It's Jena's own rules engine.
http://jena.apache.org/documentation/inference/index.html#rules
Domanda
I have designed some rules and am wondering what the reasoner is is returned by the Jena's GenericRuleReasonerFactory (as shown in the following code)? Is it Racer, Pellet, or HermiT?
Reasoner reasoner = GenericRuleReasonerFactory.theInstance().create(configuration);
Soluzione
It's Jena's own rules engine.
http://jena.apache.org/documentation/inference/index.html#rules