Keyphrases
- e learning
- intelligent tutoring systems
- dialogue management
- branch and bound
- learning process
- mixed initiative
- man machine
- human machine
- dialogue system
- conversational agent
- student model
- search tree
- spoken dialogue systems
- speech acts
- student modeling
- human computer
- tutoring system
- learning resources
- data sets
- collaborative learning
- peer tutoring
- discourse structure
- search space
- natural language interfaces
- spoken dialogue
- language generation
- human tutoring