@inproceedings{louis-cohen-2015-conversation,
    title = "Conversation Trees: A Grammar Model for Topic Structure in Forums",
    author = "Louis, Annie  and
      Cohen, Shay B.",
    editor = "M{\`a}rquez, Llu{\'i}s  and
      Callison-Burch, Chris  and
      Su, Jian",
    booktitle = "Proceedings of the 2015 Conference on Empirical Methods in Natural Language Processing",
    month = sep,
    year = "2015",
    address = "Lisbon, Portugal",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/iwcs-25-ingestion/D15-1178/",
    doi = "10.18653/v1/D15-1178",
    pages = "1543--1553"
}