In this paper we present SEMA tool for the automatic mapping of ontologies. The main purpose of SEMA is to locate one to one equivalence correspondences (mappings) between elements...
Vassilis Spiliopoulos, Alexandros G. Valarakos, Ge...
Despite significant advancement in ontology learning, building ontologies remains a task that highly depends on human intelligence, both as a source of domain expertise and for pro...
In this paper we consider the problem of answering queries using views, with or without ontological constraints, which is important for data integration, query optimization, and d...
Ontologies play an important role in the Semantic Web. Currently, several Web ontology languages have been proposed and there has been a substantial effort towards the formalizat...
In open heterogeneous multi-agent systems, communication is hampered by lack of common ontologies. Ontologies may differ in naming conventions, granularity and scope. In such an en...
Jurriaan van Diggelen, Robbert-Jan Beun, Frank Dig...