Keyphrases
- description logics
- access control
- role based access control
- dl programs
- knowledge base
- concept descriptions
- knowledge representation
- reasoning tasks
- description logic programs
- computational properties
- owl ontologies
- dl lite
- snomed ct
- semantic web
- reasoning services
- production rules
- logical implication
- access control policies
- reasoning problems
- computing least common subsumers
- ontology languages
- rbac model
- background knowledge
- conflict resolution
- reasoning mechanism
- access control mechanism
- security policies
- inductive learning
- logic programs
- model theoretic
- multi domain
- refinement operators
- phase transition
- machine learning