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Re: [SKOS] URIs and IRIs

From: Antoine Isaac <aisaac@few.vu.nl>
Date: Mon, 07 Jul 2008 22:50:01 +0200
Message-ID: <48728179.4090701@few.vu.nl>
To: Jeremy Carroll <jeremy@topquadrant.com>
CC: 'SWD WG' <public-swd-wg@w3.org>, HORVATH Adam <adam@oszk.hu>

Thanks, Jeremy!
That should help a lot. But would you recommend to explicitly mention 
IRIs in SKOS documents to reassure implementers (or make them afraid ;-)

Cheers,

Antoine

> The key phrase is:
> http://www.w3.org/TR/rdf-concepts/#section-Graph-URIref
>
> [[
> Note: this section anticipates an RFC on Internationalized Resource
> Identifiers. Implementations may issue warnings concerning the use of RDF
> URI References that do not conform with [IRI draft] or its successors.
> ]]
>
> i.e. an RDF URI Reference is an IRI is an RDF URI Reference, and the few
> deviations are bugs with RDF URI Reference, due to timing issues.
>
> In practice the main difference in the two definitions is spaces, which are
> allowed in RDF URI References but prohibited in IRIs. I would strongly
> advise against implementation or documents using URIs with spaces in them.
>
> Jeremy
>
>
> -----Original Message-----
> From: public-swd-wg-request@w3.org [mailto:public-swd-wg-request@w3.org] On
> Behalf Of Antoine Isaac
> Sent: Monday, July 07, 2008 9:37 AM
> To: SWD WG
> Subject: [SKOS] URIs and IRIs
>
>
> Hello,
>
> About
>
>   
>> *RESOLUTION: Close ISSUE-86 with and Appendix saying "URIs are used to 
>> identity resources of type skos:Concept and skos:ConceptScheme. The 
>> SKOS Reference does not require specific behaviour when dereferencing 
>> those URIs. It is, however, strongly recommended that publishers of 
>> vocabularies follow the guidelines for Best Practice Recipes [REF] and 
>> Cool URIS [REF]."*
>>     
>
> I was recently pointed at the possibility to use IRIs [1] for 
> identifying resources. I'm almost a complete newcomer to this. Is it 
> allowed in RDF? should we mention IRIs in our documents?
> (it seems that there is a mapping between IRIs and URIs, and latest 
> versions of W3C standard mention IRIs, e.g. SPARQL [2], RDFa [3] and 
> Cool URIs)
>
> Ss said I'm a complete rookie, maybe this issue has a trivial answer...
>
> Cheers,
>
> Antoine
>
> [1] http://www.ietf.org/rfc/rfc3987.txt
> [2] http://www.w3.org/TR/rdf-sparql-query/#QSynIRI
> [3] http://www.w3.org/TR/2008/CR-rdfa-syntax-20080620/#ref_IRI
>
>
>
>
>
>   
Received on Monday, 7 July 2008 20:50:38 UTC

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