Keyphrases
- modal logic
- description logics
- temporal logic
- decision procedures
- knowledge base
- inference rules
- dl lite
- epistemic logic
- reasoning problems
- knowledge representation
- nonmonotonic logics
- reasoning tasks
- classical logic
- semantic web
- reasoning systems
- computing least common subsumers
- situation calculus
- default logic
- knowledge representation and reasoning
- model theoretic
- modal operators
- reasoning services
- number restrictions
- artificial intelligence
- concept descriptions
- ontology languages
- satisfiability problem
- data integration
- database