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Towards a mediator based on owl and SPARQL

Christodoulakis Stavros, Konstantinos Makris, Nikos Bikakis, Gioldasis Nektarios, Chrisa Tsinaraki

Πλήρης Εγγραφή


URI: http://purl.tuc.gr/dl/dias/CC2C42DF-763D-4896-8CF2-821394650FB8
Έτος 2009
Τύπος Πλήρης Δημοσίευση σε Συνέδριο
Άδεια Χρήσης
Λεπτομέρειες
Βιβλιογραφική Αναφορά K. Makris, N.Bikakis, N. Gioldasis, C. Tsinaraki, S. Christodoulakis, " Towards a mediator based on owl and SPARQL " In 2009 the Proc. of the 2nd World Sum. on the Knowl. Soc., Crete, Greece ,pp.326-335.doi :10.1007/978-3-642-04754-1_34 https://doi.org/10.1007/978-3-642-04754-1_34
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Περίληψη

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.

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