Clustering under constraints is a recent innovation in the artificial intelligence community that has yielded significant practical benefit. However, recent work has shown that fo...
We analyze the concept of focus in speech and the relationship between focus and speech acts for prosodic generation. We determine how the speaker's utterances are influenced...
This work is motivated by the task of describing in natural language a concept defined in an OWL DL ontology. However, rather than focussing on linguistic issues, we address the q...
This paper compares the properties of physical and digital workspaces in the context of a prototype of a collaborative virtual environment that has been developed with reference to...
In increasingly networked times, CSCW systems have become more common. In most of these, individuals work collaboratively from their personal computer terminals, unaware of their p...