Keyphrases
- description logics
- concept descriptions
- fuzzy description logics
- knowledge base
- knowledge representation
- fuzzy sets
- dl lite
- reasoning tasks
- semantic web
- reasoning problems
- computational properties
- reasoning systems
- owl dl
- knowledge representation formalisms
- knowledge representation systems
- knowledge representation and reasoning
- computing least common subsumers
- databases
- inductive learning
- ontology languages
- fuzzy numbers
- terminological knowledge
- model theoretic
- highly expressive
- np hard
- data model
- number restrictions
- expert systems
- knowledge representation languages
- ontology based data access
- database systems