Spoken Dialogue Control Based on a Turn-minimization Criterion Depending on the Speech Recognition Accuracy Norihi Yasuda author Kohji Dohsaka author Kiyoaki Aikawa author 2001 text Proceedings of the Second SIGdial Workshop on Discourse and Dialogue conference publication yasuda-etal-2001-spoken https://aclanthology.org/W01-1629/ 2001