UPB at SemEval-2021 Task 5: Virtual Adversarial Training for Toxic Spans Detection Andrei Paraschiv author Dumitru-Clementin Cercel author Mihai Dascalu 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 paraschiv-etal-2021-upb 10.18653/v1/2021.semeval-1.26 https://aclanthology.org/2021.semeval-1.26/ 2021-08 225 232