ITNLP at SemEval-2021 Task 11: Boosting BERT with Sampling and Adversarial Training for Knowledge Extraction Genyu Zhang author Yu Su author Changhong He author Lei Lin author Chengjie Sun author Lili Shan 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-itnlp 10.18653/v1/2021.semeval-1.59 https://aclanthology.org/2021.semeval-1.59/ 2021-08 485 489