One of the challenges raised by the construction of the semantic Web lies in the analysis and management of complex relationships (thematic, spatial and temporal) connecting severa...
This paper presents a description of seven systems, which use database technology to both represent knowledge persistently and make scalable queries on it, in the Semantic Web con...
There is a critical need to design and develop tools tract away the fundamental complexity of XML-based Web services specifications and toolkits, and provide an elegant, intuitive...
Chaitali Gupta, Rajdeep Bhowmik, Michael R. Head, ...
This paper presents an ontology-based approach for web querying, using semantic metadata. We propose a query language based on ontologies and emphasize its ability to express appro...
Olivier Corby, Rose Dieng-Kuntz, Catherine Faron-Z...
Query answering in Ontology Based Data Access (OBDA) exploits the knowledge of an ontology’s TBox to deal with incompleteness of the ABox (or data source). Current query-answerin...