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[protege-owl] assign property value to a Thing individual(want to get inferred individuals)

Joseph Awalebo jawalebo at
Fri Oct 17 13:06:20 PDT 2008

Thomas Russ <tar <at> ISI.EDU> writes:

> On Oct 17, 2008, at 6:39 AM, Joseph Awalebo wrote:
> >
> > Thanks a lot for the answer.
> > Now I can use "add existing property" to select "is_pet_of". But I  
> > still have
> > troubles. The "Allowed classes" tab for property value does not  
> > contain Thing
> > class. Is it possible to make Thing class appeared in "Allowed  
> > classes"?
> It doesn't need to be.  Thing is always an allowed class.  So there is  
> no semantic reason to make it appear there, and there are practical  
> reasons not to do that.  If you don't want to restrict the range or  
> domain, then just leave it blank.
I see what you mean. My problem is that I cannot assign a Thing individual as 
property value. I wanted to be able to define a Thing individual(myCat), a 
person individual(John), link John and myCat with has_pet property and infer 
that myCat is an Animal, using the reasoner.

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