UIT-E10dot3 at SemEval-2021 Task 5: Toxic Spans Detection with Named Entity Recognition and Question-Answering Approaches Phu Gia Hoang author Luan Thanh Nguyen author Kiet Nguyen 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 gia-hoang-etal-2021-uit 10.18653/v1/2021.semeval-1.125 https://aclanthology.org/2021.semeval-1.125/ 2021-08 919 926