Keyphrases
- domain knowledge
- knowledge acquisition
- concept hierarchy
- knowledge sources
- expert systems
- knowledge representation
- prediction accuracy
- background knowledge
- general knowledge
- video sequences
- knowledge structures
- learning technologies
- knowledge base
- key concepts
- domain ontology
- learning systems
- knowledge based systems
- e learning
- hierarchical structure
- knowledge sharing
- video frames
- design process
- semantic network
- prediction model
- learning activities
- knowledge management
- knowledge discovery
- related concepts
- relevant concepts