Evaluating Large Language Models for Brazilian Portuguese Sentiment Analysis: A Comparative Study of Multilingual State-of-the-Art vs. Brazilian Portuguese Fine-Tuned LLMs. - André da Fonseca Schuck; Gabriel Lino Garcia; João Renato Ribeiro Manesco; Pedro Henrique Paiola; João Paulo Papa (J. Braz. Comput. Soc., 2025)