Approximating most specific concepts in description logics with existential restrictions.
Ralf KüstersRalf MolitorPublished in: AI Commun. (2002)
Keyphrases
- description logics
- concept descriptions
- dl lite
- computing least common subsumers
- ontology based data access
- reasoning services
- reasoning tasks
- query answering
- ontology languages
- tight complexity bounds
- knowledge representation languages
- knowledge base
- biomedical ontologies
- knowledge representation
- computational properties
- owl ontologies
- fuzzy description logics
- semantic web
- knowledge representation formalisms
- reasoning systems
- knowledge representation and reasoning
- reasoning problems
- integrity constraints
- formal ontologies
- medical terminology
- databases
- decision procedures
- domain specific
- background knowledge
- machine learning
- dl programs
- uml class diagrams
- data complexity
- owl dl
- model theoretic
- inductive learning