SAKA, Hildegardis Kristina; PRASETYANINGRUM, Putri Taqwa. Sentiment Analysis and Classification of User Reviews of the ’Access by KAI’ Application Using Machine Learning Methods to Improve Service Quality. Journal of Information Systems and Informatics, [S. l.], v. 7, n. 2, p. 1418–1442, 2025. DOI: 10.51519/journalisi.v7i2.1099. Disponível em: https://www.journal-isi.org/index.php/isi/article/view/1099. Acesso em: 7 mar. 2026.