ITSPOKE: An Intelligent Tutoring Spoken Dialogue System Diane J Litman author Scott Silliman author 2004-may 2 - may 7 text Demonstration Papers at HLT-NAACL 2004 Association for Computational Linguistics Boston, Massachusetts, USA conference publication litman-silliman-2004-itspoke https://aclanthology.org/N04-3002/ 2004-may 2 - may 7 5 8