A Hybrid Approach to Query Answering under Expressive Datalog+/-.
Mostafa MilaniAndrea CalìLeopoldo E. BertossiPublished in: CoRR (2016)
Keyphrases
- query answering
- tight complexity bounds
- data exchange
- incomplete information
- integrity constraints
- data complexity
- datalog programs
- conjunctive queries
- answering queries
- data integration
- inconsistent databases
- ontology based data access
- query rewriting
- query answers
- dl lite
- query containment
- xml data exchange
- data sources
- complexity of query answering
- knowledge representation