@inproceedings{li-etal-2021-timeline,
    title = "Timeline Summarization based on Event Graph Compression via Time-Aware Optimal Transport",
    author = "Li, Manling  and
      Ma, Tengfei  and
      Yu, Mo  and
      Wu, Lingfei  and
      Gao, Tian  and
      Ji, Heng  and
      McKeown, Kathleen",
    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.519/",
    doi = "10.18653/v1/2021.emnlp-main.519",
    pages = "6443--6456"
}