A formal model of emotional pedagogical agents in intelligent tutoring systems

After discussing and formalizing domain knowledge representation and user models, a formal model of emotional pedagogical agents in intelligent tutoring systems is presented in this paper, and the functionalities of model are described in detail. This kind of emotional pedagogical agent considers users' emotional statues during the process of producing personalized learning units dynamically based on the information provided by user models and domain knowledge, in order to improve the self-adaptability and pedagogical effects of the system.