@article{athoroughexaminationonzeroshotdense,
  title = {A Thorough Examination on Zero-shot Dense Retrieval},
  author = {Ruiyang Ren and Yingqi Qu and Jing Liu and Wayne Xin Zhao and Qifei Wu and Yuchen Ding and Hua Wu and Haifeng Wang and Ji-Rong Wen},
  year = {2022},
  eprint = {2204.12755},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2204.12755v2},
}