- From: Graham Klyne <graham.klyne@zoo.ox.ac.uk>
- Date: Mon, 05 Dec 2011 09:26:24 +0000
- To: Timothy Lebo <lebot@rpi.edu>
- CC: W3C provenance WG <public-prov-wg@w3.org>
On 02/12/2011 21:50, Timothy Lebo wrote: >> >> 2b in RDF >> >> An RDF resource may refer to its own provenance SPARQL endpoint; e.g. >> >> ex:someEntity prov:hasProvenance >> [ void:sparqlEndpoint<http://example.info/provenance/sparql/> ] >> >> Here, a blank node is introduced to denote the full provenance triple set. An explicit URI could be used. > > > I think here we want to point to a GraphContainer, i.e. a GRAPH in a SPARQL endpoint. IS what you have in mind different fropm the SPARQL notion of a dataset? (Roughly, an assemblage of a default graph and some named graphs, associated with a SPARQL endpoint.) > I'm now not sure if sd:NamedGraph is a Graph (in the RDF Abstract Graph sense) or a GraphContainer (in the INSERT INTO GRAPH sense). I think this is at the heart of what the RDF WG need to decode w.r.t. "named graphs". > This is the source of the problem that I try to treat in the URLs I just sent you. I'm tagging those messages to come back to later. This week, I'm pl;anning to get head-down on some development work. #g -- > > Best, > Tim > > http://prefix.cc/sd > > > > p.s. repeated here for archiving: > > > Listed so that most recent is first: > > > http://www.w3.org/2011/prov/wiki/Reflections_from_RDF-WG_F2F2 > is a slightly "from scratch" perspective on the problem of "getting at" a named graph hidden behind a SPARQL service. > > > http://www.w3.org/2011/prov/wiki/Using_named_graphs_to_model_Accounts > wrestles with the different meanings of "named graph" - one of which is the RDF 1.1 WG's GraphContainer (that currently doesn't have a standard way to identify) > > > https://github.com/timrdf/csv2rdf4lod-automation/wiki/Naming-sparql-service-description%27s-sd:NamedGraph > offers a technique to awww:identify the named graph within the context of a SPARQL service > > > > >
Received on Monday, 5 December 2011 15:01:47 UTC