http://blogs.msdn.com/b/alexj/archive/2009/01/11/virtuoso-entity-framework-compatible-ado-net-provider.aspxNow this is worth a mention. Kingsley has produced a ADO.NET provider for their virtuoso product which is Entity Framework compatible. Which means in theory access to SQL, XML and RDF data via the Entity Framework. It also supports a raft of third partyen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)