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Re: Southampton Pub data as linked open data

From: Knud Hinnerk Möller <knud.moeller@deri.org>
Date: Mon, 28 Jul 2008 16:49:14 +0100
Cc: "John Goodwin" <John.Goodwin@ordnancesurvey.co.uk>, "Chris Wallace" <Chris.Wallace@uwe.ac.uk>, <public-lod@w3.org>, <semantic-web@w3.org>
Message-Id: <6109E40C-2256-4909-AFF1-AB595CAEA490@deri.org>
To: Richard Cyganiak <richard@cyganiak.de>


On 28.07.2008, at 16:23, Richard Cyganiak wrote:

>> Am I allowed to declare something as subproperty of rdfs:label?
> As far as I know, yes.
>> I'm
>> guessing this is one of those things that is allow in RDF, but not in
>> OWL DL?
> I would be surprised if that is the case. What makes you think so?  
> Can anyone else comment on this?

I'm no expert on this, but in a paper I just read a few days ago it  

"Documents that attempt to redefine known vocabulary (such as those in  
the OWL or RDFS specification) will be in OWL Full. Attempting to add  
new terms in known namespaces (OWL, RDF, RDFS, etc.) will place the  
document under OWL Full as well, even innocuous statements such as  
subclassing rdf:label." [1]

> (FWIW, foaf:name is a subproperty of rdfs:label.)

Which, I guess, is one of the various reasons why FOAF is OWL Full.


[1]	T. Wang, B. Parsia, and J. Hendler. A survey of the Web ontology  
landscape. In 5th International Semantic Web Conference (ISWC2006),  
Athens, GA, USA, pages 682–694. Springer, November 2006.

Knud Möller, MA
+353 - 91 - 495086
Smile Group: http://smile.deri.ie
Digital Enterprise Research Institute
   National University of Ireland, Galway
Institiúid Taighde na Fiontraíochta Digití
   Ollscoil na hÉireann, Gaillimh
Received on Monday, 28 July 2008 15:50:06 UTC

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