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Enhancing Existential Rules by Closed-World Variables.
Giovanni Amendola
Nicola Leone
Marco Manna
Pierfrancesco Veltri
Published in:
IJCAI (2018)
Keyphrases
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closed world
existentially quantified
derivation rules
open world
data exchange
logic programs
universally quantified
query answering
closed world assumptions
databases
stable model semantics
distributed databases