Approximating Most Specific Concepts in Description Logics with Existential Restrictions.
Ralf KüstersRalf MolitorPublished in: KI/ÖGAI (2001)
Keyphrases
- description logics
- concept descriptions
- dl lite
- computing least common subsumers
- ontology based data access
- reasoning services
- knowledge base
- knowledge representation languages
- reasoning tasks
- query answering
- knowledge representation
- knowledge representation formalisms
- owl ontologies
- tight complexity bounds
- inductive learning
- biomedical ontologies
- computational properties
- reasoning systems
- reasoning problems
- fuzzy description logics
- formal ontologies
- uml class diagrams
- knowledge representation systems
- knowledge representation and reasoning
- medical terminology
- semantic web
- expert systems
- representation language
- background knowledge
- domain specific
- number restrictions
- highly expressive
- ontology languages
- expressive power
- data management
- query processing