Reasoning about Explanations for Negative Query Answers in DL-Lite.
Diego CalvaneseMagdalena OrtizMantas SimkusGiorgio StefanoniPublished in: CoRR (2014)
Keyphrases
- query answering
- query answers
- dl lite
- data complexity
- data exchange
- conjunctive queries
- query evaluation
- integrity constraints
- data integration
- incomplete information
- query rewriting
- probabilistic databases
- description logics
- inconsistent databases
- data management
- artificial intelligence
- expressive power
- relational databases
- database systems
- databases