- From: Richard Cyganiak <richard@cyganiak.de>
- Date: Wed, 5 Oct 2011 17:43:58 +0100
- To: Sandro Hawke <sandro@w3.org>
- Cc: RDF Working Group WG <public-rdf-wg@w3.org>
On 5 Oct 2011, at 14:21, Sandro Hawke wrote: > What sort of private conventions have you seen? I've heard people > talk about: > > 1. graph tag is the URL they once fetched the graph from > 2. graph tag is the URL on which they publish the graph > 3. graph tag is some sort of non-dereferenceable genid > 4. graph tag is primary subject URI of the graph (eg the person, for > FOAF) 5. graph name is the domain name, e.g., http://dbpedia.org DBpedia uses this convention. Others have started to copy it. 6. graph name is the IRI of a void:Dataset with metadata about the graph contents We use this in a few places. 7. everything is in the default graph > It seems to me the variation here is an impediment to interoperability. > If my code talks to a new sparql server, and doesn't know which of these > conventions is being used, how can it do its job? It might ask the store for graphs that fulfil certain criteria. Or there might be a SPARQL Service Description document that explains what's in the graphs. Best, Richard
Received on Wednesday, 5 October 2011 16:44:39 UTC