Hi Minto, I think that you should use a union graph (UnionMGraph) over your underlying named graphs and that should work as expected.
I hope this helps, Tommaso 2013/1/6 Minto van der Sluis <mi...@xup.nl> > Hi folks, > > Currently I am using clerezza with a Jena TDB storage backend to store > multiple named graphs. > > Now I wonder how to perform a query over these named graphs. I can use > the following command: > > TcManager.executeSparqlQuery( query, ? ) > > But what should be used as the triple collection? If the default graph, > how do I specify that? > > Regards, > > Minto van der Sluis > Software innovator / renovator > Xup BV >