SITUMEANG, S. Impact of Text Preprocessing on Named Entity Recognition Based on Conditional Random Field in Indonesian Text. Jurnal Mantik, [S. l.], v. 6, n. 1, p. 423-430, 2022. Disponível em: https://iocscience.org/ejournal/index.php/mantik/article/view/2297. Acesso em: 29 aug. 2026.