F. Cordeiro, R. Rabelo, and R. Moura. "Classification of Irregularity Communications in Public Ombudsmen Using Supervised Learning Algorithms", in Anais do XIX Encontro Nacional de InteligĂȘncia Artificial e Computacional, Campinas/SP, 2022, pp. 704-715, doi: https://doi.org/10.5753/eniac.2022.227178.