Query answering under probabilistic uncertainty in Datalog+ / - ontologies.
Georg GottlobThomas LukasiewiczMaria Vanina MartinezGerardo I. SimariPublished in: Ann. Math. Artif. Intell. (2013)
Keyphrases
- query answering
- ontology based data access
- dl lite
- uncertain data
- incomplete information
- data exchange
- ontology languages
- conjunctive queries
- data integration
- data complexity
- integrity constraints
- probability theory
- ontology mappings
- transitive roles
- query rewriting
- answering queries
- datalog programs
- probabilistic databases
- inconsistent databases
- schema mappings
- data warehouse
- knowledge base
- regular path queries
- deductive databases
- expressive power
- semantic web
- data management
- knowledge representation
- possibility theory
- query containment
- domain ontology
- databases
- complexity of query answering