@inproceedings{grotheer-etal-2020-covid,
    title = "{COVID}-19 Literature Topic-Based Search via Hierarchical {NMF}",
    author = "Grotheer, Rachel  and
      Huang, Longxiu  and
      Huang, Yihuan  and
      Kryshchenko, Alona  and
      Kryshchenko, Oleksandr  and
      Li, Pengyu  and
      Li, Xia  and
      Rebrova, Elizaveta  and
      Ha, Kyung  and
      Needell, Deanna",
    editor = "Verspoor, Karin  and
      Cohen, Kevin Bretonnel  and
      Conway, Michael  and
      de Bruijn, Berry  and
      Dredze, Mark  and
      Mihalcea, Rada  and
      Wallace, Byron",
    booktitle = "Proceedings of the 1st Workshop on {NLP} for {COVID}-19 (Part 2) at {EMNLP} 2020",
    month = dec,
    year = "2020",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/2020.nlpcovid19-2.4/",
    doi = "10.18653/v1/2020.nlpcovid19-2.4"
}