UniParma at SemEval-2021 Task 5: Toxic Spans Detection Using CharacterBERT and Bag-of-Words Model Akbar Karimi author Leonardo Rossi author Andrea Prati 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 karimi-etal-2021-uniparma 10.18653/v1/2021.semeval-1.25 https://aclanthology.org/2021.semeval-1.25/ 2021-08 220 224