@inproceedings{zheng-etal-2020-approximation,
    title = "Approximation of Response Knowledge Retrieval in Knowledge-grounded Dialogue Generation",
    author = "Zheng, Wen  and
      Milic-Frayling, Natasa  and
      Zhou, Ke",
    editor = "Cohn, Trevor  and
      He, Yulan  and
      Liu, Yang",
    booktitle = "Findings of the Association for Computational Linguistics: EMNLP 2020",
    month = nov,
    year = "2020",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/2020.findings-emnlp.321/",
    doi = "10.18653/v1/2020.findings-emnlp.321",
    pages = "3581--3591"
}