SemEval-2021 Task 5: Toxic Spans Detection John Pavlopoulos author Jeffrey Sorensen author Léo Laugier author Ion Androutsopoulos 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 pavlopoulos-etal-2021-semeval 10.18653/v1/2021.semeval-1.6 https://aclanthology.org/2021.semeval-1.6/ 2021-08 59 69