@inproceedings{parada-etal-2011-learning,
    title = "Learning Sub-Word Units for Open Vocabulary Speech Recognition",
    author = "Parada, Carolina  and
      Dredze, Mark  and
      Sethy, Abhinav  and
      Rastrow, Ariya",
    editor = "Lin, Dekang  and
      Matsumoto, Yuji  and
      Mihalcea, Rada",
    booktitle = "Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies",
    month = jun,
    year = "2011",
    address = "Portland, Oregon, USA",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/P11-1072/",
    pages = "712--721"
}