CHANAA, Abdessamad; EL FADDOULI, Nour-eddine. E-learning Text Sentiment Classification Using Hierarchical Attention Network (HAN). International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 16, n. 13, p. pp. 157–167, 2021. DOI: 10.3991/ijet.v16i13.22579. Disponível em: https://online-journals.org/index.php/i-jet/article/view/22579. Acesso em: 26 apr. 2024.