Abstract. An ontology is a model of a domain of knowledge. The knowledge that is captured in an ontology can be used for providing interoperability, sharing of information and redu...
Answering queries over ontologies is an important issue for the Semantic Web. Aggregate queries were widely studied for relational databases but almost no results are known for ag...
Diego Calvanese, Evgeny Kharlamov, Werner Nutt, Ca...
Interoperability among systems using different term vocabularies requires mappings between them. Matching applications generate these mappings. When the matching process utilizes ...
Deborah L. McGuinness, Pavel Shvaiko, Fausto Giunc...
Recently the field of Web services has gained focus both in industry and academia. While industry has been mostly interested in standardisation and promotion of the technology, a...
We believe that successful co-operation between multi-agent systems providing services in a specific domain can be realized by constructing an infrastructure that supports the sem...