First-order query rewriting for inconsistent databases.
Ariel FuxmanRenée J. MillerPublished in: J. Comput. Syst. Sci. (2007)
Keyphrases
- query rewriting
- inconsistent databases
- query answering
- unions of conjunctive queries
- conjunctive queries
- data exchange
- integrity constraints
- incomplete information
- data integration
- consistent answers
- answering queries
- first order logic
- data complexity
- datalog programs
- dl lite
- query containment
- query optimization
- databases
- expressive power
- user queries