[protege-discussion] Datatype Properties

[Thomas Russ]

On Sep 9, 2010, at 12:12 PM, Julian Vincent wrote:

> WIll this usage allow me to rank the classes according to the  
> numerical value of the datatype (e.g. 0 is good, 1 is bad, with all  
> values in between)?

Yes, but that ranking or sorting will be something that you have to do  
outside of the OWL reasoner.


>
> Julian
>
>
> On 9 Sep 2010, at 18:24, Alex Shkotin wrote:
>
>> Hi Julian,
>>
>> may be Annotation (not Datatype) property is good for you.
>> There are some there, but you may create your own.
>>
>> This is a direct way to assing class (as entity) a value.
>>
>> Alex
>>
>> 2010/9/9 Julian Vincent <j.f.v.vincent at bath.ac.uk>
>> 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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