%0 Journal Article %T LearnDA: Learnable Knowledge-Guided Data Augmentation for Event Causality Identification %A Zuo, Xinyu %A Cao, Pengfei %A Chen, Yubo %A Liu, Kang %A Zhao, Jun %A Peng, Weihua %A Chen, Yuguang %A , %J Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 1: Long Papers) %D 2021-01-01 %I Association for Computational Linguistics %~ DeepDyve