arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2201.06731cs.CLcs.LG
收藏

基于密度的深度聚类包围的对话意图诱导

Dialog Intent Induction via Density-based Deep Clustering Ensemble

Fuxi AI Lab, NetEase Inc.(网易伏羲人工智能实验室)

Jiashu Pu, Guandan Chen, Yongzhu Chang, Xiaoxi Mao

摘要:

现有的面向任务的聊天机器人严重依赖口语语言理解(SLU)系统来确定用户话语的意图和其他关键信息以完成特定任务。在实际应用中,偶尔从会话日志中诱导新的对话意图以改善用户体验是至关重要的。在本文中,我们提出了基于密度的深度聚类包围盒(DDCE)的对话意图诱导方法。与现有的基于K-means的方法相比,我们所提出的方法在处理大量离群值存在的实际情况下更有效。为了最大限度地提高数据利用率,我们联合优化文本的表示和聚类算法的超参数。此外,我们设计了一个离群感知聚类集成框架来处理过拟合问题。七个数据集的实验结果表明,我们提出的方法显着优于其他国家的最先进的基线。

英文摘要:

Existing task-oriented chatbots heavily rely on spoken language understanding (SLU) systems to determine a user's utterance's intent and other key information for fulfilling specific tasks. In real-life applications, it is crucial to occasionally induce novel dialog intents from the conversation logs to improve the user experience. In this paper, we propose the Density-based Deep Clustering Ensemble (DDCE) method for dialog intent induction. Compared to existing K-means based methods, our proposed method is more effective in dealing with real-life scenarios where a large number of outliers exist. To maximize data utilization, we jointly optimize texts' representations and the hyperparameters of the clustering algorithm. In addition, we design an outlier-aware clustering ensemble framework to handle the overfitting issue. Experimental results over seven datasets show that our proposed method significantly outperforms other state-of-the-art baselines.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑