Purwadi, P., Othman Bin Mohd, and Nor Azman Bin Abu. “Cold-Start Generalization in Educational Interaction Data: Comparing Student-Wise and Question-Wise Splits With Probabilistic Calibration”. International Journal of Machine Learning (IJOML), vol. 1, no. 1, Jan. 2026, pp. 38-50, doi:10.66472/ijoml.v1i1.4.