Variable Neighborhood Search and Alternating Direction Method of Multipliers for Integrated Optimization of Maintenance Windows and Train Timetables. - Yang, Haonan; Ni, Shaoquan; Huo, Haoyang; Yang, Yuhua; Liu, Su; Zhang, Qingpeng; Chen, Dingjun (IEEE Trans. Intell. Transp. Syst., 2024)