@misc{ding2018effective,
  title={Effective Feature Learning with Unsupervised Learning for Improving the Predictive Models in Massive Open Online Courses},
  author={Mucong Ding and Kai Yang and Dit-Yan Yeung and Ting-Chuen Pong},
  year={2018},
  eprint={1812.05044},
  archivePrefix={arXiv},
  primaryClass={cs.LG},
  url={https://arxiv.org/abs/1812.05044}
}