@inproceedings{tillmann-ney-1997-word,
    title = "Word Triggers and the {EM} Algorithm",
    author = "Tillmann, Christoph  and
      Ney, Hermann",
    booktitle = "{C}o{NLL}97: Computational Natural Language Learning",
    year = "1997",
    url = "https://preview.aclanthology.org/fix-sig-urls/W97-1014/"
}