HU, Q.; ZHOU, J.; CHEN, Q.; HE, L. SNNN: Promoting Word Sentiment and Negation in Neural Sentiment Classification. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 32, n. 1, 2018. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/11665. Acesso em: 19 oct. 2021.