A spatiotemporal partitioning approach for large-scale vehicle routing problems with time windows

Mingyao Qi, Wei-Hua Lin, Nan Li and Lixin Miao

Transportation Research Part E: Logistics and Transportation Review, 2012, vol. 48, issue 1, 248-257

Abstract: For VRP with time windows (VRPTW) solved by conventional cluster-first and route-second approach, temporal information is usually considered with vehicle routing but ignored in the process of clustering. We propose an alternative approach based on spatiotemporal partitioning to solving a large-scale VRPTW, considering jointly the temporal and spatial information for vehicle routing. A spatiotemporal representation for the VRPTW is presented that measures the spatiotemporal distance between two customers. The resulting formulation is then solved by a genetic algorithm developed for k-medoid clustering of large-scale customers based on the spatiotemporal distance. The proposed approach showed promise in handling large scale networks.

Keywords: Vehicle routing with time windows; Logistics; Time geography; Spatiotemporal distance (search for similar items in EconPapers)
Date: 2012
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Citations: View citations in EconPapers (5)

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DOI: 10.1016/j.tre.2011.07.001

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