Toward a Plan-Based Understanding Model for Mixed-Initiative Dialogues Hiroaki Kitano author Carol Van Ess-Dykema author 1991-06 text 29th Annual Meeting of the Association for Computational Linguistics Association for Computational Linguistics Berkeley, California, USA conference publication kitano-van-ess-dykema-1991-toward 10.3115/981344.981348 https://aclanthology.org/P91-1004/ 1991-06 25 32