Query answering over inconsistent knowledge bases: A probabilistic approach.
Marco CalauttiSergio GrecoCristian MolinaroIrina TrubitsynaPublished in: Theor. Comput. Sci. (2022)
Keyphrases
- query answering
- dl lite
- knowledge base
- inconsistent databases
- data exchange
- conjunctive queries
- data complexity
- integrity constraints
- answering queries
- description logics
- incomplete information
- data integration
- probabilistic databases
- consistent query answering
- data integration systems
- xml data exchange
- query rewriting
- databases
- query containment
- schema mappings
- regular path queries
- knowledge representation
- open world
- datalog programs
- query relaxation
- uncertain data
- first order logic
- database systems
- tuple generating dependencies
- ontology based data access