I. Battazza, C. Rodrigues, and J. Oliveira.
" OPAL: An Ontology-Based Framework with LSTM and PPO for Return Forecasting and Portfolio Optimization", in <em>Anais do XXII Encontro Nacional de Inteligência Artificial e Computacional</em>, Fortaleza/CE, 2025, pp. 85-93, doi: <a href="https://doi.org/10.5753/eniac.2025.11791">https://doi.org/10.5753/eniac.2025.11791</a>.