@inproceedings{frustratinglyhardevidenceretrievalforqa1,
  title = {Frustratingly Hard Evidence Retrieval for QA Over Books},
  author = {Xiangyang Mou and Mo Yu and Bingsheng Yao and Chenghao Yang and Xiaoxiao Guo and Saloni Potdar and Hui Su},
  year = {2020},
  booktitle = {WS 2020 7},
  eprint = {2007.09878},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2007.09878v1},
}