LIMA, W. E. M.; DA SILVA, V. R.; DA SILVA, J. C.; RABÊLO, R. de A. L.; DE PAIVA, A. C. HelBERT: A BERT-Based Pretraining Model for Public Procurement Tasks in Portuguese. Journal of the Brazilian Computer Society, [S. l.], v. 32, n. 1, p. 145–158, 2026. DOI: 10.5753/jbcs.2026.5511. Disponível em: https://journals-sol.sbc.org.br/index.php/jbcs/article/view/5511. Acesso em: 13 mar. 2026.