International audienceIn NLP, A traditional distinction opposes the linguistically-based systems and the knowledge-poor ones which mainly rely on surface clues. Each approach has its drawbacks and its advantages. In this paper, we propose a new method which is based on Bayes Networks and allows to combine both types of information. As a case study, we focus on the specific task of pronominal anaphora resolution which is known as a difficult NLP problem. We show that our bayesian system performs better than state-of-the art anaphora resolution ones