DU PLESSIS, Mathys C.; DE KOCK, Gideon de V. Incorporating structured text retrieval into the extended Boolean model. Computing and Informatics, [S. l.], v. 28, n. 5, p. 581–597, 2012. Disponível em: http://147.213.75.17/ojs/index.php/cai/article/view/50. Acesso em: 8 nov. 2024.