Mise en œuvre pratique de réseaux possibilistes pour modéliser la spécialisation sociale dans les espaces métropolisés Practical issues of possibilistic networks for modeling social specialization within metropolitan areas

Social specialization of districts within a metropolitan area is a major stake for public policies. Modeling these imperfectly known dynamics makes it possible to explore development scenarios. Possibilistic networks offer a modeling approach which is well suited to dealing with an uncertain knowledge of the specialization process. Their practical application requires the specification of conditional possibilities, which, like in the probabilistic case, may be simplified by means of uncertain (and, or, max, . . .) logical gates. The interest of such tools is illustrated on a simplified example of a possibilitic network for the modeling of social specialization within the Marseilles metropolitan area.

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