FDG-SD: A New Hybrid Technique for Solving Subgroup Discovery Problem. - Lydia Wahid Rizkallah; Sally Hamouda; Nevin M. Darwish (FSDM, 2019)

SMT-LH: A New Satisfiability Modulo Theory-Based Technique for Solving Vehicle Routing Problem with Time Window Constraints. - Lydia Wahid Rizkallah; Mona F. Ahmed; Nevin M. Darwish (Comput. J., 2020)

Expert Systems in Academic Advising. - Rania El-Sayed; Shahd Seddik; Lydia Wahid Rizkallah (AISI, 2021)

Designing Knowledge-Based Systems for COVID-19 Diagnosis. - Rana Fawzi; Mahmoud Ghazy; Lydia Wahid Rizkallah (HIS, 2021)

Enhancing the performance of gradient boosting trees on regression problems. - Lydia Wahid Rizkallah (J. Big Data, 2025)