| Distribution: Public Status: Final (2008) | |||||||||||||||
Abstract | |||||||||||||||
| This document addresses Knowledge Representation issues for the development of COMPANIONS, which are seen as Embodied Conversational Agents possessing cognitive abilities that make them believable, as well as user-friendly, in their role of assistants to daily activities. We first review the knowledge models implemented in assistive cognitive systems and draw conclusions on the possibility to unify the representation of user activities and domain knowledge used Planning technologies. We then introduce our choice of Planning formalism and how it could support multiple modes of interventions for a COMPANION. Representing user tasks and activities may not suffice to capture the complexity of certain domains, which require additional modelling in the traditional knowledge acquisition sense, so as to support domain inference in those areas where COMPANIONS are meant to assist (such as elementary “Medical ” knowledge in the area of Healthy lifestyles). Finally, because COMPANIONS are meant to be embodied and situated in the user’s environment, it is necessary to discuss how their knowledge representations can be | |||||||||||||||
Publication details | |||||||||||||||
| |||||||||||||||