@inproceedings{ikeda-etal-1998-information,
    title = "Information Classification and Navigation Based on 5{W}l{H} of the Target Information",
    author = "Ikeda, Takahiro  and
      Okumura, Akitoshi  and
      Muraki, Kazunori",
    booktitle = "{COLING} 1998 Volume 1: The 17th International Conference on Computational Linguistics",
    year = "1998",
    url = "https://aclanthology.org/C98-1090/"
}