Comparative Evaluation of Unigram and Bigram Models for Sentiment Classification of Hotel Reviews. International Journal of Scientific Research in Science and Technology, [S. l.], v. 13, n. 2, p. 935–940, 2026. DOI: 10.32628/IJSRST2613378. Disponível em: https://mail.ijsrst.com/index.php/home/article/view/IJSRST2613378. Acesso em: 29 apr. 2026.