- From: Ian Davis <lists@iandavis.com>
- Date: Sun, 7 Nov 2010 10:14:15 +0000
- To: Toby Inkster <tai@g5n.co.uk>
- Cc: nathan@webr3.org, Antoine Zimmermann <antoine.zimmermann@insa-lyon.fr>, public-lod@w3.org
On Sat, Nov 6, 2010 at 11:31 PM, Toby Inkster <tai@g5n.co.uk> 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
Received on Sunday, 7 November 2010 10:14:48 UTC