Introducing Nominals to the Combined Query Answering Approaches for EL.
Giorgio StefanoniBoris MotikIan HorrocksPublished in: Description Logics (2013)
Keyphrases
- query answering
- description logics
- data exchange
- dl lite
- data integration
- incomplete information
- integrity constraints
- conjunctive queries
- data complexity
- inconsistent databases
- answering queries
- knowledge representation
- query rewriting
- np hard
- ontology languages
- case study
- query answers
- data integration systems
- database