Dialectics multiagent system to support deliberation

The goal of this research work is the formalization of a justified and collective de- cision by a Multi-Agent System (MAS). Such a system consists of autonomous, congitive and social agents communicating by messages. In this thesis, we assert that the dialogue could be considered as an argumentative process in which parties play and arbitrate to reach an agreement. We propose here a dialectics multiagent system to formalize such a process. This system, entitled DIAL (DIALogue Is an