W3C home > Mailing lists > Public > www-rdf-comments@w3.org > July to September 1999

Re: Question about subproperties

From: Pierre-Antoine CHAMPIN <champin@cpe.fr>
Date: Wed, 22 Sep 1999 08:48:01 +0100
Message-ID: <37E889B1.69C352E4@cpe.fr>
To: www-rdf-comments@w3.org
"Ralph R. Swick" wrote:
>   "If some property P2 is a subPropertyOf another more general
>    property P1, and if a resource A has a P2 property with a value B,
>    this implies that the resource A also has a P1 property with value B."
> 
> Therefore B must be a permissible value for -- i.e. in the range of --
> both P1 and P2.

very interesting !
I didn't get that, but that seems quite logic to me.

But what is less clear, is when a subproperty P2 may need
a range totally different from its superproperty ?
Do you have an example ?

  Pierre-Antoine
Received on Wednesday, 22 September 1999 02:51:54 GMT

This archive was generated by hypermail 2.2.0+W3C-0.50 : Friday, 21 September 2012 14:16:27 GMT