Preference-Based Query Answering in Datalog+/- Ontologies.
Thomas LukasiewiczMaria Vanina MartinezGerardo Ignacio SimariPublished in: IJCAI (2013)
Keyphrases
- query answering
- ontology based data access
- dl lite
- ontology languages
- data exchange
- data complexity
- ontology mappings
- integrity constraints
- incomplete information
- conjunctive queries
- answering queries
- transitive roles
- data integration
- query rewriting
- domain ontology
- semantic web
- datalog programs
- databases
- query answers
- inconsistent databases
- unions of conjunctive queries
- schema mappings
- owl ontologies
- query containment
- description logics
- information integration
- knowledge base