Query Answering in Datalog+/- Ontologies under Group Preferences and Probabilistic Uncertainty.
Thomas LukasiewiczMaria Vanina MartinezGerardo I. SimariOana Tifrea-MarciuskaPublished in: ICWE Workshops (2013)
Keyphrases
- query answering
- ontology based data access
- dl lite
- uncertain data
- incomplete information
- data exchange
- ontology languages
- data complexity
- conjunctive queries
- answering queries
- integrity constraints
- data integration
- ontology mappings
- probabilistic databases
- probability theory
- query rewriting
- transitive roles
- decision making
- decision theory
- description logics
- inconsistent databases
- datalog programs
- knowledge base
- schema mappings
- databases
- information integration
- decision problems
- domain ontology
- knowledge representation
- query containment
- special case
- metadata
- complexity of query answering