A set-based reasoner for the description logic (Extended Version)
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We present a -based implementation of a reasoner for a decidable fragment of (stratified) set theory expressing the description logic (, for short). Our application solves the main TBox and ABox reasoning problems for . In particular, it solves the consistency problem for -knowledge bases represented in set-theoretic terms, and a generalization of the Conjunctive Query Answering problem in which conjunctive queries with variables of three sorts are admitted. The reasoner, which extends and optimizes a previous prototype for the consistency checking of -knowledge bases (see cilc17), is implemented in C++. It supports -knowledge bases serialized in the OWL/XML format, and it admits also rules expressed in SWRL (Semantic Web Rule Language).
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