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Re: Skolemization and RDF Semantics

From: Pat Hayes <phayes@ihmc.us>
Date: Wed, 20 Apr 2011 15:46:23 -0500
Cc: <david.wood@talis.com>, <danbri@danbri.org>, <public-rdf-wg@w3.org>
Message-Id: <C2844126-94CE-4134-8B1A-1F71CB20FA6A@ihmc.us>
To: Peter Frederick Patel-Schneider <pfps@research.bell-labs.com>

On Apr 20, 2011, at 9:19 AM, Peter Frederick Patel-Schneider wrote:

> From: David Wood <david.wood@talis.com>
> Subject: Re: Skolemization and RDF Semantics
> Date: Wed, 20 Apr 2011 06:40:00 -0500
> 
>> On Apr 19, 2011, at 04:09, Peter Frederick Patel-Schneider wrote:
>> 
>>> From: David Wood <david.wood@talis.com>
>>> Subject: Re: Skolemization and RDF Semantics
>>> Date: Mon, 18 Apr 2011 15:35:23 -0500
>>> 
>>>> On Apr 15, 2011, at 15:35, Dan Brickley wrote:
>>>> 
>>>>> On 15 April 2011 21:29, David Wood <dpw@talis.com> wrote:
>>>>>> Hi all,
>>>>>> 
>>>>>> Ivan and IIRC Steve or Richard tried to convince me that
>>>> Skolemization is already mentioned and allowed in the 2004 version of
>>>> the RDF Semantics.  I can't find it.  Can someone please enlighten me?
>>>> Thanks.
>>>>> 
>>>>> http://www.w3.org/TR/rdf-mt/#prf
>>>> 
>>>> Thanks.  In the intervening conversation, I didn't see anyone mention
>>>> that this is an informative section (and thus not normative).  I suggest
>>>> that the lack of clear guidance has caused sufficient pain to result in
>>>> a normative change to the RDF Semantics in our eventual update.
>>>> 
>>>> Regards,
>>>> Dave
>>> 
>>> I'm not sure just what change to the RDF sematics you think is warranted
>>> here.
>> 
>> I don't think we know that yet.  Once we have a resolution on Skolemization I'd like to see that resolution reflected normatively in the part of the RDF Semantics doc that discusses it.
>> 
>> Regards,
>> Dave
> 
> I'm still trying to figure out what possible normative change to the RDF
> semantics could possibly be involved.  
> 
> Perhaps there would be a change to the RDF Semantics document, but that
> is different.  

I think Dave is referring to the document. Right, none of this affects the actual semantics. 

Pat

>  It might also be that the discussion of skolemization as
> it applies to RDF stores belongs to some other document.
> 
> peter
> 
> 

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Received on Wednesday, 20 April 2011 20:47:00 GMT

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