The class of unions of conjunctive queries (UCQ) has been shown to be particularly well-behaved for data exchange; its certain answers can be computed in polynomial time (in terms...
In traditional computer games, it is not uncommon for the game world to be inhabited by numerous computergenerated characters, Non-Player Characters (NPCs). In pervasive games, pl...
We present a system that enables applications to discover and obtain information that describes the context of a particular entity (e.g., a user or a device). Our system revolves ...
—The key feature of many emerging pervasive computing applications is to proactively provide services to mobile individuals. One major challenge in providing users with proactive...
This paper discusses the problem of content adaptation for mobile devices. The adaptation considers the context of the client and also the environment where the client request is ...