Re: Profiles in Linked Data

On 5/8/15 10:24 AM, john.walker@semaku.com wrote:
> Hi Lars
>
> *From:* Svensson, Lars <mailto:L.Svensson@dnb.de>
> *Sent:* ‎Friday‎, ‎8‎ ‎May‎ ‎2015 ‎11‎:‎05
> *To:* Martynas Jusevičius <mailto:martynas@graphity.org>
> *Cc:* public-lod@w3.org <mailto:public-lod@w3.org>
>
> Martynas,
>
> > To my understanding, in a resource-centric model resources have a
> > description containing statements available about them.
> >
> > When you try split it into parts, then you involve documents or graphs
> > and go beyond the resource-centric model.
>
> OK, I can understand that. Does that mean that if I have under the 
> same URI serve different representations (e. g. rdf/xml, turtle and 
> xhtml+RDFa) all those representations must return exactly the same 
> triples, or would it be allowed to use schema.org in the RDFa, W3C 
> Organisation Ontology for rdf/xml and foaf when returning turtle? 
> After all it's different descriptions of the same resource.
>
> My take on this is each representation (with negotiation only on 
> format via HTTP Accept header) *should* contain the same set of RDF 
> statements (triples).
> Also one could define a different URL for each representation which 
> can be linked to with Content-Location in the HTTP headers.
>
> We’re you to introduce an additional (orthogonal) way to negotiate a 
> certain profile, this would be orthogonal to the format. Following on 
> from above, one could then have a separate URL for each format-profile 
> combination.

Yes.

For the sake of additional clarity, how about speaking about documents 
and content-types rather than "representation" which does inevitably 
conflate key subtleties, in regards to RDF (Language, Notations, and 
Serialization Formats)?

Links:

{
   <>
   a schema:WebPage ;
   schema:mentions <http://dbpedia.org/resource/Serialization>,
<http://dbpedia.org/resource/Notation>,
<http://dbpedia.org/resource/Language> ;
   skos:related 
<http://linkeddata.uriburner.com/about/html/https/lists.w3.org/Archives/Public/public-lod/2015May/0065.html>, 

<http://linkeddata.uriburner.com/about/html/https/lists.w3.org/Archives/Public/public-lod/2015May/0058.html>,
<http://lists.w3.org/Archives/Public/public-lod/2010Nov/0391.html> .

<http://lists.w3.org/Archives/Public/public-lod/2010Nov/0391.html>
a schema:WebPage ;
rdfs:label "Rough draft poem: Document what art thou?" .

}

-- 
Regards,

Kingsley Idehen 
Founder & CEO
OpenLink Software
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