Query Answering in Circumscriptive and Closed-World Theories.
Teodor C. PrzymusinskiPublished in: AAAI (1986)
Keyphrases
- query answering
- closed world
- data exchange
- open world
- data integration
- answering queries
- conjunctive queries
- schema mappings
- data complexity
- incomplete information
- data management
- integrity constraints
- databases
- closed world assumption
- open world assumption
- database
- xml schema
- data sources
- query containment
- dl lite
- data mining