National audiencePossibilistic networks are important tools for modeling and reasoning, especially in the presence of imprecise and/or uncertain information. These graphical models have been successfully used in several real applications. Since their construction by experts is complex and time consuming, several researchers have tried to learn them from data. In this work, we try to present relevant works related to learning possibilistic networks from data. In fact, we give an overview of methods that have already been proposed in this context and limitations of each one of them towards recent researches developed in possibility theory framework.Les réseaux possibilistes représentent des outils importants de modélisation et de rai-sonnemen...