This paper discusses some modeling issues concerning the communication between goal-directed agents. In particular, the role of performatives in agent communication is discussed. I...
With the consolidation of the Internet and other computer networks, the need of sophisticated systems to retrieve information increased enormously. In these networks, information ...
Rafael T. de Sousa Jr., Alexandre C. V. de Oliveir...
Policy-driven negotiations are gaining interest among the research community. A large number of policy languages with different expressiveness have been developed in order to suit...
In this paper we enrich FIEVeL (a modelling language for institutions amenable to model checking) with new constructs to describe norms and sanctions. Moreover, we present a speciï...
In this paper we present our work toward the creation of a multimodal expressive Embodied Conversational Agent (ECA). Our agent, called Greta, exhibits nonverbal behaviors synchro...