Ribeiro, D.S., Lemos, R.S., da Ponte, F.R.P., Mattos, C.L.C. and Rodrigues, E.B. 2026. Portfolio-based Active Learning with Gaussian Processes for Vulnerabilities Risk Classification. Journal of the Brazilian Computer Society. 32, 1 (Mar. 2026). DOI:https://doi.org/10.5753/jbcs.2026.5567.