Top-down controlled and optimal syllable-template chaining algorithm for large vocabulary speech recognition. - Satoshi Kabasawa; Noriyo Hara; Kiichi Hasegawa; Yutaka Uekawa; Eiichi Tsuboka (ICASSP, 1986)

Toward improvement of SDR accuracy using LDA and query expansion for SpokenDoc. - Kiichi Hasegawa; Hideki Sekiya; Masanori Takehara; Taro Niinomi; Satoshi Tamura; Satoru Hayamizu (NTCIR, 2011)

Spoken Document Retrieval Using Extended Query Model and Web Documents. - Kiichi Hasegawa; Masanori Takehara; Satoshi Tamura; Satoru Hayamizu (NTCIR, 2013)