These last years, the evolution of nomadic terminals and mobile networks has yield to the development of the ubiquitous computing. In this context, actual query evaluation and opt...
In this paper, a dynamic approach to deductive query evaluation is presented which combines the e ects of di erent SIP strategies used for the magic set rewriting technique. Given...
— We compare the performance of various dynamic query abolishment mechanisms in different unstructured overlay network topologies such as found in several P2P systems. We speciï¬...
We designed, implemented and evaluated a new concept for direct manipulation of databases, called dynamic queries, that allowsuserstoformulatequerieswithgraphicalwidgets,such as s...
Christopher Ahlberg, Christopher Williamson, Ben S...
Most recent research on querying and managing data streams has concentrated on traditional data models where the data come in the form of tuples or XML data. Complex types of strea...