Despite the fact that adaptive hypermedia techniques have proven their ability to provide user guidance and orientation in hyperspace, we do not currently see the widespread adopti...
Setting up runtime security policies as required for firewalls or as envisioned by policy languages for the Semantic Web is a difficult task, especially for lay users who have l...
\Web users are nowadays confronted with the huge variety of available information sources whose content is not targeted at any specific group or layer. Recommendation systems aim...
The development of collaborative environments that not only manage information and communication, but also support the actual work processes of organisations is very important. XML...
We consider the problem of query containment over an object data model derived from F-logic. F-logic has generated considerable interest commercially, in the academia, and within ...