Finite Open-World Query Answering with Number Restrictions (Extended Version).
Antoine AmarilliMichael BenediktPublished in: CoRR (2015)
Keyphrases
- query answering
- open world
- unions of conjunctive queries
- data exchange
- closed world
- data complexity
- number restrictions
- dl lite
- incomplete information
- conjunctive queries
- data integration
- answering queries
- integrity constraints
- description logics
- query rewriting
- inverse roles
- schema mappings
- datalog programs
- query containment
- data analysis
- knowledge base
- xml queries
- autonomous agents
- data warehouse
- data sources
- artificial intelligence
- databases