TA-MAMC at SemEval-2021 Task 4: Task-adaptive Pretraining and Multi-head Attention for Abstract Meaning Reading Comprehension Jing Zhang author Yimeng Zhuang author Yinpei Su 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 zhang-etal-2021-ta 10.18653/v1/2021.semeval-1.5 https://aclanthology.org/2021.semeval-1.5/ 2021-08 51 58