Discovery of suitable web services is a crucial task in Spatial Data Infrastructures (SDI). In this work, we develop a novel approach to the discovery of geoprocessing services (WP...
We consider a set of views stating possibly conflicting facts. Negative facts in the views may come, e.g., from functional dependencies in the underlying database schema. We want ...
Semantic Web research aims at bridging the gap between how humans and agents process information readily available on the Internet. One of the great challenges to this goal lies i...
Business Processes for Web Services (BPEL4WS) are the new paradigms for lightweight enterprise integration. They cross organizational boundaries and are provided by entities that s...
Cancelling or reversing the effect of a former action is a necessity in most interactive systems. The simplest and most frequent form of this facility is the "undo" comma...