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How do I define a property to have only two legal values (strings 'foo' or 'bar') in Protege?

user6454026
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  • Possible duplicate of [Data range expression for an enumeration in Protégé](http://stackoverflow.com/questions/35348064/data-range-expression-for-an-enumeration-in-prot%c3%a9g%c3%a9) – Joshua Taylor Jun 20 '16 at 14:10

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  1. Select your datatype property,
  2. Click on "Ranges" and then from the tab "Built in datatypes" select xsd:string.
  3. In the tab "Data range expressions" enter {"foo", "bar"}
  4. Click "OK"

When you enter a value outside this range, some reasoners like Fact++ will show that as inconsistent, others won't.

Ivo Velitchkov
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