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Combining Existential Rules and Description Logics (Extended Version)
[article]
2015
arXiv
pre-print
Query answering under existential rules -- implications with existential quantifiers in the head -- is known to be decidable when imposing restrictions on the rule bodies such as frontier-guardedness [BLM10, BLMS11]. Query answering is also decidable for description logics [Baa03], which further allow disjunction and functionality constraints (assert that certain relations are functions), however, they are focused on ER-type schemas, where relations have arity two. This work investigates how to
arXiv:1505.00326v1
fatcat:cr4c2stc3bdfrowzoyngcvawrm