Query Answering in Description Logics: The Knots Approach.
Thomas EiterCarsten LutzMagdalena OrtizMantas SimkusPublished in: WoLLIC (2009)
Keyphrases
- query answering
- transitive roles
- description logics
- dl lite
- conjunctive query answering
- data exchange
- integrity constraints
- data complexity
- incomplete information
- data integration
- conjunctive queries
- answering queries
- inconsistent databases
- double exponential
- exptime complete
- knowledge base
- computational properties
- query containment
- query answers
- tuple generating dependencies
- database
- computational complexity
- model theoretic
- schema mappings
- semantic web
- data warehouse
- knowledge representation
- data model
- xml documents