Keyphrases
- conjunctive queries
- query answering
- integrity constraints
- query evaluation
- query language
- np complete
- data complexity
- data exchange
- special case
- query rewriting
- decision procedures
- regular path queries
- boolean expressions
- query containment
- probabilistic databases
- datalog programs
- bounded treewidth
- consistent query answering
- databases
- schema mappings
- data integration
- data model
- query processing
- deductive databases
- dl lite
- data sets
- inconsistent databases
- containment of conjunctive queries
- queries using views
- conjunctive query containment
- answering queries using views
- conjunctive regular path queries