@article{attenwalkerunsupervisedlongdocument,
  title = {AttenWalker: Unsupervised Long-Document Question Answering via Attention-based Graph Walking},
  author = {Yuxiang Nie and Heyan Huang and Wei Wei and Xian-Ling Mao},
  year = {2023},
  eprint = {2305.02235},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2305.02235v1},
}