http://www.wildml.com/2016/07/deep-learning-for-chatbots-2-retrieval-based-model-tensorflow/
Convolutional Neural Network Architectures for Matching Natual Language Sentences
Learning to Rank Short Text Pairs with Convolutional Deep Neural Networks
A Deep Architecture for Semantic Matching with Multiple Positional Sentence Representations
ABCNN:Attention-Based Convolutional Neural Network for Modeling Sentence Pairs
Optimizing Dialog Management with Reinforcement Learning: Experiments with the NJFun System
Deep Reinforcement Learning with a Natural Language Action Space
Deep Reinforcement Learning for Dialog Generatioin