Re: LANG: frame paradigm

On Thu, 2002-03-14 at 10:46, Guus Schreiber wrote:
> I think we should consider the UML class model also as background
> reference. 

UML is handy in that it's widely understood,
but it's got a lot of closed-world assumptions in it.

e.g. in UML, if you say the Person class
has a gender M/F property and a sibling
property, then somebody else can't
derive a brother property and a sister
property, because the list of properties
in a UML class is sorta closed.

So it's great to compare OWL with UML, but let's
also be careful to contrast it.

Dan Connolly, W3C

Received on Thursday, 14 March 2002 17:40:00 UTC