Dynamic User Level and Utility Measurement for Adaptive Dialog in a Help-Desk System Preetam Maloor author Joyce Chai author 2000-10 text 1st SIGdial Workshop on Discourse and Dialogue Association for Computational Linguistics Hong Kong, China conference publication maloor-chai-2000-dynamic 10.3115/1117736.1117747 https://aclanthology.org/W00-1011/ 2000-10 94 101