Preference-Based Query Answering in Datalog+/- Ontologies.
Thomas LukasiewiczMaria Vanina MartinezGerardo I. SimariPublished in: Description Logics (2013)
Keyphrases
- query answering
- ontology based data access
- dl lite
- ontology languages
- data exchange
- data complexity
- ontology mappings
- transitive roles
- data integration
- incomplete information
- answering queries
- integrity constraints
- conjunctive queries
- query rewriting
- datalog programs
- semantic web
- heterogeneous data
- query answers
- data sets
- schema mappings
- inconsistent databases
- query containment
- knowledge representation
- unions of conjunctive queries
- expert systems
- knowledge base
- decision making