Contrastive Zero-Shot Learning for Cross-Domain Slot Filling with Adversarial Attack Keqing He author Jinchao Zhang author Yuanmeng Yan author Weiran Xu author Cheng Niu author Jie Zhou author 2020-12 text Proceedings of the 28th International Conference on Computational Linguistics Donia Scott editor Nuria Bel editor Chengqing Zong editor International Committee on Computational Linguistics Barcelona, Spain (Online) conference publication he-etal-2020-contrastive 10.18653/v1/2020.coling-main.126 https://aclanthology.org/2020.coling-main.126/ 2020-12 1461 1467