VARATHAN, K. D.; TENGKU SEMBOK, T. M.; ABDUL KADIR, R.; OMAR, N. Semantic Indexing For Question Answering System. Malaysian Journal of Computer Science, [S. l.], v. 27, n. 4, p. 261–274, 2014. Disponível em: https://ejournal.um.edu.my/index.php/MJCS/article/view/6828. Acesso em: 19 may. 2024.