The Impact of Disjunction on Query Answering Under Guarded-Based Existential Rules.
Pierre BourhisMichael MorakAndreas PierisPublished in: Description Logics (2013)
Keyphrases
- query answering
- data exchange
- answering queries
- data complexity
- conjunctive queries
- tuple generating dependencies
- incomplete information
- integrity constraints
- data integration
- dl lite
- association rules
- ontology based data access
- production rules
- datalog programs
- query answers
- fixpoint semantics
- query rewriting
- inconsistent databases
- query evaluation
- description logics
- databases
- data sets
- database