We propose an approach for extending domain knowledge represented in DL ontology by using knowledge extraction methods on ontology assertions. Concept and role assertions are extra...
We introduce a multiple-view tool called AlViz, which supports the alignment of ontologies visually. Ontologies play an important role for interoperability between organizations a...
To ensure access to growing video collections, annotation is becoming more and more important. Using background knowledge in the form of ontologies or thesauri is a way to facilit...
Abstract. One of the key factors for effective personalization of information access is the user context. We propose a framework which integrates several critical elements that mak...
Ontologies, and in particular upper ontologies, are foundational to the establishment of the Semantic Web. Upper ontologies are used as equivalence formalisms between domain speci...
Winston Anderson, Laurette Pretorius, Albert E. Ko...