@inproceedings{ma-etal-2021-simple,
    title = "Simple and Effective Unsupervised Redundancy Elimination to Compress Dense Vectors for Passage Retrieval",
    author = "Ma, Xueguang  and
      Li, Minghan  and
      Sun, Kai  and
      Xin, Ji  and
      Lin, Jimmy",
    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.227/",
    doi = "10.18653/v1/2021.emnlp-main.227",
    pages = "2854--2859"
}