Acyclic Query Answering under Guarded Disjunctive Existential Rules and Consequences to DLs.
Pierre BourhisMichael MorakAndreas PierisPublished in: Description Logics (2014)
Keyphrases
- query answering
- tuple generating dependencies
- dl lite
- conjunctive queries
- transitive roles
- conjunctive query answering
- data exchange
- inconsistent databases
- datalog programs
- answering queries
- data complexity
- integrity constraints
- data integration
- incomplete information
- tight complexity bounds
- description logics
- ontology based data access
- query rewriting
- ontology languages
- query containment
- np hard
- combined complexity
- query answers
- regular path queries
- data sets
- production rules
- schema mappings
- data management
- data mining