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[protege-owl] About SWRL

Thomas Russ tar at ISI.EDU
Thu May 22 14:25:07 PDT 2008


On May 22, 2008, at 10:05 AM, Khadija Tahera wrote:

> Hi All
>
> Few basic questions about the SWRL Tab.
>
> How can I write a rule for this statement "If the inclination is   
> equal to 90 deg, then it is a Polar orbit ".

For an exact value, you can use the hasValue restriction from OWL.   
You only need to use SWRL if you want a comparison.  (Well, that or  
use OWL 2.0 when that becomes available).

I presume the hasInclination property is Functional.

> If I wrote the rule will it be able to restrict the Polar_Orbit  
> class to take greater or less value in it's hasInclination property?





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