Conjunctive Query Answering with OWL 2 QL.
Stanislav KikotRoman KontchakovMichael ZakharyaschevPublished in: KR (2012)
Keyphrases
- ontology languages
- data complexity
- description logics
- inverse roles
- query answering
- query language
- dl lite
- semantic web
- exptime complete
- conjunctive queries
- expressive power
- owl dl
- owl ontologies
- knowledge representation
- query evaluation
- formal semantics
- knowledge base
- np complete
- conceptual modeling
- lower complexity
- computational properties
- data model
- incomplete information
- pspace complete
- transitive closure
- query interface
- query complexity
- number restrictions
- databases