Imprecise probabilistic query answering using measures of ignorance and degree of satisfaction.
Anbu YueWeiru LiuAnthony HunterPublished in: Ann. Math. Artif. Intell. (2012)
Keyphrases
- query answering
- data exchange
- answering queries
- data complexity
- integrity constraints
- conjunctive queries
- data integration
- incomplete information
- databases
- bayesian networks
- ontology based data access
- data integration systems
- dl lite
- data model
- query rewriting
- datalog programs
- query containment
- consistent query answering
- query relaxation
- inconsistent databases
- uncertain data
- dynamic environments
- data warehouse
- query answers
- regular path queries
- tuple generating dependencies
- knowledge base