previously

Optimization for Vehicle Routing Problem with Time Windows and Precedence Constraints by Ant Colony;

有时间窗和在前约束车辆路径问题的蚁群优化

This paper presents the vehicle routing problem with time windows and precedence constraints.

提出一种带时间窗口和在前约束的车辆路线问题 ( V RPTWPC) ,并构造了求解该问题的一种基于列生成的算法 。