Christopher Menzel wrote:
> On May 31, 2010, at 2:42 PM, Mike Bennett wrote:
>
>> David,
>>
>> I think we are cross purposes, I never suggested numbers. I should maybe
>> explain a little more about the project I am working on. We are
>> developing a formal semantic model of terms in the financial services
>> industry, and to do this we are using the underlying concepts of OWL but
>> restating these in English. In OWL there are classes (with the
>> super-class of owl:Thing), and two types or properties, Object
>> Properties and Datatype Properties. We refer to the OWL Classes as
>> "Things"
>>
>
> That doesn't seem like a good idea. In all species of OWL, every *instance*
>of an owl:Class is an owl:Thing. But only in OWL Full can an owl:Class itself
>be considered an owl:Thing. And even in the context of OWL Full it would be
>rather perverse to use "Thing" as a general synonym for "Class" (as you seem
>to be suggesting), at is muddies the distinction between classes and other
>kinds of things in the OWL universe.
>
>
At the end of the day, the people we need to communicate with are non
technical people who have business domain knowledge. For the purpose of
communicating with technical people, I would use the terms that are
defined in OWL and ODM, not the English terms I choose to use when
describing model content to business domain people. When I say "We refer
to" above I mean when talking to business domain experts. Under the
hood, the OWL concepts are the same as in any other OWL model, I hope. (01)
I'm really not sure what you mean about every instance of an OWL class
being an owl:Thing. Surely an instance of an OWL class is an OWL
individual? And surely "Thing" is the name of the OWL Class that itself
sits at the top of the taxonomic hierarchy of OWL classes in the
ontology? But yes, this model is OWL Full since to make it anything else
would require us to both explain the difference to business SMEs and to
limit the expressive power of the model, when the intention is to
express business knowledge as completely and accurately as possible. (02)
Mike (03)
> Chris Menzel
>
>
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> (04)
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Mike Bennett
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