@inproceedings{ma-zong-2020-neural,
    title = "Neural Abstractive Multi-Document Summarization: Hierarchical or Flat Structure?",
    author = "Ma, Ye  and
      Zong, Lu",
    editor = "Liu, Qun  and
      Xiong, Deyi  and
      Ge, Shili  and
      Zhang, Xiaojun",
    booktitle = "Proceedings of the Second International Workshop of Discourse Processing",
    month = dec,
    year = "2020",
    address = "Suzhou, China",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/2020.iwdp-1.6/",
    doi = "10.18653/v1/2020.iwdp-1.6",
    pages = "29--37"
}