Towards more expressive ontology languages: The query answering problem.
Andrea CalìGeorg GottlobAndreas PierisPublished in: Artif. Intell. (2012)
Keyphrases
- query answering
- ontology languages
- data complexity
- data exchange
- answering queries
- complexity of query answering
- incomplete information
- conjunctive queries
- integrity constraints
- owl dl
- data integration
- query rewriting
- semantic web
- ontology based data access
- description logics
- dl lite
- data sets
- database
- domain specific
- conceptual modeling
- owl ontologies
- information systems