@inproceedings{shichiri-etal-2008-automatic,
    title = "Automatic Estimation of Word Significance oriented for Speech-based Information Retrieval",
    author = "Shichiri, Takashi  and
      Nanjo, Hiroaki  and
      Yoshimi, Takehiko",
    booktitle = "Proceedings of the Third International Joint Conference on Natural Language Processing: Volume-{I}",
    year = "2008",
    url = "https://preview.aclanthology.org/fix-sig-urls/I08-1027/"
}