2. The method set forth in claim 1 wherein: the containing SQL query further includes a specification of an RDF rule base of RDF rules; the RDF rule base is accessible to the relational database management system; and in the step of obtaining results, the set of RDF triples includes RDF triples that are inferred using RDF rules from the specified RDF rule base.
2. The method set forth in claim 1 wherein: the containing SQL query further includes a specification of an RDF rule base of RDF rules; the RDF rule base is accessible to the relational database management system; and in the step of obtaining results, the set of RDF triples includes RDF triples that are inferred using RDF rules from the specified RDF rule base. 4. The method set forth in claim 2 wherein: the containing SQL query further includes a specification of an RDF model; and in the step of obtaining results, the inferred triples are inferred by applying RDF rules from the rule base to the RDF triples belonging to the model.