On Finite and Unrestricted Query Entailment beyond SQ with Number Restrictions on Transitive Roles.
Tomasz GogaczVíctor Gutiérrez-BasultoYazmín Ibáñez-GarcíaJean Christoph JungFilip MurlakPublished in: Description Logics (2019)
Keyphrases
- transitive roles
- description logics
- inverse roles
- query answering
- number restrictions
- double exponential
- unions of conjunctive queries
- data exchange
- conjunctive queries
- exptime complete
- answering queries
- data complexity
- query rewriting
- knowledge base
- integrity constraints
- transitive closure
- reasoning tasks
- decision procedures
- dl lite
- knowledge representation
- query processing
- expressive power
- np complete
- query evaluation
- query containment
- pspace complete
- data integration
- semantic web
- database