THINH, Pham Hoai Phu; DUY, Vu Tran; DUC, Do Tran Anh. NER - VLSP 2021: A Span-Based Model for Named Entity Recognition Task with Co-teaching+ Training Strategy. VNU Journal of Science: Computer Science and Communication Engineering, [S.l.], v. 38, n. 1, june 2022. ISSN 2588-1086. Available at: <//>. Date accessed: 06 oct. 2022. doi: