Transformer-Based Deep Learning Framework for Multiclass Social Media Sentiment Analysis: A Comparative Study of BERT, RoBERTa, DistilBERT, and XLNet Architectures. Journal of Machine Learning Innovations and Artificial Intelligence Horizons, [S. l.], v. 1, n. 1, p. 110–133, 2026. Disponível em: https://jmliaih.notationpublishing.com/1/article/view/9. Acesso em: 6 aug. 2026.