UAntwerp at SemEval-2021 Task 5: Spans are Spans, stacking a binary word level approach to toxic span detection Ben Burtenshaw author Mike Kestemont 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 burtenshaw-kestemont-2021-uantwerp 10.18653/v1/2021.semeval-1.121 https://aclanthology.org/2021.semeval-1.121/ 2021-08 898 903