Re: reusing URIs vs. mapping with owl:equivalentClass

Why not owl:import the first, which would bring in the classes you  
need, and then start with that as the base?
-Alan

On Apr 20, 2007, at 7:37 AM, Kim, Soonho (KCEW) wrote:

> Dear all,
>
> I have two related ontologies. One contains concepts represented in  
> multiple languages and with some relationships. The other covers  
> only a little part of this ontology, do not have all languages, but  
> extend it with many other related concepts. There are concepts that  
> are the same in the two ontologies.
>
> Would it be better to reuse the URI of concepts in both ontologies  
> or should I assign new URIs to the second (more detailed) ontology  
> and use the equivalentClass construct?  What it be better?  For  
> reasoning purposes what it is better? How does the current reasoner  
> such as Pellet or Racer process owl:equivantClass?
>
> Concerning maintenance, the first big ontology may be maintained,  
> the second one may be not.
>
> Thank you
>
>
> Best Regards,
> Soonho Kim
>
> Knowledge and Information Consultant
> WAICENT Knowledge Exchange Facilitation Branch (KCEW)
> Knowledge and Communication Department
> Food and Agriculture Organization of the United Nation
> Viale delle Terme di Caracalla
> 00100 Rome, Italy
> Telephone: (+39) 06 5705 3409
> Email: Soonho.Kim@fao.org
>
>