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[protege-discussion] Datatype Properties

Timothy Redmond tredmond at
Fri Sep 10 08:20:50 PDT 2010

I am not sure what this thread is about so I am attaching an  
ontology.  I wrote it in Protege 4.1.  It has a datatype property, p,  
and contains several assertions:

the class A consists of individuals whose p data value is greater than  
or equal to 0f and less than or equal to 1f.
the class A has an individual, i, whose p data value is .18f.
the range of the class p is the set of data values greater than or  
equal to 0.0f and less than or equal to 1.0f.

Does any of this relate to what you are trying to do?


On Sep 9, 2010, at 9:56 AM, Julian Vincent wrote:

> I'm having trouble with attaching numerical values to classes in  
> P4.1.  I want to add an index to each class which I can then use to  
> estimate how similar each class is to a set of criteria, which also  
> define the class.  I have created a Datatype but can't work out how  
> to attach a numerical value to it.  The form I have used is that in  
> the OWL tutorial v. 1.2 (<DatatypeName> some decimal[=0.xxxx]) where  
> xxxx are digits.  This is pretty much what's written in the tutorial  
> text, but doesn't work.  What am I doing wrong?
> Thanks
> Julian Vincent
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> protege-discussion mailing list
> protege-discussion at
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