Sousa, R. F. de, R. T. Anchiêta, e M. das G. V. Nunes. “A Graph-Based Method for Predicting the Helpfulness of Product Opinions”. Histórico Da ISys - Brazilian Journal of Information Systems (SERVIDOR ANTIGO - UNIRIO), vol. 13, nº 4, julho de 2020, p. 06-21, https://seer.unirio.br/isys/article/view/9393.