Qualified cardinality restrictions are a feature of OWL2. Jena only has API support for OWl1. You can access as RDF look at it as triples to write your own inspector; not as pretty but if it is RDF you drop down to the triples.

    Andy

On 23/08/18 22:06, Rick Liao wrote:
Hello,

I want to find all the cardinality restrictions in an ontology and know
their type (min, max, exact, and qualified or not). I am iterating through
all the restrictions in an OntModel. For each Restriction, I can check if
they are min, max, and exact and use "as..." methods to get the appropriate
class. However, there is no function to see if the Restriction is a
QualifiedRestriction. How do I check if a Restriction is a
QualifiedRestriction and how do I get it as a QualifiedRestriction if it is?

Thanks,
Rick

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