TAN, C.; QIU, W.; CHEN, M.; WANG, R.; HUANG, F. Boundary Enhanced Neural Span Classification for Nested Named Entity Recognition. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 34, n. 05, p. 9016-9023, 2020. DOI: 10.1609/aaai.v34i05.6434. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/6434. Acesso em: 8 mar. 2021.