Recently, there has been a lot of interest in the integration of Description Logics and rules on the Semantic Web. We define guarded hybrid knowledge bases (or g-hybrid knowledge...
Stijn Heymans, Jos de Bruijn, Livia Predoiu, Crist...
Named Graphs is a simple, compatible extension to the RDF syntax that enables statements to be made about RDF graphs. This approach is in contrast to earlier attempts such as RDF r...
Semantic Portal is the next generation of web portals that are powered by Semantic Web technologies for improved information sharing and exchange for a community of users. Current...
Lei Zhang, Yong Yu, Jian Zhou, Chenxi Lin, Yin Yan...
Abstract. Approximation has been identified as a potential way of reducing the complexity of logical reasoning. Here we explore approximation for speeding up instance retrieval in...
The paper presents an ontology-based approach to service discovery, apt to support flexible and efficient matchmaking between service descriptions. We propose a hybrid approach th...
Devis Bianchini, Valeria De Antonellis, Michele Me...