Discourse Obligations in Dialogue Processing David R Traum author James F Allen author 1994-06 text 32nd Annual Meeting of the Association for Computational Linguistics Association for Computational Linguistics Las Cruces, New Mexico, USA conference publication traum-allen-1994-discourse 10.3115/981732.981733 https://aclanthology.org/P94-1001/ 1994-06 1 8