Keyphrases
- description logics
- dl programs
- reasoning tasks
- knowledge base
- knowledge representation
- concept descriptions
- dl lite
- computational properties
- owl ontologies
- knowledge representation and reasoning
- highly expressive
- description logic programs
- knowledge representation formalisms
- reasoning systems
- reasoning problems
- semantic web
- model theoretic
- reasoning services
- production rules
- knowledge representation languages
- tight complexity bounds
- number restrictions
- fuzzy description logics
- graph mining
- ontology languages
- function free horn
- computing least common subsumers
- owl dl
- business rules
- expert systems
- computational complexity