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The Bag Semantics of Ontology-Based Data Access.
Charalampos Nikolaou
Egor V. Kostylev
George Konstantinidis
Mark Kaminski
Bernardo Cuenca Grau
Ian Horrocks
Published in:
IJCAI (2017)
Keyphrases
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ontology based data access
query answering
logic programming
semantic information
formal semantics
conceptual model
database
databases
machine learning
artificial intelligence
knowledge base
integrity constraints
data exchange
schema mappings
query rewriting