CASIA OpenIR  > 模式识别国家重点实验室  > 自然语言处理
Incremental Learning from Scratch for Task-Oriented Dialogue Systems
Weikang Wang; Jiajun Zhang; Qian Li; Mei-Yuh Hwang; Chengqing Zong; Zhifei Li
2019
会议名称ACL-2019
会议日期2019
会议地点Florence, Italia
摘要

Clarifying user needs is essential for existing task-oriented dialogue systems. However, in real-world applications, developers can never guarantee that all possible user demands are taken into account in the design phase. Consequently, existing systems will break down when encountering unconsidered user needs. To address this problem, we propose a novel incremental learning framework to design task-oriented dialogue systems, or for short Incremental Dialogue System (IDS), without pre-defining the exhaustive list of user needs. Specifically, we introduce an uncertainty estimation module to evaluate the confidence of giving correct responses. If there is high confidence, IDS will provide responses to users. Otherwise, humans will be involved in the dialogue process, and IDS can learn from human intervention through an online learning module. To evaluate our method, we propose a new dataset which simulates unanticipated user needs in the deployment stage. Experiments show that IDS is robust to unconsidered user actions, and can update itself online by smartly selecting only the most effective training data, and hence attains better performance with less annotation cost.

七大方向——子方向分类自然语言处理
文献类型会议论文
条目标识符http://ir.ia.ac.cn/handle/173211/26135
专题模式识别国家重点实验室_自然语言处理
作者单位中国科学院自动化研究所
推荐引用方式
GB/T 7714
Weikang Wang,Jiajun Zhang,Qian Li,et al. Incremental Learning from Scratch for Task-Oriented Dialogue Systems[C],2019.
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