Hidden Softmax Sequence Model for Dialogue Structure Analysis Zhiyang He author Xien Liu author Ping Lv author Ji Wu author 2016-08 text Proceedings of the 54th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Katrin Erk editor Noah A Smith editor Association for Computational Linguistics Berlin, Germany conference publication he-etal-2016-hidden 10.18653/v1/P16-1194 https://aclanthology.org/P16-1194/ 2016-08 2063 2072