Querying and integrating ontologies viewed as conceptual schemas

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dc.contributor.author Theodoratos, D en
dc.contributor.author Dalamagas, T en
dc.date.accessioned 2014-03-01T11:44:35Z
dc.date.available 2014-03-01T11:44:35Z
dc.date.issued 2003 en
dc.identifier.issn 0302-9743 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/37021
dc.subject Conceptual Schema en
dc.subject Ontology Integration en
dc.subject Relational Database Management System en
dc.subject.classification Computer Science, Theory & Methods en
dc.title Querying and integrating ontologies viewed as conceptual schemas en
heal.type other en
heal.identifier.primary 10.1007/978-3-540-39648-2_42 en
heal.identifier.secondary http://dx.doi.org/10.1007/978-3-540-39648-2_42 en
heal.language English en
heal.publicationDate 2003 en
heal.abstract Real-world ontologies have associated data sets. In order to exploit ontologies as a means to provide semantics to the data it is necessary not only to reason about concepts and their properties but also to be able to query the underlying data and efficiently obtain answers. We view ontologies as conceptual schemas that are populated with data. We define a generic graph-based representation for ontology schemas and provide a language for querying ontologies. This language is appropriate for ontology transformation and ontology integration. We show how ontologies can be integrated by defining views over multiple ontologies, and how user queries can be specified using views. Our approach can be easily implemented on top of a relational database management system. © Springer-Verlag Berlin Heidelberg 2003. en
heal.publisher SPRINGER-VERLAG BERLIN en
heal.journalName Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) en
dc.identifier.doi 10.1007/978-3-540-39648-2_42 en
dc.identifier.isi ISI:000187325600042 en
dc.identifier.volume 2813 en
dc.identifier.spage 548 en
dc.identifier.epage 561 en

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