@inproceedings{qiu-etal-2022-efficient, title = "Efficient Document Retrieval by End-to-End Refining and Quantizing {BERT} Embedding with Contrastive Product Quantization", author = "Qiu, Zexuan and Su, Qinliang and Yu, Jianxing and Si, Shijing", editor = "Goldberg, Yoav and Kozareva, Zornitsa and Zhang, Yue", booktitle = "Proceedings of the 2022 Conference on Empirical Methods in Natural Language Processing", month = dec, year = "2022", address = "Abu Dhabi, United Arab Emirates", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/2022.emnlp-main.54/", doi = "10.18653/v1/2022.emnlp-main.54", pages = "853--863" }