Cost-Based Query Answering in Action Probabilistic Logic Programs.
Gerardo I. SimariJohn P. DickersonV. S. SubrahmanianPublished in: SUM (2010)
Keyphrases
- query answering
- data exchange
- integrity constraints
- conjunctive queries
- incomplete information
- answering queries
- data integration
- data complexity
- probabilistic logic programs
- query rewriting
- inconsistent databases
- dl lite
- schema mappings
- expressive power
- datalog programs
- np hard
- query containment
- ontology based data access
- data mining