A Semantic Web Middleware for Virtual Data Integration on the Web. In Manfred Hauswirth, Manolis Koubarakis, and Sean Bechhofer (Eds.), Proceedings of the 5th European Semantic Web Conference, Springer Verlag, Berlin, Heidelberg, June 2008. [BibSonomy: processing data mediator integration distributed sparql query semantic web query-processing-2] URL
Querying Distributed RDF Data Sources with SPARQL. In Manfred Hauswirth, Manolis Koubarakis, and Sean Bechhofer (Eds.), Proceedings of the 5th European Semantic Web Conference, Springer Verlag, Berlin, Heidelberg, June 2008. [BibSonomy: processing query queries optimization sparql federated query-processing-2] URL
Streaming SPARQL - Extending SPARQL to process data streams. In Manfred Hauswirth, Manolis Koubarakis, and Sean Bechhofer (Eds.), Proceedings of the 5th European Semantic Web Conference, Springer Verlag, Berlin, Heidelberg, June 2008. [BibSonomy: processing sparql stream rdf query-processing-1] URL