Query Answering under Non-guarded Rules in Datalog+/-.
Andrea CalìGeorg GottlobAndreas PierisPublished in: RR (2010)
Keyphrases
- query answering
- data exchange
- data integration
- integrity constraints
- conjunctive queries
- data complexity
- tuple generating dependencies
- incomplete information
- answering queries
- query rewriting
- ontology based data access
- datalog programs
- production rules
- schema mappings
- inconsistent databases
- association rules
- data sources