> "If there is no |FROM| clause, but there is one or more |FROM NAMED| >> clauses, then the dataset includes an empty graph for the default graph." >> >> Is this the expected (not "excepted", sorry) behaviour ? >> > > In a nutshell, yes :-) > > FROM NAMED does not implicitly negate the existence of a default graph. > This is why GRAPH ?g or GRAPH <http://test1> is required to set scope of > your patterns to Named Graphs explicitly.
Ok I understand what Virtuoso does and I am able to obtain the good quads But I still don't understand the meaning of "the dataset includes an empty graph for the default graph". What does that mean for you ? Alexandre.
