The problem of answering queries using views is to find efficient methods of answering a query using a set of previously materialized views over the database, rather than accessin...
Network-based information systems use well-defined standards to ensure interoperability and also have a tightly coupled relationship between their internal data representation an...
Nickolas J. G. Falkner, Paul D. Coddington, Andrew...
Traditional content based publish/subscribe (pub/sub) systems allow users to express stateless subscriptions evaluated on individual events. However, many applications such as moni...
Alan J. Demers, Johannes Gehrke, Mingsheng Hong, M...
Database queries, in particular, event-driven continuous queries, are useful for many pervasive computing applications, such as video surveillance. In order to enable these applic...
Human Probes, which are human integrated or embedded with sensors, allow the acquisition of a variety of contextual information, facilitate collaborative information sharing and co...