Baldomir, Rebeca, Gustavo C. G. Van Erven, and Célia Ghedini Ralha.
" Brazilian Government Procurements: an Approach to Find Fraud Traces in Companies Relationships." <em>Anais do XV Encontro Nacional de Inteligência Artificial e Computacional,
São Paulo, 2018</em>. SBC, 2018,  
pp.752-762.