Top-k Query Answering in Datalog+/- Ontologies under Subjective Reports (Technical Report).
Thomas LukasiewiczMaria Vanina MartinezCristian MolinaroLivia PredoiuGerardo I. SimariPublished in: CoRR (2013)
Keyphrases
- query answering
- technical report
- ontology based data access
- dl lite
- ontology languages
- data exchange
- data complexity
- ontology mappings
- integrity constraints
- incomplete information
- conjunctive queries
- data integration
- answering queries
- transitive roles
- query rewriting
- datalog programs
- semantic web
- query processing
- knowledge base
- inconsistent databases
- unions of conjunctive queries
- owl ontologies
- data sets
- data management
- databases