Bounded Delay and Concurrency for Earliest Query Answering.
Olivier GauwinJoachim NiehrenSophie TisonPublished in: LATA (2009)
Keyphrases
- query answering
- data exchange
- integrity constraints
- answering queries
- data integration
- data complexity
- conjunctive queries
- incomplete information
- database systems
- inconsistent databases
- query rewriting
- concurrency control
- data integration systems
- query containment
- data sources
- datalog programs
- xml data exchange
- schema mappings
- data management
- knowledge discovery
- expert systems