@inproceedings{huang2023towards,
  title={Towards Robust Knowledge Tracing Models via k-Sparse Attention},
  author={Huang, Shuyan and Liu, Zitao and Zhao, Xiangyu and Luo, Weiqi and Weng, Jian},
  booktitle={Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval},
  pages={2441--2445},
  year={2023}
}