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[protege-owl] Protege 3.4 SWRLTab+Jess problem

Lorne Bouchard lorne.bouchard at
Sun Jan 20 19:30:28 PST 2008

Hi there!

After reading the SWRLEditor FAQ I am baffled...

Consider the following SWRL rules:

hasChild(?x, ?y) ^  hasChild(?x, ?z)   → hasSibling(?y, ?z)
hasChild(?x, ?y) ^  hasChild(?x, ?z)  ^  differentFrom(M01, M02)  →
hasSibling(?y, ?z)
hasChild(?x, ?y) ^  hasChild(?x, ?z)  ^  differentFrom(?y, ?z)  →
hasSibling(?y, ?z)

Why does the first rule fire in Jess, whilst the other two do not?

Execution of the first rule show that variables ?x, ?y and ?z are
instantiated correctly with OWL individuals.

Or am I missing something?

Thanks for your help.


- Lorne

Lorne H. Bouchard
Professeur associé
Département informatique

tél.: 1-514-488-5226

"May the source always be with you,  even if some assembly is required !"
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