Design of Automatic Extraction Algorithm of Knowledge Points for MOOCs.
Haijian ChenDongmei HanYonghui DaiLina ZhaoPublished in: Comput. Intell. Neurosci. (2015)
Keyphrases
- automatic extraction
- detection algorithm
- preprocessing
- dynamic programming
- k means
- learning algorithm
- segmentation algorithm
- optimal solution
- computational complexity
- search space
- probabilistic model
- optimization algorithm
- significant improvement
- point sets
- simulated annealing
- convergence rate
- named entities
- convex hull
- knowledge representation
- relation extraction
- delaunay triangulation
- feature points
- particle swarm optimization
- data mining techniques
- information extraction
- computational cost
- domain knowledge
- cost function
- association rules
- clustering algorithm
- knowledge base