A Hybrid Approach to Query Answering Under Expressive Datalog ^\pm.
Mostafa MilaniAndrea CalìLeopoldo E. BertossiPublished in: RR (2016)
Keyphrases
- query answering
- data exchange
- tight complexity bounds
- conjunctive queries
- data complexity
- data integration
- integrity constraints
- incomplete information
- answering queries
- datalog programs
- ontology based data access
- query rewriting
- query answers
- dl lite
- complexity of query answering
- inconsistent databases
- knowledge base
- database systems
- databases
- logic programs
- schema mappings
- tuple generating dependencies