Prototyping virtual instructors from human-human corpora Luciana Benotti author Alexandre Denis author 2011-06 text Proceedings of the ACL-HLT 2011 System Demonstrations Sadao Kurohashi editor Association for Computational Linguistics Portland, Oregon conference publication benotti-denis-2011-prototyping https://aclanthology.org/P11-4011/ 2011-06 62 67