@inproceedings{romanello-etal-2009-citations,
    title = "Citations in the Digital Library of Classics: Extracting Canonical References by Using Conditional Random Fields",
    author = "Romanello, Matteo  and
      Boschetti, Federico  and
      Crane, Gregory",
    editor = "Kan, Min-Yen  and
      Teufel, Simone",
    booktitle = "Proceedings of the 2009 Workshop on Text and Citation Analysis for Scholarly Digital Libraries ({NLPIR}4{DL})",
    month = aug,
    year = "2009",
    address = "Suntec City, Singapore",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/W09-3610/",
    pages = "80--87"
}