W3C home > Mailing lists > Public > public-rdf-wg@w3.org > April 2011

Re: RDF-ISSUE-21 (Shared Node-IDs): Can Node-IDs be shared between parts of a quad/multigraph format? [RDF Graphs]

From: David Wood <david.wood@talis.com>
Date: Fri, 1 Apr 2011 12:37:17 -0400
Message-Id: <3C03CF86-F22A-4487-888B-F24CFDB4788C@talis.com>
To: RDF Working Group WG <public-rdf-wg@w3.org>
Thanks, Sandro.  Good one.

Regards,
Dave




On Apr 1, 2011, at 12:33, RDF Working Group Issue Tracker wrote:

> 
> RDF-ISSUE-21 (Shared Node-IDs): Can Node-IDs be shared between parts of a quad/multigraph format? [RDF Graphs]
> 
> http://www.w3.org/2011/rdf-wg/track/issues/21
> 
> Raised by: Sandro Hawke
> On product: RDF Graphs
> 
> Given N-Triples:
> 
> _x: <http://example.org/p1> 1 <http://example.org/id1> .
> _x: <http://example.org/p1> 2 <http://example.org/id2> .
> 
> if id1 and id2 were merged, would the resulting graph have three nodes or four?
> 
> Use cases for allowing them to be shared include:
> 
> - SPARQL default graph being the merge of the named graphs
> - proof trees, details of inference over graphs
> - highlighting/annotating subgraphs, for provenance
> 
> 
> 
Received on Friday, 1 April 2011 16:37:51 GMT

This archive was generated by hypermail 2.3.1 : Tuesday, 26 March 2013 16:25:41 GMT