@article{guu2020realm,
    title={REALM: Retrieval-Augmented Language Model Pre-Training},
    author={Kelvin Guu and Kenton Lee and Zora Tung and Panupong Pasupat and Ming-Wei Chang},
    year={2020},
    journal = {arXiv e-prints},
    archivePrefix = {arXiv},
    eprint={2002.08909},
}