Keyphrases
- description logics
- dl lite
- ontology languages
- snomed ct
- reasoning services
- semantic web
- knowledge base
- formal ontologies
- owl dl
- dl programs
- ontology reasoning
- knowledge representation
- semantic web ontologies
- owl ontologies
- semantic mapping
- concept descriptions
- reasoning mechanism
- web ontology language
- reasoning tasks
- biomedical ontologies
- ontology mappings
- medical terminology
- daml oil
- expert systems
- artificial intelligence
- computational properties
- query answering
- description logic programs
- computing least common subsumers
- reasoning problems
- data complexity
- expressive power
- knowledge representation languages
- data model
- model theoretic
- semantic web technologies
- information integration
- domain ontology
- first order logic