Query Answering with DBoxes is Hard.
Enrico FranconiYazmín Angélica Ibáñez-GarcíaInanç SeylanPublished in: Electron. Notes Theor. Comput. Sci. (2011)
Keyphrases
- query answering
- data exchange
- conjunctive queries
- data complexity
- integrity constraints
- data integration
- answering queries
- incomplete information
- query rewriting
- inconsistent databases
- data integration systems
- schema mappings
- case study
- data sets
- query containment
- dl lite
- query answers
- data management
- transitive roles
- ontology based data access