QIAN, Xian; LIU, Yang. Sequence Labeling with Non-Negative Weighted Higher Order Features. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 26, n. 1, p. 1098–1104, 2021. DOI: 10.1609/aaai.v26i1.8280. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/8280. Acesso em: 10 may. 2026.