@inproceedings{sakai-masuyama-2002-unsupervised,
    title = "Unsupervised Knowledge Acquisition about the Deletion Possibility of Adnominal Verb Phrases",
    author = "Sakai, Hiroyuki  and
      Masuyama, Shigeru",
    booktitle = "{COLING}-02: Multilingual Summarization and Question Answering",
    year = "2002",
    url = "https://aclanthology.org/W02-1907/"
}