Query Answering in Probabilistic Datalog+/- Ontologies under Group Preferences.
Thomas LukasiewiczMaria Vanina MartinezGerardo I. SimariOana Tifrea-MarciuskaPublished in: Web Intelligence (2013)
Keyphrases
- query answering
- ontology based data access
- dl lite
- data exchange
- ontology languages
- data complexity
- integrity constraints
- conjunctive queries
- data integration
- answering queries
- incomplete information
- ontology mappings
- transitive roles
- datalog programs
- query rewriting
- databases
- uncertain data
- semantic web
- schema mappings
- query containment
- knowledge base
- inconsistent databases
- np hard
- description logics
- relational databases
- unions of conjunctive queries
- tuple generating dependencies
- data management
- logic programs
- data mining