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Re: rdfs:subClassOf and XSD derivation by restriction

From: Pat Hayes <phayes@ihmc.us>
Date: Thu, 8 Mar 2018 18:25:36 -0600
To: Richard Smith <richard@ex-parrot.com>
Cc: Andreas Harth <andreas@harth.org>, semantic-web@w3.org
Message-ID: <4a445be8-3959-0a97-985b-78c389f0121f@ihmc.us>
On 3/6/18 1:40 PM, Richard Smith wrote:
> Pat Hayes wrote:
>>> I'm sure it's intended that the lexical space, value space and 
>>> lexical-to-value mapping of these types for the purpose of RDF 
>>> is the same as their lexical space, value space and lexical 
>>> mapping as defined in XSD.
>> Yes. The RDF 1.1 semantics is explicit about this. If you 
>> recognize these datatypes, they must be used in exact 
>> conformity with the XSD specs.
> My point was perhaps a rather pedantic one: nothing says the what 
> RDF calls a lexical-to-value mapping is that same thing that XSD 
> calls a lexical mapping.

Ah. Good point. Perhaps we should have said this explicitly. To 
be honest, I don't think I ever noticed the different 
terminologies here. We took over the terminology 
"lexical-to-value mapping" from the earlier 2004 RDF specs 
without change, and nobody in the intervening decade seems to 
have noted the slight disparity with the XSD terminology.

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Received on Friday, 9 March 2018 00:26:43 UTC

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