@article{mcrnetamultistepcointeractiverelation,
  title = {MCR-Net: A Multi-Step Co-Interactive Relation Network for Unanswerable Questions on Machine Reading Comprehension},
  author = {Wei Peng and Yue Hu and Jing Yu and Luxi Xing and Yuqiang Xie and Zihao Zhu and Yajing Sun},
  year = {2021},
  eprint = {2103.04567},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2103.04567v2},
}