【NLP】ACL2019-多轮对话

论文：Modeling Semantic Relationship in Multi-turn Conversations with Hierarchical Latent Variables  

Lei Shen，Yang Feng，Haolan Zhan

模型框架如下图：

zc is used to control the whole background in which the conversation takes place, zp is for the consistency of topic between
query and response pair, zq and zr try to model the content difference in each of them, respectively

先验和后验分布用了正态分布，其中的期望和方差用神经网络计算出来。

实验效果：

效果提升一般。