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[protege-discussion] Protege - OWL compatible software tool

Deepti Misra deepti64.misra at gmail.com
Wed Jul 9 02:28:29 PDT 2008


   Dear community

  I am an engineering student working on my summer project and trying to
understand and create   ontology using protege .

Can anyone help me in understanding the following issues :

1)  NewsPAper example available with protege download indicates Employee
class (Abstract) is subclass of Person(Concrete).  In my understanding
superclasses are usually treated as Absract and more we more down
(specialises), the abstraction reduces and concreteness increases. Here, it
is in reverse order! Why it is so ?

2. I have two classes Faculty and Student in my project ontology. . Now, the
relation....*Faculty* "teaches" *student* and *Student is* "taught-by" *
faculty*. Is it 'right' application of inverse property ?
How do I  input it using  Protege-editor ?

Sorry for raising too trivial a query..

Deepti





On 7/9/08, Tania Tudorache <tudorache at stanford.edu> wrote:
>
> Berkan,
>
> Please ask Protege-OWL related questions on the protege-owl mailing list.
>
> Thanks!
> Tania
>
>
> berkan sesen wrote:
> > Dear Community,
> >
> > I use many Universal and Existential restrictions in my ontology to
> > specify constraints on various object properties:
> >
> > E.g. "ClassA" isRelatedto some "ClassB"
> >
> > Is it possible to use Racer/Java/Any tool to automatically infer from
> > the restriction above that if I have an individual of "ClassA", it
> > should have isRelatedto relationship with at least one "ClassB"
> > individual?
> >
> > I am looking for a tool by which I can enforce this restriction
> > without writing an explicit query (A tool that understands what
> > Protege-OWL is talking about, indeed). Can Racer (or any other tool)
> > "semantically" understand this axiom and do a consistency check on the
> > individuals of the given classes?
> >
> > Any replies will be immensely appreciated.
> >
> > Thank you,
> > Berkan Sesen
> >
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