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Can you please try to replace that "RDFS" with "OWLPRIME"
I tried to replace by RDFS by OWLPRIME or RDFS++, but each time I have this error message :
Exception in thread "main" java.sql.SQLException: ORA-20000: We do not have a rules index for this Model-Rulebase combination
ORA-06512: à "MDSYS.RDF_MATCH_IMPL_T", ligne 176
ORA-06512: à ligne 1
In fact I just installed the new jena driver (v2) and without any modification it works with OWLPRIME !
Hmm. That sounds like a myth. The reason is the logic to invoke inference API has not
changed much because DB inference API has not been changed.
But, hey, if it works, I am happy for you :)
If you still care to figure out why, please post the whole snippet that contains the
portion you invoke inference API.