DE SOUSA, R. F.; ANCHIÊTA, R. T.; NUNES, M. das G. V. A Graph-Based Method for Predicting the Helpfulness of Product Opinions. iSys - Brazilian Journal of Information Systems, [S. l.], v. 13, n. 4, p. 06–21, 2020. DOI: 10.5753/isys.2020.821. Disponível em: https://sol.sbc.org.br/journals/index.php/isys/article/view/821. Acesso em: 13 apr. 2021.