SKEP: Sentiment Knowledge Enhanced Pre-training for Sentiment Analysis Hao Tian author Can Gao author Xinyan Xiao author Hao Liu author Bolei He author Hua Wu author Haifeng Wang author Feng 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 tian-etal-2020-skep 10.18653/v1/2020.acl-main.374 https://aclanthology.org/2020.acl-main.374/ 2020-07 4067 4076