Keyphrases
- conjunctive queries
- query answering
- data complexity
- query evaluation
- integrity constraints
- np complete
- query language
- special case
- data exchange
- decision procedures
- probabilistic databases
- query rewriting
- datalog programs
- query containment
- bounded treewidth
- queries using views
- conjunctive query containment
- database
- functional dependencies
- pattern matching
- data integration
- containment of conjunctive queries
- query processing
- acyclic conjunctive queries