Re: rdfms-things-described-by-web-pages or something

Hi Sandro,

Thanks for picking this one up.

There are a host of difficult issues to be resolved concerning the semantics
of URI's.  We do have an issue:

  http://www.w3.org/2000/03/rdf-tracking/#rdfms-resource-semantics

which I'm treating as a catch all for these issues.  I have added a reference
to your message.

There is also an editorial issue here, in that the example
in M&S uses URI's which may cause confusion.  As such I've added a reference
to your message under:

  http://www.w3.org/2000/03/rdf-tracking/#rdfms-editorial

Brian

> rdfms-things-described-by-web-pages or something
> 
> From: Sandro Hawke (sandro@w3.org)
> Date: Fri, Aug 31 2001
> 
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> 
> Message-Id: <200108311536.LAA13692@tux.w3.org>
> To: www-rdf-comments@w3.org
> From: Sandro Hawke <sandro@w3.org>
> Date: Fri, 31 Aug 2001 11:36:01 -0400
> Subject: rdfms-things-described-by-web-pages or something
> 
> I'm looking on the issues list and not finding this.  Sorry if I'm
> just missing it.
> 
> In http://www.w3.org/TR/REC-rdf-syntax/ section 3.2.1 is the example
> 
> ================
> The model for the sentence
> 
>       The students in course 6.001 are Amy, Tim, John, Mary, and Sue.
> 
> is written in RDF/XML as
> 
>   <rdf:RDF>
>     <rdf:Description about="http://mycollege.edu/courses/6.001">
>       <s:students>
>         <rdf:Bag>
>           <rdf:li resource="http://mycollege.edu/students/Amy"/>
>           <rdf:li resource="http://mycollege.edu/students/Tim"/>
>           <rdf:li resource="http://mycollege.edu/students/John"/>
>           <rdf:li resource="http://mycollege.edu/students/Mary"/>
>           <rdf:li resource="http://mycollege.edu/students/Sue"/>
>         </rdf:Bag>
>       </s:students>
>     </rdf:Description>
>   </rdf:RDF>
> ================
> 
> which seems to be saying that Amy is her web page.  Even if she
> doesn't have a web page, RFC 2616 says that HTTP URIs denote "network
> data objects or services" (not people).
> 
> This came to my attention in Larry Masinter's duri/tbd draft [1],
> which points to this excerpt and says "RDF ... may already provide for
> the 'thing described by' indirection."
> 
> And it may: if the s:students relation is between the web page for a
> course and a bag of the web pages of the students in the course, then
> the example works.  Without a schema for s:students we can't really
> tell.  Presumably, the schema would tell us whether s:students was
> supposed to relate a course to a bag of students, or a web page to a
> bag of web pages.
> 
>    -- sandro
> 
> [1] http://search.ietf.org/internet-drafts/draft-masinter-dated-uri-00.txt
> 
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Received on Monday, 3 September 2001 13:16:20 UTC