LIANTONI, Febri; HARDIANSYAH, Muhammad; PUTRA, Elham Syahrian; PIANTARI, Erna. Automated Vader Lexicon Labeling on Sentiment Analysis Against The E-Wallet . Ultimatics : Jurnal Teknik Informatika, [S. l.], v. 18, n. 1, p. 91–97, 2026. DOI: 10.31937/ti.v18i1.4536. Disponível em: https://ejournals.umn.ac.id/index.php/TI/article/view/4536. Acesso em: 5 jul. 2026.