- From: Steve Harris <steve.harris@garlik.com>
- Date: Tue, 29 Mar 2011 09:57:31 +0100
- To: Andy Seaborne <andy.seaborne@epimorphics.com>
- Cc: RDF Working Group WG <public-rdf-wg@w3.org>
Yeah, I agree - it's the most logical place to look for it. - Steve On 2011-03-28, at 20:38, Andy Seaborne wrote: > Wouldn't it be better to put the RDF datasets merge definition along side the RDF dataset definition to put everything in one place? Splitting across docs isn't great. > > http://www.w3.org/2009/sparql/docs/update-1.1/Overview.xml#def_datasetUnion > > and s/union/merge/g ; s/graph store/RDf dataset/g ; > > Andy > > On 28/03/11 16:07, RDF Working Group Issue Tracker wrote: >> >> RDF-ISSUE-17 (graph merge): How are RDF datasets to be merged? [RDF Graphs] >> >> http://www.w3.org/2011/rdf-wg/track/issues/17 >> >> Raised by: David Wood >> On product: RDF Graphs >> >> The "RDF Semantics" spec defines how to merge two or more RDF graphs, >> the pain is caused by blank nodes, otherwise it's a trivial operation. >> >> The "SPARQL Query Language for RDF" spec defines the notion of RDF >> dataset as a set of "one graph, the default graph, which does not have >> a name, and zero or more named graphs, where each named graph is >> identified by an IRI". >> >> How do we define how to merge RDF datasets? >> >> One obvious answer is we merge all the default graphs and all the >> named graphs with the same IRI using the procedure defined by the "RDF >> Semantics" to merge RDF graphs. >> >> NB: This issue will also relate to the "Cleanup Tasks" product if the RDF Semantics document will need to change in relation to named graphs. >> >> At Talis, within the Talis Platform, we want to enable people to >> easily merge RDF graphs into an RDF dataset and perhaps RDF datasets >> into another RDF dataset. We also want to have these merge happen in >> real-time (i.e. as you add/remove triples from the graphs you update >> all the derived graphs/datasets). >> >> Thanks to Paolo Castagna of Talis for providing input to this issue. >> >> >> >> > -- Steve Harris, CTO, Garlik Limited 1-3 Halford Road, Richmond, TW10 6AW, UK +44 20 8439 8203 http://www.garlik.com/ Registered in England and Wales 535 7233 VAT # 849 0517 11 Registered office: Thames House, Portsmouth Road, Esher, Surrey, KT10 9AD
Received on Tuesday, 29 March 2011 08:58:07 UTC