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cs.AI2014
Ontology Module Extraction via Datalog Reasoning
Ana Armas Romero, Mark Kaminski, Bernardo Cuenca Grau +1
Module extraction - the task of computing a (preferably small) fragment M of an ontology T that preserves entailments over a signature S - has found many applications in recent yea…
cs.AI2014
Datalog Rewritability of Disjunctive Datalog Programs and its Applications to Ontology Reasoning
Mark Kaminski, Yavor Nenov, Bernardo Cuenca Grau
We study the problem of rewriting a disjunctive datalog program into plain datalog. We show that a disjunctive program is rewritable if and only if it is equivalent to a linear dis…