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Re: No facets mentioned in the RDF mapping document

From: Ian Horrocks <ian.horrocks@comlab.ox.ac.uk>
Date: Tue, 29 Jan 2008 11:23:08 +0000
Message-Id: <097B2155-F1B0-4835-8148-997FB7AA4A4F@comlab.ox.ac.uk>
Cc: "Michael Smith" <msmith@clarkparsia.com>, "Web Ontology Language ((OWL)) Working Group WG" <public-owl-wg@w3.org>
To: Michael Schneider <schneid@fzi.de>

In order to avoid document maintenance problems the mapping could  
simply link to the syntax. Boris already added a brief explanation  
and link to the mapping above Table 2 [1] -- does this adequately  
address your concern?

Ian

[1] http://www.w3.org/2007/OWL/wiki/ 
Mapping_to_RDF_Graphs#Translation_from_Functional- 
Style_Syntax_to_RDF_Graphs

On 16 Jan 2008, at 16:11, Michael Schneider wrote:

> Michael Smith wrote:
>
>> On Wed, 2008-01-16 at 16:32 +0100, Michael Schneider wrote:
>>
>>> Some remark/question wrt agenda point:
>>>
>>>  o PROPOSED: close (as RESOLVED) Issue 74
>>>    (Use the xsd namespace for the facet names)
>>>    as per
>>> http://lists.w3.org/Archives/Public/public-owl-wg/2008Jan/0050.html
>>>
>>> I do not find the facets explicitly mentioned in the RDF
>> mapping draft. For
>>> instance, there is no
>>>
>>>   'xsd:minExclusive'
>>>
>>> mentioned anywhere in the mapping document.
>>
>> Looking at the mapping for DatatypeRestriction, you should see
>> owl11:facet_i  The proposal would cause this to be replaced by
>> xsd:facet_i  Similar for the reverse mapping.
>> Are you proposing that the rdf mapping document itemize the facets  
>> (as
>> in the syntax document) and include a mapping for each?
>
> With the notation 'xsd:facet_i', it would then, in principle,  
> suffice to
> link to the place in the syntax document, where the facets are  
> enumerated.
> Though, this will then only be correct, because the facet names in the
> syntax document happen to be the same as the respective local names  
> in the
> RDF. Also, I would, as an RDF coder, feel that it is cumbersome to  
> always
> lookup the facets in the syntax document. I think the RDF document  
> should be
> as self contained as possible.
>
> So +1 to itemizeing the facet names in the RDF mapping.
>
> Cheers,
> Michael
>
> --
> Dipl.-Inform. Michael Schneider
> FZI Forschungszentrum Informatik Karlsruhe
> Abtl. Information Process Engineering (IPE)
> Tel  : +49-721-9654-726
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> Email: Michael.Schneider@fzi.de
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>
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Received on Tuesday, 29 January 2008 11:23:23 GMT

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