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[protege-discussion] Fwd: Help with predicates

Samson Tu swt at
Thu Oct 29 15:32:34 PDT 2009

Ingrid Durley Torres Pardo wrote:
> Hello everyone again
> On this question, I give more details what I need to express in the 
> predicate:
> 1. is that having an active session requires a server, a client and an 
> identifier for the customer. (ActiveSession ?Server ?Client ?SesionID).
> 2.A user has a credential server requires a client, a user name and 
> password of user
>    (UserCredential ?Client ?Server ?Username ?Password)
> That is both predicates express tuples 3 and 4 elements. How do I do 
> this in OWL?

See [1] for a description of how to model n-ary relations in OWL.



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