@inproceedings{uban-etal-2021-studying,
    title = "Studying the Evolution of Scientific Topics and their Relationships",
    author = "Uban, Ana Sabina  and
      Caragea, Cornelia  and
      Dinu, Liviu P.",
    editor = "Zong, Chengqing  and
      Xia, Fei  and
      Li, Wenjie  and
      Navigli, Roberto",
    booktitle = "Findings of the Association for Computational Linguistics: ACL-IJCNLP 2021",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/2021.findings-acl.167/",
    doi = "10.18653/v1/2021.findings-acl.167",
    pages = "1908--1922"
}