A Partition Tree Approach to Combine Techniques to Refine Item to Skills Q-Matrices.

Michel C. Desmarais Peng Xu Behzad Beheshti

Published in: EDM (2015)

Keyphrases

binary tree
tree structure
tree structures
index structure
tree construction
high dimensional
singular value decomposition
phylogenetic trees
tree models
user preferences
hierarchical structure
b tree
classification trees
positive definite
partitioning algorithm
refinement process