@inproceedings{imai-tanaka-1998-method,
    title = "A Method of Incorporating Bigram Constraints into an {LR} Table and Its Effectiveness in Natural Language Processing",
    author = "Imai, Hiroki  and
      Tanaka, Hozumi",
    booktitle = "New Methods in Language Processing and Computational Natural Language Learning",
    year = "1998",
    url = "https://preview.aclanthology.org/fix-sig-urls/W98-1227/"
}