Re: question on domain

From: Frank Manola <fmanola@acm.org>
Subject: Re: question on domain
Date: Fri, 21 Apr 2006 09:51:21 -0400

> Johnson, Matthew C. (LNG-ALB) wrote:
> > Hello,

[...]

> > Based on my understanding, one can define a property and then specify 
> > the domain for that property which is the list of classes in which that 
> > property is allowed.  
> 
> Not quite.  As several other responders have noted, specifying the 
> domain doesn't *disallow* use of the property with instances of other 
> classes.  What it does is license inferences about what classes your 
> instance is also a member of, based on the domain declaration.  You are 
> free to disregard those inferences if you don't think they are 
> appropriate.

Huh?  Do you actually mean that you can legitimately use RDF(S) and ignore
the meaning its constructs?  

[...]

> --Frank

Peter F. Patel-Schneider
Bell Labs Research

Received on Friday, 21 April 2006 13:54:09 UTC