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Fwd: Re: [URI vs. URIViews] draft-frags-borden-00.txt

From: Graham Klyne <GK@NineByNine.org>
Date: Wed, 29 May 2002 11:30:52 +0100
Message-Id: <5.1.0.14.2.20020529113012.03c5b3e0@joy.songbird.com>
To: www-archive <www-archive@w3.org>

[Forwarded to www-archive with permission]

>To: Graham Klyne <GK@ninebynine.org>
>From: Pat Hayes <phayes@ai.uwf.edu>
>Subject: Re: [URI vs. URIViews] draft-frags-borden-00.txt
>
>>At 06:38 PM 2/21/02 -0600, you wrote:
>>>If we stick to the domain of computable operations on RDF documents, 
>>>then RDF's use of fragment ids is quite well-defined and limited: it 
>>>uses them to identify *syntactic parts of RDF documents* (typically, 
>>>referring IDs located inside RDF assertions inside RDF documents which 
>>>have an absolute URI.) So as far as all questions concerning transfer 
>>>protocols are concerned, RDF can be considered to *be* a media type, 
>>>since at this level of discussion we are talking about RDF *syntax*, not 
>>>RDF semantics. Most RDF semantics isn't even located on the web, in general.
>>
>>Puzzlement about *syntactic parts of RDF documents*...
>>
>>Example:
>>
>>    urn:isbn:0-520-02356-0#page10 ex:contains "metatheory" .
>>
>>is, I think, perfectly legal RDF.
>
>OK, butI don't think it says what you want it to say.
>
>>  But the fragment identifier has no specific relation that I can see to 
>> any RDF document, just part of a book.
>
>Well, if that is what it refers to then we are in trouble, because compare 
>it with http://www.w3.org/1999/02/22-rdf-syntax-ns#Class
>which we use all the time, but not to *refer to* any part of 
>http://www.w3.org/1999/02/22-rdf-syntax-ns, but rather  to refer to what 
>that part refers to, ie the concept rdfs:Class.
>
>I've been assuming that this kind of use, which is incorporated into just 
>about every piece of RDF ever written, was the intended RDFS/DAML/OWL use 
>of fragIds. If not, then our entire enterprise is in deep doo-doo.
>
>Pat
>
>
>
>>#g
>>
>>
>>------------
>>Graham Klyne
>>GK@NineByNine.org
>
>
>--
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-------------------
Graham Klyne
<GK@NineByNine.org>
Received on Wednesday, 29 May 2002 06:22:17 GMT

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