PRASETYANINGRUM, P. T.; NORSHAHILA IBRAHIM; OZZI SURIA. Optimizing Sentiment Analysis of Hotel Reviews Using PCA and Machine Learning for Tourism Business Decision Support. Indonesian Journal of Information Systems, [S. l.], v. 8, n. 1, p. 36–49, 2025. Disponível em: https://ojs.uajy.ac.id/index.php/IJIS/article/view/10978. Acesso em: 4 oct. 2025.