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• W2905689871 abstract "Abstract Transportation problems are essential in commercial logistics and have been widely studied in the literature during the last decades. Many of them consist in designing routes for vehicles to move commodities between locations. This article approaches a pickup-and-delivery single-vehicle routing problem where there is susceptibility to uncertainty in customer requests. The probability distributions of the requests are assumed to be known, and the objective is to design an a priori route with minimum expected length. The problem has already been approached in the literature, but through a heuristic method. This article proposes the first exact approach to the problem. Two mathematical formulations are proposed: one is a compact model (i.e. defined by a polynomial number of variables and constraints); the other one contains an exponential number of inequalities and is solved within a branch-and-cut framework. Computational results show the upsides as well as the breakdowns of both formulations." @default.
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• W2905689871 date "2019-05-01" @default.
• W2905689871 modified "2023-10-17" @default.
• W2905689871 title "The probabilistic pickup-and-delivery travelling salesman problem" @default.
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• W2905689871 doi "https://doi.org/10.1016/j.eswa.2018.12.028" @default.
• W2905689871 hasPublicationYear "2019" @default.
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