IIE-NLP-Eyas at SemEval-2021 Task 4: Enhancing PLM for ReCAM with Special Tokens, Re-Ranking, Siamese Encoders and Back Translation Yuqiang Xie author Luxi Xing author Wei Peng author Yue Hu 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 xie-etal-2021-iie 10.18653/v1/2021.semeval-1.22 https://aclanthology.org/2021.semeval-1.22/ 2021-08 199 204