Acyclicity Notions for Existential Rules and Their Application to Query Answering in Ontologies.
Bernardo Cuenca GrauIan HorrocksMarkus KrötzschClemens KupkeDespoina MagkaBoris MotikZhe WangPublished in: J. Artif. Intell. Res. (2013)
Keyphrases
- query answering
- data exchange
- ontology based data access
- dl lite
- integrity constraints
- answering queries
- incomplete information
- conjunctive queries
- data complexity
- ontology languages
- data integration
- inconsistent databases
- query rewriting
- ontology mappings
- transitive roles
- datalog programs
- query answers
- databases
- xml data exchange
- deductive databases
- semantic web
- decision support
- association rules
- knowledge base