Computing Datalog Rewritings Beyond Horn Ontologies.
Bernardo Cuenca GrauBoris MotikGiorgos StoilosIan HorrocksPublished in: IJCAI (2013)
Keyphrases
- query answering
- ontology based data access
- query rewriting
- expressive power
- dl lite
- ontology languages
- semantic web
- databases
- conjunctive queries
- dl programs
- data complexity
- data exchange
- integrity constraints
- regular path queries
- unions of conjunctive queries
- domain ontology
- datalog programs
- knowledge representation
- query language
- queries using views
- knowledge base
- tree patterns
- incomplete information
- materialized views
- query result
- query optimization
- logic programming