Général Leclerc 92794 Issy-les-Moulineaux, France
  • 2: Laboratoire de Matière et Systèmes Complexes (MSC) UMR CNRS- Université Paris Diderot CC 7056 10 rue Alice Domon et Léonie Duquet 75205 Paris Cedex 13, France
*Contact email: thomas.courtat@orangeftgroup. com

Abstract

Firstly introduced in social science, the notion of centrality has spread to the whole complex network science. A centrality is a measure that quanti es whether an element of a network is well served or not, easy to reach, necessary to cross. This article focuses on cities' street network (seen as a communication network). We rede ne two classical centralities (the closeness and the straightness) and introduce the notion of simplest centrality. To this we introduce a mathematical framework which allows considering a city as a geometrical continuum rather than a plain topological graph. The color plotting of the various centralities permits a visual analysis of the city and to diagnose local malfunctionings. The relevance of our framework and centralities is discussed from visual analysis of French towns and from computational complexity.

Keywords
Centrality Simplest distance Street networks City modelling
Published
2012-06-26
Publisher
ICST
http://dx.doi.org/10.4108/icst.valuetools.2011.245740
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