Hyperbole aside, v2.x has been the best RDF database on the market (or OSS, for that matter). Its a bit rough around the edges (you'll be talking to their very

Hyperbole aside, v2.x has been the best RDF database on the market (or OSS, for that matter). Its a bit rough around the edges (you'll be talking to their very helpful support frequently), but the performance with large datasets is significantly better than Sesame, Jena, etc.