While the problem of tracking 3D human motion has been widely studied, most approaches have assumed that the person is isolated and not interacting with the environment. Environme...
This paper aims to provide an experimental vision of the process of course creation using learning objects obtained in the <e-aula> project, a pilot e-learning system concei...
Legitimacy is a key part of the social requirements specification for a trusted virtual community environment (VCE). If an environment is not seen as legitimate, social conflicts m...
It is now possible to turn almost any object into an interface. What one must do, however is to explore the user’s needs and perceptions in order to create the metaphors necessa...
We present an extension to the definition of a concept in an ontology that allows an agent to simultaneously communicate with a group of agents that might have different understa...