@inproceedings{unsupervisedcorpusawarelanguagemodelpre,
  title = {Unsupervised Corpus Aware Language Model Pre-training for Dense Passage Retrieval},
  author = {Luyu Gao and Jamie Callan},
  year = {2021},
  booktitle = {ACL 2022 5},
  eprint = {2108.05540},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2108.05540v1},
}