Miluska Odely Rodríguez Saavedra et al. 2026. Explainable Prediction of Supplier Sanction Risk in Public Procurement: Comparing Random Forest and XGBoost under Forward Temporal Validation. Babylonian Journal of Machine Learning. 2026, (Nov. 2026), 258–273. DOI:https://doi.org/10.58496/BJML/2026/016.