Data cubes for OLAP (Online Analytical Processing) often need to be constructed from data located in several distributed and autonomous information sources. Such a data integratio...
The information that is made available through the semantic web will be accessed through complex programs (web-services, sensors, etc.) that may interact in sophisticated ways. Com...
Ronny Siebes, David Dupplaw, Spyros Kotoulas, Adri...
Already in the early 14th century, the philosopher William of Ockham created the philosophical principle known as Ockham’s Razor, which can be translated from Latin as ”entiti...
ally related entity types, or classes, into higher level, more abstract types, as part of a hierarchical classi®cation scheme. graphy, generalization retains the notion of abstrac...
Web applications can be classified as hybrids between hypermedia and information systems. They have a relatively simple distributed architecture from the user viewpoint, but a comp...