Finite Open-World Query Answering with Number Restrictions.
Antoine AmarilliMichael BenediktPublished in: LICS (2015)
Keyphrases
- query answering
- open world
- unions of conjunctive queries
- number restrictions
- data exchange
- conjunctive queries
- incomplete information
- data complexity
- dl lite
- closed world
- answering queries
- data integration
- integrity constraints
- description logics
- query rewriting
- inverse roles
- schema mappings
- data management
- query containment
- decision procedures
- datalog programs
- regular path queries
- xml schema