-ary existential quantifier in description logics.
Franz BaaderCarsten LutzEldar KarabaevManfred TheißenPublished in: Description Logics (2005)
Keyphrases
- description logics
- computing least common subsumers
- dl lite
- ontology based data access
- query answering
- knowledge base
- knowledge representation
- reasoning tasks
- concept descriptions
- data complexity
- computational properties
- knowledge representation and reasoning
- reasoning problems
- number restrictions
- reasoning services
- semantic web
- model theoretic
- artificial intelligence
- knowledge representation systems
- reasoning systems
- query rewriting
- expressive power
- owl dl
- ontology languages
- knowledge representation formalisms
- logic programs
- database systems