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Lire les Lignes de la Ville : Méthodologie de caractérisation des graphes spatiaux

Abstract : Cities can be seen as the epitome of complex systems. They arise from a set of interactions and components so diverse that is almost impossible to describe them exhaustively. Amid this diversity, we chose an object which orchestrates the development and use of an urban area : the road network. Following the established work on space syntax, we represent road networks as graphs. From this symbolic representation we can build a geographical object called the way. The way is defined by local rules independently from the direction in which the network is read. This complex object, and several indicators leaned upon it, allows us to carry out deep analysis of spatial networks, independent from their borders. With this methodology, we demonstrate how different road graphs, from various places in the world, show similar properties. We show how such analysis, based on the topological and topographical properties of their road networks, allows us to trace back some aspects of the historical and geographical contexts of city formation. We define a model of temporal differentiation, where the structural changes through time in the network are highlighted. This methodology was thought to be generic so it can be used with several kinds of spatial networks, opening the panel of research applications and future work.
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Contributor : Claire Lagesse Connect in order to contact the contributor
Submitted on : Thursday, December 17, 2015 - 5:52:59 PM
Last modification on : Thursday, March 4, 2021 - 6:58:32 PM


Distributed under a Creative Commons Attribution - NonCommercial - NoDerivatives 4.0 International License


  • HAL Id : tel-01245898, version 1



Claire Lagesse. Lire les Lignes de la Ville : Méthodologie de caractérisation des graphes spatiaux. Géographie. Universite Paris Diderot-Paris VII, 2015. Français. ⟨tel-01245898⟩



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