Hybrid Query Answering Over DL Ontologies.
Giorgos StoilosGiorgos B. StamouPublished in: Description Logics (2014)
Keyphrases
- query answering
- dl lite
- transitive roles
- ontology languages
- description logics
- conjunctive queries
- data exchange
- data complexity
- ontology based data access
- conjunctive query answering
- integrity constraints
- data integration
- answering queries
- incomplete information
- ontology mappings
- query rewriting
- inconsistent databases
- owl dl
- semantic web
- tight complexity bounds
- information integration
- query answers
- unions of conjunctive queries
- domain knowledge
- double exponential
- xml data exchange
- decision making
- decision procedures
- datalog programs
- owl ontologies
- formal semantics
- knowledge representation
- special case
- computational complexity