Keyphrases
- upper level
- lower level
- domain specific
- bilevel programming
- domain ontology
- social interaction
- domain knowledge
- domain independent
- social networks
- specific domains
- domain models
- semantic web
- low level
- domain specific ontologies
- higher level
- knowledge representation
- social media
- computer science
- cross domain
- high level
- artificial intelligence
- knowledge sharing
- semantic web technologies
- owl ontologies
- social context
- learning environment
- knowledge base