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Pr&#233;sentationL'&#233;quipe de l'Universit&#233; de Provence de l'UMR 6012 ESPACE accueille &#224; Marseille, les 26 et 27 mai prochains, les renconcontres du Groupe de recherche Europ&#233;en S4, simulation spatiale pour les sciences sociales. Durant ces deux jours se tiendront l'assembl&#233;e g&#233;n&#233;rale de S4 ainsi qu'une session sp&#233;ciale de pr&#233;sentation des activit&#233;s &#34;Inter-groupes&#34; touchant aux avanc&#233;es r&#233;centes dans le domaine de la mod&#233;lisation spatiale. Parmi les probl&#233;matiques soulev&#233;es, figurent    l'&#233;laboration d'ontologies partag&#233;es    le couplage de mod&#232;les, la construction de mod&#232;les &#34;int&#233;gr&#233;s&#34;    l'aide &#224; la d&#233;cision dans un monde complexeLes activit&#233;s des groupes de travail de S4 list&#233;s ci-dessous seront pr&#233;sent&#233;es :    ATINSPAN (M&#233;thodes avanc&#233;es d'analyse spatiale)    ENVISA (Questions environnementales et analyse spatiale)    SIMBAAD (Simulations multi-agents pour l'aide &#224; la d&#233;cision)    SPANGEO2 (R&#233;seaux spatiaux en g&#233;ographie)    MODUS (Mod&#233;lisation de l'espace urbain)    HYPERGEO (encyclop&#233;die &#233;lectronique des concepts de la g&#233;ographie)    COMET (M&#233;thodes collaborative dans les &#233;tudes territoriales)    COS-MA-GEMS (Syst&#232;mes Multi-Agents en g&#233;ographie, &#233;conomie, marketing et sociologie)English version:The University of Provence (UMR ESPACE 6012) hosts in Marseilles, 26-27 May 2011, a two-days meeting of the European Research Group S4, Spatial Simulation for Social Sciences.During this meeting will take place the next S4 general assembly and also the first &#34;Inter-WorkingGroups&#34; special session focused on &#34;Recent Advances in Spatial Modelling&#34;.Key issues, among others, are:    building shared ontologies    model coupling, inter    Guiding decision in a complex worldThe activities of the following Working Groups will be presented:     ATINSPAN (Advanced training in spatial analysis)    ENVISA (Environmental Issues in Spatial Analysis)    SIMBAAD (Simulation Based on Agents to Aid Decision)    SPANGEO2 (Spatial Networks in Geography)    MODUS (Modelling urban space)    HYPERGEO (electronic encyclopedia of geographical concepts)    COMET (Collaborative Methods in Territorial Studies)    COS-MA-GEMS (Multi-agents systems in Geography, economy, marketing and sociology)The following program is subject to modification.May 26, A.M09:15 - 09:30 Welcome and opening, Dr. S&#233;bastien OliveauInter-working groups&#8217; session09:30 - 10:00 HYPERGEO, Prof. Bernard Elissalde (not confirmed)10:00 - 10:15 short presentation of COMET, Dr. Matteo Caglioni (not confirmed)10:15 - 10:45 coffee break10:45 - 11:30 ENVISA, Prof. Mikhail Kanevski11:30 - 12:15 MODUS, Prof. Isabelle Thomas &#38; Dr. C&#233;cile Tannier12:15 - 13:00 GAME, Prof. C&#233;line Rozenblat13:00 - 14:30 lunchMay 26, P.M&#8220;ESPACE &#38; co.&#8221; session14:30 - 15:15 Dr. Giovanni FuscoBayesian modelling for spatial strategic foresight15:15 - 16:00 Dr. Diego Moreno SierraCoupling AB and CA models through proximity graphs for simulating urban dynamics: reticular automata modeling16:00 - 16:30 coffee break16:30 - 17:15 Prof. Alain SandozLandscape dynamics and spatial analysis, understand the interactions between Man and Nature17:15 - 18:00 Dr. Vincent Laperri&#232;reCoupling two individual-based and community-based models for the simulation of plague dynamics19:30 dinner at &#8220;Le Bouchon Proven&#231;al&#8221;, Vieux PortMay 27, A.MInter-working groups&#8217; session09:30 - 10:15 SIMBAAD, Dr. Arnaud Banos10:15 - 11:00 SPANGEO2, Prof. C&#233;line Rozenblat11:00 - 11:30 coffee break11:30 - 12:30 S4 General Assembly12:30 - 14:00 lunchMay 27, P.MWorking groups heads&#8217; session14:00 - 14:45 Prof. Mikhail KanevskiGeomatics at IGAR: achievements and current trends14:45 - 15:30 Dr. Lidia DiappiNon linearities and emergence in urban housing market15:30 - 16:15 Prof. Isabelle Thomas &#38; Prof. Pierre FrankhauserFractal dimension of built-up footprints: buildings versus roads. Some evidences from Antwerp (Belgium)16:15 - 16:45 coffee break16:45 - 17:00 Dr. C&#233;cile Tannier &#38; Prof. Jean-Christophe Folt&#234;te &#38; Xavier GirardetAssessing the capacity of fractal and compact urban forms to avoid the fragmentation of ecological habitats