W3C home > Mailing lists > Public > w3c-rdfcore-wg@w3.org > December 2002

Re: Semantics of rdf:value

From: pat hayes <phayes@ai.uwf.edu>
Date: Thu, 5 Dec 2002 20:16:47 -0600
Message-Id: <p05111b17ba15b8831cbe@[]>
To: Frank Manola <fmanola@mitre.org>
Cc: w3c-rdfcore-wg@w3.org

>pat hayes wrote [to Brian]:
>>OK, fine. But then I have a new issue, which applies to rdf:value 
>>but also more generally.
>>In cases where the WG has resolved that the model theory provides 
>>no semantics for a construct in the RDF namespace, I suggest that 
>>none of our documents, including the Primer, should be written in a 
>>way that suggests that the construct does have an intended meaning 
>>that could support any valid inferences. That is, we should be 
>>consistent about meaning: when things have no meaning but are being 
>>kept for essentially political reasons, we should say that clearly.
>pat hayes wrote [to DanBri]:
>>  Then they should not be in the language. They can be in user ontologies,
>>  of course, but then its up to said user to describe them to their own
>>  satisfaction. Seems to me that we have a responsibility to give clear
>>  specifications for the meanings of the vocabulary we provide, or else to
>>  say clearly that they have no meaning. I'm quite happy to say that
>>  rdf:value has no meaning; but then I don't want the primer to explain
>>  this nonexistent meaning in intuitive terms.
>What would you like the Primer to say about rdf:value?

That is has no defined meaning. Or, just not refer to it, or perhaps 
refer to it only to say that users should not presume that any 
meaning they use it for will be understood or shared by any other 
user. In a word, we should be warning them rather than encouraging 


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Received on Thursday, 5 December 2002 21:16:56 UTC

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