It's Jena's own rules engine.
http://jena.apache.org/documentation/inference/index.html#rules
Вопрос
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);
Решение
It's Jena's own rules engine.
http://jena.apache.org/documentation/inference/index.html#rules