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[protege-discussion] An interesting pizza... or max and exactly cardinality not working?
tar at ISI.EDU
Tue Sep 8 12:44:03 PDT 2009
On Sep 7, 2009, at 1:58 AM, maarten wrote:
> Hi all,
> Studying the pizza.owl, I didn't get cardinalities max or exactly to
> work the way I expected.
> An interesting pizza has the following equivalent class: Pizza and
> hasTopping min 3 Thing
> When I change this (or create a similar pizza) with 'max' or
> 'exactly' instead of 'min', I don't get the expected result (e.g.
> all pizzas with 3 or less toppings, or exactly 3 toppings).
> I'm quite new to owl modeling and protege 4, so I'm probably missing
Open world semantics.
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