System request detection in conversation based on acoustic and speaker alternation features. - Tomoyuki Yamagata; Atsushi Sako; Tetsuya Takiguchi; Yasuo Ariki (INTERSPEECH, 2007)

Human-Robot Interface Using System Request Utterance Detection Based on Acoustic Features. - Tetsuya Takiguchi; Tomoyuki Yamagata; Atsushi Sako; Nobuyuki Miyake; Jérôme Revaud; Yasuo Ariki (MUE, 2008)

System request detection in human conversation based on multi-resolution Gabor wavelet features. - Tomoyuki Yamagata; Tetsuya Takiguchi; Yasuo Ariki (INTERSPEECH, 2009)