TAKANOBU, Ryuichi; ZHANG, Tianyang; LIU, Jiexi; HUANG, Minlie. A Hierarchical Framework for Relation Extraction with Reinforcement Learning. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 33, n. 01, p. 7072–7079, 2019. DOI: 10.1609/aaai.v33i01.33017072. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/4688. Acesso em: 28 may. 2026.