W3C home > Mailing lists > Public > semantic-web@w3.org > December 2005

Re: Class and Thing with same ID

From: Richard Newman <r.newman@reading.ac.uk>
Date: Thu, 1 Dec 2005 22:12:50 -0800
Message-Id: <443F7259-AD35-4897-90AB-D5DBBC980DFA@reading.ac.uk>
Cc: "Semantic Web Forum" <semantic-web@w3.org>
To: Hans Teijgeler <hans.teijgeler@quicknet.nl>
Hans,
   It might not mean what you want it to mean. This says, in N- 
Triples, that

<base+COIP-369539> rdf:type owl:Class .
<base+COIP-369539> rdf:type owl:Thing .
<base+COIP-369539> rdfs:label "rated output power"@en .
<base+COIP-369539> rdfs:subClassOf <base+COIP-13281757> .
<base+COIP-369539> rdf:type <base+COIP-369539> .

i.e., the resource identified by that URI is both a Class and a  
Thing, labelled "rated output power", simultaneously being a subclass  
of 132..., and being a member of its own set.

   Unless you're doing something very strange indeed, and don't mind  
playing in the curious realm of OWL-Full (or perhaps not even that),  
you're probably doing something wrong.

-R

On 1 Dec 2005, at 21:37, Hans Teijgeler wrote:

> Hi,
>
>
>
> Is it allowed to have, for the same baseURI, an owl:Class and an  
> owl:Thing with the same ID?
>
>
>
>     <owl:Class rdf:ID="COIP-369539">
>         <rdfs:label xml:lang="en">rated output power</rdfs:label>
>         <rdfs:subClassOf rdf:resource="#COIP-13281757"/>
>     </owl:Class>
>
>     <owl:Thing rdf:ID="COIP-369539">
>         <rdfs:label xml:lang="en">rated output power</rdfs:label>
>         <rdf:type rdf:resource="#COIP-369539"/>
>     </owl:Thing>
>
>
> Regards,
>
> Hans
>
>
>
> _______________________
>
> Hans Teijgeler
>
> ISO 15926 specialist
>
> www.InfowebML.ws
>
> hans.teijgeler@quicknet.nl
>
> phone +31-72-509 2005
>
>
>
>
Received on Friday, 2 December 2005 06:13:08 GMT

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