Idle Vehicle Relocation Strategy through Deep Learning for Shared Autonomous Electric Vehicle System Optimization. - Seongsin Kim; Ungki Lee; Ikjin Lee; Namwoo Kang (CoRR, 2020)

Adaptive Neural Network Ensemble Using Frequency Distribution. - Ungki Lee; Namwoo Kang (CoRR, 2022)

Adaptive neural network ensemble using prediction frequency. - Ungki Lee; Namwoo Kang (J. Comput. Des. Eng., 2023)

A new adaptive Kriging-based optimization (AKBO) framework for constrained optimization problems: A case study on shared autonomous electric vehicle system design. - Ungki Lee (Expert Syst. Appl., 2024)

Reliability-based design optimization (RBDO) framework for high-energy laser weapons (HELWs) using artificial neural network ensemble. - Ungki Lee (Expert Syst. Appl., 2025)