多轮任务型对话系统研究进展

对话系统旨在实现机器与人类进行信息交流并向其提供个性化服务，具有一定的研究价值。为了及时跟进相关领域的研究，对其目前研究进展进行综述。首先针对对话系统的发展和分类情况进行介绍；其次综述了任务型对话系统的架构，重点梳理基于模块和基于端到端两种框架，并进一步总结归纳所使用模型的优缺点；接下来介绍任务型对话系统的评估方法以及应用领域，包括电商领域、教育领域和医学领域等方面；最后对多轮任务型对话系统面临的问题与挑战进行分析并作出总结。

Research progress of multi-turn task-oriented dialogue system

Dialogue system aims to realize the communication for information between machine and human so as to provide personalized service, it has certain research value. In order to follow up the research in related fields timely, the current research progress is reviewed. Firstly, it introduced the development and classification of dialogue system. Secondly, it summarized the architecture of task-oriented dialogue system, focusing on module based and the end-to-end based frameworks, then summarized the advantages and disadvantages of the models. Thirdly, it introduced the evaluation methods and application fields of task-oriented dialogue system, including e-commerce, education, medicine and so on. Finally, it analyzed and summarized the problems and challenges faced by the multi-turn task-oriented dialogue system.