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Re: why are properties decoupled from classes

From: Jon Hanna <jon@hackcraft.net>
Date: Wed, 26 Oct 2005 10:47:31 +0100
Message-ID: <435F50B3.9080400@hackcraft.net>
To: Semantic Web <semantic-web@w3.org>

Xavier Noria wrote:
>> It *is* possible to say that, for example, all people have mothers
> 
> 
> In which formalism can you express that?

OWL allows you to define a cardinality on how a property applies to a 
particular class. <http://www.w3.org/TR/owl-ref/#cardinality-def>
Received on Wednesday, 26 October 2005 09:42:41 UTC

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