Automatically Difficulty Grading Method Based on Knowledge Tree.
Jin ZhangChengcheng LiuHaoxiang YangFan FengXiaoli GongPublished in: KSEM (2017)
Keyphrases
- pairwise
- prior knowledge
- domain knowledge
- dynamic programming
- computational cost
- significant improvement
- experimental evaluation
- segmentation method
- detection method
- optimization algorithm
- classification method
- high precision
- decision trees
- preprocessing
- computational complexity
- similarity measure
- matching algorithm
- optimization method
- tree structure
- index structure
- computationally efficient
- knowledge acquisition
- probabilistic model