Semi-supervised Intent Discovery with Contrastive Learning Xiang Shen author Yinge Sun author Yao Zhang author Mani Najmabadi author 2021-11 text Proceedings of the 3rd Workshop on Natural Language Processing for Conversational AI Alexandros Papangelis editor Paweł Budzianowski editor Bing Liu editor Elnaz Nouri editor Abhinav Rastogi editor Yun-Nung Chen editor Association for Computational Linguistics Online conference publication shen-etal-2021-semi 10.18653/v1/2021.nlp4convai-1.12 https://aclanthology.org/2021.nlp4convai-1.12/ 2021-11 120 129