@proceedings{ws-2011-natural,
    title = "Proceedings of the Fifteenth Conference on Computational Natural Language Learning",
    editor = "Goldwater, Sharon  and
      Manning, Christopher",
    month = jun,
    year = "2011",
    address = "Portland, Oregon, USA",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/W11-0300",
}