@inproceedings{chen-etal-1998-pat,
    title = "{PAT}-Trees with the Deletion Function as the Learning Device for Linguistic Patterns",
    author = "Chen, Keh-Jiann  and
      Tsuei, Wen  and
      Chien, Lee-Feng",
    booktitle = "{COLING} 1998 Volume 1: The 17th International Conference on Computational Linguistics",
    year = "1998",
    url = "https://preview.aclanthology.org/fix-sig-urls/C98-1038/"
}