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- W2390692015 abstract "A hybrid heuristic algorithm ACS_VND is proposed and applied to solving the vehicle routing problem with simultaneous delivery and pickup, which combines two metaheuristics, i.e., Ant Colony System and Variable Neighborhood Descent. Several weakly feasible solutions are built by an insertion based ACS solution construction method, which are then transformed into strongly feasible ones, the best of which is taken as the initial solution of the VND procedure. During the VND procedure, three different neighborhood structures, i.e., insertion, swap and 2-opt are successively used. Computational results on the 55 benchmark problems with the size ranging from 22 to 199, show that the proposed hybrid heuristic algorithm can find the best known solution for 52 problems in a short time; furthermore, the best known solutions for 44 problems are updated, which indicates that the proposed ACS_VND outperforms other algorithms in literatures." @default.
- W2390692015 created "2016-06-24" @default.
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- W2390692015 date "2008-01-01" @default.
- W2390692015 modified "2023-09-25" @default.
- W2390692015 title "A Hybrid Heuristic Algorithm for the Vehicle Routing Problem with Simultaneous Delivery and Pickup" @default.
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