Modelling Planning and Interaction in the Framework of Human Cooperative Problem Solving

This article deals with a human model of cooperative problem solving based on a psychological experimentation.Ourmain goal is to improve the design of openmultiagent systems able to interact with human beings.Weaim at analyzing, modelling and simulating human capabilities of planning and interacting in a cooperative problem solving context. Our planning model uses the BDI concepts extended with the notions of phases, states of mind, strategies and tactics. Our interaction model is twofold: 1) it is based on the Speech Act theory to represent the utterances; 2) it uses a discourse model, represented by timed automata, to describe the dynamics of human conversations. This paper goes on to present an original architecture called BDIggy where interaction and planning are linked homogeneously.