@inproceedings{roark-etal-2011-lexicographic,
    title = "Lexicographic Semirings for Exact Automata Encoding of Sequence Models",
    author = "Roark, Brian  and
      Sproat, Richard  and
      Shafran, Izhak",
    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://aclanthology.org/P11-2001",
    pages = "1--5",
}