Query Answering for Rough EL Ontologies (Extended Technical Report).
Rafael PeñalozaVeronika ThostAnni-Yasmin TurhanPublished in: CoRR (2018)
Keyphrases
- query answering
- dl lite
- technical report
- description logics
- data exchange
- data complexity
- ontology languages
- conjunctive queries
- ontology based data access
- incomplete information
- query rewriting
- answering queries
- integrity constraints
- data integration
- ontology mappings
- first order logic
- semantic web
- inconsistent databases
- data integration systems
- databases
- query answers
- computational complexity
- reasoning tasks
- knowledge base
- query relaxation
- expressive power
- knowledge representation
- datalog programs