Sesame: A Generic Architecture for Storing and Querying RDF and RDF Schema
ISWC '02 Proceedings of the First International Semantic Web Conference on The Semantic Web
Journal of Biomedical Informatics
Ontology Management: Semantic Web, Semantic Web Services, and Business Applications (Semantic Web and Beyond)
Information integration in the enterprise
Communications of the ACM - Enterprise information integration: and other tools for merging data
Semantic Representation and Querying of caBIG Data Services
DILS '08 Proceedings of the 5th international workshop on Data Integration in the Life Sciences
State of the nation in data integration for bioinformatics
Journal of Biomedical Informatics
Ontology Support for Biomedical Information Resources
CBMS '08 Proceedings of the 2008 21st IEEE International Symposium on Computer-Based Medical Systems
semQA: SPARQL with Idempotent Disjunction
IEEE Transactions on Knowledge and Data Engineering
Ontology matching with semantic verification
Web Semantics: Science, Services and Agents on the World Wide Web
Reduce, reuse, recycle: practical approaches to schema integration, evolution and versioning
CoMoGIS'06 Proceedings of the 2006 international conference on Advances in Conceptual Modeling: theory and practice
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We present the GeneTegra system, an ontology-based information integration environment. We show its ability to query multiple data sources, and we evaluate the relative performance of different data repositories. GeneTegra uses Semantic Web standards to resolve the semantic and syntactic diversity of the large and increasingly complex body of publicly available data. GeneTegra contains mechanisms to create ontology models of data sources using the OWL 2 Web Ontology Language, and to define, plan, and execute queries against these models using the SPARQL query language. Data source formats supported include relational databases and XML and RDF data sources. Experimental results have been obtained to show that GeneTegra obtains equivalent results from different data repositories containing the same data, illustrating the ability of the methods proposed in querying heterogeneous sources using the same modeling paradigm.