Unknown Intent Detection Using Gaussian Mixture Model with an Application to Zero-shot Intent Classification Lu Fan author Guangfeng Yan author Qimai Li author Han Liu author Xiaotong Zhang author Albert Y.S. Lam author Xiao-Ming Wu author 2020-07 text Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics Dan Jurafsky editor Joyce Chai editor Natalie Schluter editor Joel Tetreault editor Association for Computational Linguistics Online conference publication yan-etal-2020-unknown 10.18653/v1/2020.acl-main.99 https://aclanthology.org/2020.acl-main.99/ 2020-07 1050 1060