@article{asurveyforefficientopendomainquestion,
  title = {A Survey for Efficient Open Domain Question Answering},
  author = {Qin Zhang and Shangsi Chen and Dongkuan Xu and Qingqing Cao and Xiaojun Chen and Trevor Cohn and Meng Fang},
  year = {2022},
  eprint = {2211.07886},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2211.07886v1},
}