@inproceedings{gu-etal-2020-filtering,
    title = "Filtering before Iteratively Referring for Knowledge-Grounded Response Selection in Retrieval-Based Chatbots",
    author = "Gu, Jia-Chen  and
      Ling, Zhenhua  and
      Liu, Quan  and
      Chen, Zhigang  and
      Zhu, Xiaodan",
    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.127/",
    doi = "10.18653/v1/2020.findings-emnlp.127",
    pages = "1412--1422"
}