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Exploiting Knowledge Hierarchy for Finding Similar Exercises in Online Education Systems.
Wei Tong
Shiwei Tong
Wei Huang
Liyang He
Jianhui Ma
Qi Liu
Enhong Chen
Published in:
ICDM (2020)
Keyphrases
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finding similar
learning systems
online education
knowledge representation
knowledge sharing
data sets
information retrieval
knowledge management
virtual environment
statistically significant