18 citations · 24 across the 3 of their papers we have counts for
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cs.AI2014★ 4 cited
Answering Conjunctive Queries over Knowledge Bases with Transitive and Reflexive Roles
Giorgio Stefanoni, Boris Motik
Answering conjunctive queries (CQs) over knowledge bases (KBs) with complex role inclusions is PSPACE-hard and in PSPACE in certain cases; however, if complex role i…
cs.AI2013★ 18 cited
Computing Datalog Rewritings beyond Horn Ontologies
Bernardo Cuenca Grau, Boris Motik, Giorgos Stoilos +1
Rewriting-based approaches for answering queries over an OWL 2 DL ontology have so far been developed mainly for Horn fragments of OWL 2 DL. In this paper, we study the possibiliti…