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Re: Issue 3.4 - daml:UnambiguousProperty

From: Dan Connolly <connolly@w3.org>
Date: 30 May 2002 09:19:10 -0500
To: Jim Hendler <hendler@cs.umd.edu>
Cc: webont <www-webont-wg@w3.org>
Message-Id: <1022768351.24872.39.camel@dirk>

On Wed, 2002-05-29 at 21:42, Jim Hendler wrote:
> 
> Issue 3.4 - daml:UnambiguousProperty
> 
>   Proposal - CLOSE THIS ISSUE
> 
>    The issue here was that the requirements document didn't motivate 
> this language feature.

I think we discovered that's a mistake.

It's called 'Cardinality constraints' in the requirements
document.
  http://www.w3.org/TR/webont-req/#section-requirements

I'd support changing the requirements document to say that
we really need maxCardinality 1 (and 2 and 0, maybe),
and lots of others look useful.

>  However, no one has advocated its removal and 
> there does seem to be consensus it is a desirable feature.  It is 
> provided for in DAML+OIL and will be provided in OWL.

-- 
Dan Connolly, W3C http://www.w3.org/People/Connolly/
Received on Thursday, 30 May 2002 10:19:30 GMT

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