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Re: RDF 2 Wishlist

From: Simon Reinhardt <simon.reinhardt@koeln.de>
Date: Mon, 02 Nov 2009 12:18:07 +0100
Message-ID: <4AEEBFEF.9040507@koeln.de>
To: Dave Raggett <dsr@w3.org>
CC: Toby Inkster <tai@g5n.co.uk>, Sandro Hawke <sandro@w3.org>, semantic-web@w3.org
Dave Raggett wrote:
> On Mon, 2 Nov 2009, Simon Reinhardt wrote:
> 
>> Toby Inkster wrote:
>>> a) Tt would remove the restriction on subjects being literals.
> 
> ...
> 
>> But that doesn't work with
>>
>>     "foo" ex:predicate "bar" .
> 
> Doesn't that depend on the predicate, e.g. how about a predicate that is 
> true if the subject and object are both string literals and the subject 
> is shorter than the object.
> 
> e.g.     "a"  ex:shorterThan "aaa"
> 
> where such statements should be the result of an inference.

Sure, or computed properties [1].
But my comment was more about the fact that Toby's idea of creating inverses for compatibility doesn't work when both sides are literals.

Regards,
  Simon


[1] http://esw.w3.org/topic/SPARQL/Extensions/Computed_Properties
Received on Monday, 2 November 2009 11:18:41 GMT

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