@inproceedings{lee-etal-2021-phrase, title = "Phrase Retrieval Learns Passage Retrieval, Too", author = "Lee, Jinhyuk and Wettig, Alexander and Chen, Danqi", editor = "Moens, Marie-Francine and Huang, Xuanjing and Specia, Lucia and Yih, Scott Wen-tau", booktitle = "Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing", month = nov, year = "2021", address = "Online and Punta Cana, Dominican Republic", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/fix-sig-urls/2021.emnlp-main.297/", doi = "10.18653/v1/2021.emnlp-main.297", pages = "3661--3672" }