Abstract
In this paper we propose a system architecture suited observe and analyze user's behaviours in the scope of educative games. The system concerns the observation of autistic child's and enables us to draw conclusions related to her/his behaviour and provide in real time, in personalized way, adequate activities, by taking into account the expert's directives. Our proposition is based on the optimization of the extraction of information from heterogeneous data depending on the context. We have applied our approach to a software environment realized for children with autism according to the needs of a psychiatric team.