1. L. Miller, “Inkling: RDF query using SquishQL”, web page:
http://swordfish.rdfweb.org/rdfquery/
2. A. Seaborne, RDQL — RDF Data Query Language, part of the Jena RDF Toolkit, HPLabs Semantic Web activity,
http://hpl.hp.com/semweb/
, RDQL grammar:
http://www.hpl.hp.com/semweb/rdql-grammar.html
3. A. Reggiori, D. W. van Gulik, RDFStore,
http://rdfstore.sourceforge.net
4. B. McBride, “Jena: Implementing the RDF Model and Syntax Specification”, in: Steffen Staab et al (eds.): “Proceedings of the Second International Workshop on the Semantic Web-SemWeb’2001”, May 2001
http://www.hpl.hp.co.uk/people/bwm/papers/20001221-paper/
5. D. Brickley, L. Miller, “RDF, SQL and the Semantic Web-a case study”,
http://ilrt.org/discovery/2000/10/swsql/