NTU_NLP at SemEval-2020 Task 12: Identifying Offensive Tweets Using Hierarchical Multi-Task Learning Approach Po-Chun Chen author Hen-Hsen Huang author Hsin-Hsi Chen author 2020-12 text Proceedings of the Fourteenth Workshop on Semantic Evaluation Aurelie Herbelot editor Xiaodan Zhu editor Alexis Palmer editor Nathan Schneider editor Jonathan May editor Ekaterina Shutova editor International Committee for Computational Linguistics Barcelona (online) conference publication chen-etal-2020-ntu 10.18653/v1/2020.semeval-1.279 https://aclanthology.org/2020.semeval-1.279/ 2020-12 2105 2110