Renaud Lecoeuche

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Developing dialogue systems is a complex process. In particular, designing efficient dialogue management strategies is often difficult as there are no precise guidelines to develop them and no sure test to validate them. Several suggestions have been made recently to use reinforcement learning to search for the optimal management strategy for specific(More)
In this paper we present our work on requirements elicitation. The elicitation process is a complex task which necessitates computer support. Elicitation systems should ideally help their users check the correctness of the specifications obtained but also actively guide them in the acquisition of the requirements. We consider hereafter systems that(More)
In recent years, the capabilities of knowledge-based systems to communicate with their users have evolved from simple interactions to complex dialogues. With this evolution comes a need to understand what makes a good dialogue. In this paper, we are concerned with dialogue coherence. We review the notion of focus, which partly explains this property, and(More)
Requirements engineering is a complex task which benefits from computer support. Despite the pro­ gress made in automatic reasoning on require­ ments, the tools supporting requirements elicitation remain difficult to use. In this paper we propose a novel approach where a tool's reasoning is intim­ ately linked to the dialogue it has with its users. Because(More)
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