The growing diffusion of portable devices enables users to benefit from anytime and anywhere impromptu collaboration. Appropriate policy models that take into account the dynamici...
We prove an upper bound, tight up to a factor of 2, for the number of vertices of level at most in an arrangement of n halfspaces in Rd , for arbitrary n and d (in particular, the...
- Robot companions need to be able to constantly acquire knowledge about new objects for instance in order to detect them in the environment. This ability is necessary since it is ...
Current service discovery and subscription are “provider-centric” indeed, which costs the consumers too many efforts and makes the wide spectrum of QoS hard to use. In this po...
The HCI community currently faces the problem of making tangible user interfaces actively responsive to their user’s current physical context. This paper explores the context of...