Keyphrases
- conjunctive queries
- query answering
- data complexity
- query evaluation
- np complete
- data exchange
- integrity constraints
- query language
- special case
- containment of conjunctive queries
- decision procedures
- query rewriting
- datalog programs
- probabilistic databases
- query containment
- data sets
- dynamic environments
- schema mappings
- boolean expressions
- conjunctive query containment
- data integration
- dl lite
- relational queries
- bounded treewidth
- unions of conjunctive queries
- conp complete