Assessing Dialog System User Simulation Evaluation Measures Using Human Judges Hua Ai author Diane J Litman author 2008-06 text Proceedings of ACL-08: HLT Johanna D Moore editor Simone Teufel editor James Allan editor Sadaoki Furui editor Association for Computational Linguistics Columbus, Ohio conference publication ai-litman-2008-assessing https://aclanthology.org/P08-1071/ 2008-06 622 629