Alpha at SemEval-2021 Task 6: Transformer Based Propaganda Classification Zhida Feng author Jiji Tang author Jiaxiang Liu author Weichong Yin author Shikun Feng author Yu Sun author Li Chen author 2021-08 text Proceedings of the 15th International Workshop on Semantic Evaluation (SemEval-2021) Alexis Palmer editor Nathan Schneider editor Natalie Schluter editor Guy Emerson editor Aurelie Herbelot editor Xiaodan Zhu editor Association for Computational Linguistics Online conference publication feng-etal-2021-alpha 10.18653/v1/2021.semeval-1.8 https://aclanthology.org/2021.semeval-1.8/ 2021-08 99 104