GH-RDF3X is a more complete and modified version of the original RDF-3X engine.
Changes over original version ( rdf3x ):
- OPTIONAL clause was implemented.
- new GJOIN clause was added.
- fixed bugs in lang, langMatches, bound and aritmetics relationals operators.
- translatesparql now translate more complex queries from SPARQL to SQL for postgresql and monetdb.
RDF-3X was created by: Thomas Neumann. Web site: http://www.mpi-inf.mpg.de/~neumann/rdf3x (c) 2008 RDF-3X was modified by: Hancel Gonzalez and Giuseppe De Simone (Advisor: Maria Esther Vidal). http://github.com/gh-rdf3x/gh-rdf3x (c) 2013