Xu, Jiuping; Yan, Fang; Li, Steven - In: Transportation Research Part E: Logistics and … 47 (2011) 6, pp. 1075-1091
This paper is concerned with a vehicle routing problem with soft time windows (VRPSTW) in a fuzzy random environment. Two objectives are considered: (1) minimize the total travel cost and (2) maximize the average satisfaction level of all customers. After setting up the model for the VRPSTW in a...