Keyphrases
- description logics
- knowledge base
- knowledge representation
- reasoning tasks
- computational properties
- computing least common subsumers
- reasoning systems
- snomed ct
- dl lite
- ontology languages
- reasoning problems
- concept descriptions
- owl dl
- logical implication
- reasoning mechanism
- expert systems
- model theoretic
- refinement operators
- first order logic
- dl programs
- ontology reasoning
- semantic web
- relational databases
- terminological knowledge