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- W637767121 abstract "Transportation service subcontracting is becoming an effective means of business for many leading carriers to maintain their market dominance and profitability. This research is based on a practical application in one of the few largest limousine fleet companies in the US. The company continuously receives a large volume of (mostly advance) requests for sedan ride services within a large metropolitan area. Frequently service requests exceed available capacity. Advance outsourcing therefore remains an important component of its business. However, under and over subcontracting are both costly. In this paper, we develop a model for ride service outsourcing. The outsourcing decision is made simultaneously with pre-scheduling of in-house ride services as well as staffing. The in-house pre-scheduling decision includes the number of drivers necessary on each shift and the number of hourly waged drivers to call to service. The proposed solution adopts the column generation method in which each column is a shortest path problem with multiple constraints such as drivers' working hours and time windows. Test with sedan ride services data indicates that the integrated subcontracting and scheduling based on optimization techniques dramatically improves the carrier's outsourcing decision and profitability." @default.
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- W637767121 date "2008-01-01" @default.
- W637767121 modified "2023-09-23" @default.
- W637767121 title "Ride Service Outsourcing for Profit Maximization" @default.
- W637767121 hasPublicationYear "2008" @default.
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