Topic structure extraction for meeting indexing. - Katsutoshi Ohtsuki; Nobuaki Hiroshima; Yoshihiko Hayashi; Katsuji Bessho; Shoichi Matsunaga (INTERSPEECH, 2004)

Multi-pass ASR using vocabulary expansion. - Katsutoshi Ohtsuki; Nobuaki Hiroshima; Shoichi Matsunaga; Yoshihiko Hayashi (INTERSPEECH, 2004)

Unsupervised Vocabulary Expansion for Automatic Transcription of Broadcast News. - Katsutoshi Ohtsuki; Nobuaki Hiroshima; Masahiro Oku; Akihiro Imamura (ICASSP (1), 2005)

Opinion Sentence Search Engine on Open-Domain Blog. - Osamu Furuse; Nobuaki Hiroshima; Setsuo Yamada; Ryoji Kataoka (IJCAI, 2007)

Snippet Generation by Identifying Attribute Associated Information. - Yoko Tanaka; Yoshihiko Suhara; Nobuaki Hiroshima; Hiroyuki Toda; Seiji Susaki (AIRS, 2013)