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[protege-owl] SWRL Rules / pizza.owl

David Renoldner dave.trudes at
Wed Jan 27 00:30:31 PST 2010

Hi there,

i hope this is the right mailing list to ask you something about rules:
In Protege 4 (Rules-Tab) i want to express that every Pizza which hasTopping a SpicyTopping, has a spiciness of Hot:

Pizza(?x), SpicyTopping(?y), hasTopping(?x, ?y), Hot(?z) -> hasSpiciness(?x, ?z).

If I classify the ontology and query for "all pizzas with spiciness hot", i get an empty result.

But, since hasSpiciness has owl:Thing in its domain this rule should work...

Many thanks in advance for your help.

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