Learning Effective Multimodal Dialogue Strategies from Wizard-of-Oz Data: Bootstrapping and Evaluation Verena Rieser author Oliver Lemon 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 rieser-lemon-2008-learning https://aclanthology.org/P08-1073/ 2008-06 638 646