SINGGALEN, Yerik Afrianto. Sentiment Analysis and Trend Mapping of Hotel Reviews Using LSTM and GRU. Journal of Information Systems and Informatics, [S. l.], v. 6, n. 4, p. 2814–2836, 2024. DOI: 10.51519/journalisi.v6i4.926. Disponível em: https://www.journal-isi.org/index.php/isi/article/view/926. Acesso em: 7 mar. 2026.