Keyphrases
- semantic web ontologies
- description logics
- knowledge base
- expressive description logics
- metadata
- knowledge representation
- reasoning tasks
- reasoning systems
- knowledge representation formalisms
- reasoning services
- knowledge representation systems
- reasoning problems
- logical implication
- dl lite
- reasoning mechanism
- exptime complete
- knowledge representation and reasoning
- computational properties
- machine learning
- concept descriptions
- semantic web
- domain knowledge
- computing least common subsumers
- mathcal shiq
- snomed ct
- formal ontologies
- number restrictions
- refinement operators
- np complete
- artificial intelligence