Keyphrases
- description logics
- dl programs
- knowledge base
- reasoning tasks
- owl ontologies
- description logic programs
- knowledge representation
- dl lite
- computational properties
- concept descriptions
- reasoning mechanism
- snomed ct
- reasoning systems
- ontology languages
- number restrictions
- semantic web
- reasoning problems
- production rules
- ontology reasoning
- computing least common subsumers
- semantic mapping
- database systems