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Re: Survey on titles for OWL2 Semantics documents

From: Ivan Herman <ivan@w3.org>
Date: Fri, 19 Sep 2008 17:29:41 +0200
Message-ID: <48D3C565.5000907@w3.org>
To: Bijan Parsia <bparsia@cs.man.ac.uk>
CC: Sandro Hawke <sandro@w3.org>, public-owl-wg@w3.org
Ah! So the remark could be translated as 'there is nothing DL specific
in it'. Right? This makes sense...

Ivan

Bijan Parsia wrote:
> 
> On 19 Sep 2008, at 16:03, Ivan Herman wrote:
> 
>> Can somebody (eg, Uli:-) explain what is meant by the remark:
>>
>> "DL Semantics" and "RDF-Based Semantics" (But Uli says it's not DL.)
>>
>> I know she said that on the call, but I did not really grasp that at the
>> time either...
> 
> Let me hazard a guess and test my understanding.
> 
> The RDF-Based semantics are worth calling such because they depart
> significantly from standard first order logic style model theory. (Yes,
> it's first order, but it is definitely not Ye Old Principa Model
> Theory.) Whereas the "DL semantics" are just regular old first order
> semantics. (Really more propositional modalish in presentation, but in
> the structures it's plain old normal semantics).
> 
> Someone coming to the documents with a model theory background is in for
> far far far less of a shock (if any) when confronting the "DL"
> semantics. Indeed, it would be confusing because it would suggest
> something DLish about them. The name "RDF-Based" does the right thing by
> signaling that there *is* something different and giving a cue where to go.
> 
> Cheers,
> Bijan.
> 

-- 

Ivan Herman, W3C Semantic Web Activity Lead
Home: http://www.w3.org/People/Ivan/
PGP Key: http://www.ivan-herman.net/pgpkey.html
FOAF: http://www.ivan-herman.net/foaf.rdf

Received on Friday, 19 September 2008 15:30:14 UTC

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