Abstract: The Capacitated Vehicle Routing Problems with Three-Dimensional Loading Constraints (3L-CVRPs) present significantly greater complexities when compared to the classical Capacitated Vehicle ...

Abstract: Sustainable urban mobility demands routing strategies that curb greenhouse-gas emissions, not just travel time or distance. We present a hybrid metaheuristic that fuses Particle Swarm ...

Add a description, image, and links to the edge-routing topic page so that developers can more easily learn about it.

I tried a custom ranking objective function for LGBMRanker but LGBMRanker does not call the custom loss function with the group argument, which is mandatory for learning to rank. import lightgbm as ...