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Re: Activating lower layer issues

From: Graham Klyne <Graham.Klyne@Baltimore.com>
Date: Thu, 28 Jun 2001 18:36:59 +0100
Message-Id: <>
To: pat hayes <phayes@ai.uwf.edu>
Cc: w3c-rdfcore-wg@w3.org
If we can define the desired semantics based on the simple N-triple form, I 
have no objection.


At 11:06 AM 6/28/01 -0500, pat hayes wrote:
>>Some semantics depend on an interpretation of more than one triple used 
>>in concert.  Following the style of attaching interpretations to syntax 
>>productions, it may be necessary use a "model syntax" that is more 
>>complex than the minimal syntax needed to describe N-triple.
>Graham, I have a strong worry about doing this in the revised 
>standard.  "used in concert" is just a way to say that there is a 
>syntactic construction which is not in fact explicitly encoded in RDF 
>content.  It would mean that the criteria for wellformedness were not 
>explicitly represented in the syntax, unless we introduced some new syntax 
>(not just some new syntactic classes) to actually encode the ranges of 
>these 'larger' structures. In effect, it allows for arbitrarily complex 
>syntactic specifications to be smuggled into the RDF model invisibly. To 
>call the n-triple encoding 'parsable' is misleading, if some of those 
>'parsings' are not in fact in conformity to the syntactic classes to which 
>the semantics is attached.

Graham Klyne                    Baltimore Technologies
Strategic Research              Content Security Group
<Graham.Klyne@Baltimore.com>    <http://www.mimesweeper.com>
Received on Thursday, 28 June 2001 17:47:11 UTC

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