Towards a mediator based on owl and SPARQL
- Χριστοδουλακης Σταυρος(http://users.isc.tuc.gr/~schristodoulakis)
- Christodoulakis Stavros(http://users.isc.tuc.gr/~schristodoulakis)
- Konstantinos Makris()
- Nikos Bikakis()
- Nektarios Gioldasis()
- Chrisa Tsinaraki()
DOI Publisher
Springer Science and Business Media LLCAbstract
Summarization: We propose a framework that supports a federated environment based on a Mediator Architecture in the Semantic Web. The Mediator supports mappings between the OWL Ontology of the Mediator and the other ontologies in the federated sites. SPARQL queries submitted to the Mediator are decomposed and reformulated to SPARQL queries to the federated sites. The evaluated results return to the Mediator. In this paper we describe the mappings definition and encoding. We also discuss briefly the reformulation approach that is used by the Mediator system that we are currently implementing.Παρουσιάστηκε στο: In the Proceedings of the 2nd World Summit on the Knowledge Society, Crete, Greec
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