Query Answering in Inconsistent Databases.
Leopoldo E. BertossiJan ChomickiPublished in: Logics for Emerging Applications of Databases (2003)
Keyphrases
- inconsistent databases
- query answering
- data exchange
- conjunctive queries
- answering queries
- integrity constraints
- data complexity
- consistent query answering
- datalog programs
- incomplete information
- data integration
- tuple generating dependencies
- query rewriting
- databases
- dl lite
- schema mappings
- query containment
- query answers
- unions of conjunctive queries