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• W2907329686 endingPage "105144" @default.
• W2907329686 startingPage "105144" @default.
• W2907329686 abstract "We investigate a vehicle routing problem in which customer requests are either known in advance with respect to the planning of the distribution, or they arrive online during the distribution process. Each request is associated with a time window. The company managing the distribution has a given fleet of vehicles to serve the customers, and, in addition, occasional drivers are available to perform the service, i.e., private citizens who are willing to distribute some customer orders in exchange for a compensation. Each occasional driver specifies the time window in which he/she is available. A penalty is incurred when violating time windows as well as when a request is not served. The objective of the company is to determine the distribution plan that minimises the distribution cost, which is given by the sum of the cost of regular vehicles, the compensation paid to the occasional drivers and the penalty cost. In addition, we design and implement a solution method which is based on an insertion algorithm evaluating each request singularly. Albeit being simple, this approach allows to handle dynamic requests and to adjust the distribution plan in real-time. Then, we propose a re-optimisation approach in which the solution constructed through the insertion algorithm is periodically passed to a variable neighborhood search algorithm. In a detailed computational study, we analyse the behavior of the proposed solution approaches. In addition, we evaluate the impact of dynamic information through a comparison of online approaches with an a priori information scenario." @default.
• W2907329686 created "2019-01-11" @default.
• W2907329686 creator A5021320857 @default.
• W2907329686 creator A5024726726 @default.
• W2907329686 creator A5081616385 @default.
• W2907329686 date "2021-03-01" @default.
• W2907329686 modified "2023-10-14" @default.
• W2907329686 title "The online vehicle routing problem with occasional drivers" @default.
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• W2907329686 doi "https://doi.org/10.1016/j.cor.2020.105144" @default.
• W2907329686 hasPublicationYear "2021" @default.
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