On Sep 7, 2012, at 10:37 AM, Lee Feigenbaum wrote: > [moved to public-sparql-dev] > > I have a related question -- do all quad stores / named graph stores include > a default graph? If the store that you develop or use does have a default > graph, does that graph also have a name (URI)?
The underlying quadstore system in RDF::Query is extensible, so there's no single answer, but in general the default graph is not named by a URI (it may be identified in the API and used by the query engine, but not arbitrarily identified by the user). .greg
