Re: [Virtuoso-users] Default vs Named Graph

2010-07-06 Thread Hugh Williams
Hi Chris, So I presume you have read the w3c page at: http://www.w3.org/TR/rdf-sparql-query/#namedAndDefaultGraph The following blog post provides some pointers on this: http://www.snee.com/bobdc.blog/2009/03/querying-a-set-of-named-rdf-gr.html The main value of the default gr

Re: [Virtuoso-users] Default vs Named Graph

2010-07-06 Thread Chris Wj
Thank you for the help and the pointer. Could anyone provide some thoughts or pointers to places where I can learn the major differences between the two concepts (default vs named)? I've searched the w3c pages a bit and I am still unsure as to the value of the default graphs. On Mon, Jul 5, 2010 a

Re: [Virtuoso-users] Default vs Named Graph

2010-07-05 Thread Hugh Williams
Hi Chris, Details on how Virtuoso handles default and named graphs can be found in the online documentation at: http://docs.openlinksw.com/virtuoso/rdfsparql.html#rdfdefaultgraph Multiple default graphs can be specified with the "define input:default-graph-uri..." clause, and the "FRO

[Virtuoso-users] Default vs Named Graph

2010-07-05 Thread Chris Wj
How does Virtuoso handle default graphs? Can you specify multiple default graphs? For example, 2 queries, 2 different default graph URIs. If so, is there a way to query for the URIs of default graphs like you do with Named Graphs? -Chris