On Sat, Nov 6, 2010 at 11:31 PM, Toby Inkster <[email protected]> wrote: > Not necessarily. If you take your ex:isDescribedBy predicate and add > that to a triple store where the non-Information-Resource resources are > identified using hash URIs, then the SPARQL query is just: > > DESCRIBE <uri> ?res > WHERE { ?res ex:isDescribedBy <uri> . } > > which needn't be very slow.
I've done this myself but using foaf:primaryTopic and foaf:topic to link a document URI to all the resources that are needed to render it. > >> The other downside of fragments is you can't say "it exists but I have >> no description of it". > > <#foo> a rdfs:Resource . > In which case you do have a description of it :) But point taken, this tautology would be enough. Cheers, Ian
