W3C home > Mailing lists > Public > www-rdf-interest@w3.org > January 2003

RE: abstract class

From: Marc Carrion <marc_carrion@yahoo.es>
Date: Thu, 23 Jan 2003 08:39:55 -0800 (PST)
Message-ID: <20030123163955.66706.qmail@web11907.mail.yahoo.com>
To: Jon Hanna <jon@spin.ie>, www-rdf-interest@w3.org

  Yes, I know that if I say
     <ns:B rdf:ID="foo"/>
  that implies 
     <ns:C rdf:ID="foo"/>

  The thing is we would like to say that we cannot
have 
     <ns:C rdf:ID="foo"/>
  without having 
     <ns:A rdf:ID="foo"/>
  or 
     <ns:B rdf:ID="foo"/>
  or any other subclass of C.

  so we couldn't have a resource that is only of type
C.
  In other words, we would like to define C as
abstract.

  Regards,
          Marc

--- Jon Hanna <jon@spin.ie> wrote:
> 
> >   I meant, I can have
> >       <ns:C rdf:ID="foo"/>
> 
> If you have <ns:B rdf:ID="foo"/> then you are
> implying <ns:C rdf:ID="foo"/>
> 
> It may not be particularly useful to you (right now)
> to say that, but it's
> obviously true.
> 


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Received on Thursday, 23 January 2003 11:39:57 GMT

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