Trust-Based Probabilistic Query Answering.
Achille FokoueMudhakar SrivatsaRobert YoungPublished in: WISE (2011)
Keyphrases
- query answering
- data exchange
- integrity constraints
- conjunctive queries
- incomplete information
- data integration
- answering queries
- data complexity
- query rewriting
- probabilistic databases
- inconsistent databases
- data integration systems
- tuple generating dependencies
- databases
- query answers
- query containment
- datalog programs
- schema mappings
- uncertain data
- dl lite
- error bounds
- query relaxation
- expressive power
- knowledge management