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On (In)Tractability of OBDA with OWL 2 QL.
Stanislav Kikot
Roman Kontchakov
Michael Zakharyaschev
Published in:
Description Logics (2011)
Keyphrases
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semantic web
query language
ontology languages
knowledge representation
constraint satisfaction
np complete
semantic web technologies
open world
databases
owl ontologies
computational complexity
knowledge base
description logics
knowledge management
object oriented
integrity constraints
incomplete information
data complexity
conceptual modeling
e learning
constraint problems
owl dl
constraint language
web ontology language
artificial intelligence