Wikipedia’s NoSQL page does mentions RDF Database as a category, but only lists a single RDF store! AllegroGraph and Virtuoso are also mentioned under the Graph database section, but none of the others.  In the upcoming book from Pragmatic Publishers, Seven Databases in Seven Weeks, a graph store makes it (Neo4J), but not a single RDF store does. Read more
Rob Gonzalez is Senior Product Manager at Cambridge Semantics. Rob will present “Combining Natural Language Processing with the Semantic Web for Competitive Intelligence” at the 2012SemTechBiz – San Francisco conference.