@inproceedings{navarretta-paggio-2010-classification,
    title = "Classification of Feedback Expressions in Multimodal Data",
    author = "Navarretta, Costanza  and
      Paggio, Patrizia",
    editor = "Haji{\v{c}}, Jan  and
      Carberry, Sandra  and
      Clark, Stephen  and
      Nivre, Joakim",
    booktitle = "Proceedings of the {ACL} 2010 Conference Short Papers",
    month = jul,
    year = "2010",
    address = "Uppsala, Sweden",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/P10-2059/",
    pages = "318--324"
}