QuOnto

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QuOnto
www.dis.uniroma1.it/~quonto/
Status: prototype
Affiliation: University of Rome "La Sapienza"

QuOnto is a Java-based reasoner for the description logic DL-lite with GCIs, which is a sublanguage of OWL DL that can be treated with very efficient database techniques. QuOnto implements a query rewriting algorithm for both consistency checking and query answering for unions of conjunctive queries over DL-Lite knowledge bases.

The system is not available online, but can only be retrieved for "testing purposes" by directly contacting the authors (which is why it is classified as a prototype here – it apparently has not been applied in many practical scenarious yet).