A web portal is a platform for information presentation and information exchange over the Internet in a community of interest. Conventional web technologies used in web portals pr...
Dieter Fensel, Holger Lausen, Michael Stollberg, R...
In this paper we argue that a realistic architecture for the Semantic Web must be based on multiple independent, but interoperable, stacks of languages. In particular, we argue tha...
Michael Kifer, Jos de Bruijn, Harold Boley, Dieter...
WSML is an ontology language specifically tailored to annotate Web Services, and part of its semantics adheres to the rule-based knowledge representation paradigm of logic program...
Stephan Grimm, Uwe Keller, Holger Lausen, Gá...
An ontology of observation and measurement is proposed, which models the relevant information processes independently of sensor technology. It is kept at a sufficiently general lev...
This paper presents an architecture that helps users to collect and qualify meta-information about web resources within a weblog and then share them with a group of people. Our arc...