A center location problem with congestion

A center location problem with congestion

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Article ID: iaor19931302
Country: Switzerland
Volume: 40
Issue: 1/4
Start Page Number: 17
End Page Number: 32
Publication Date: Feb 1993
Journal: Annals of Operations Research
Authors: ,
Keywords: queues: theory
Abstract:

The authors introduce a group of facility location problems whose objective involves both congestion and covering effects. For the Stochastic Queue Center problem, a single facility is to be located on a network to minimize expected response time (travel time plus expected queue delay) to the furthest demand point. The authors demonstrate certain convexity properties of the objective function on a general network, and show how the optimal location can be found using a finite-step algorithm. On a tree network, they characterize the optimal location trajectory as a function of the customer call rate. The authors compare this problem to the median, center, and Stochastic Queue Median problems. They then consider several different extensions which incorporate probabilistic travel times and/or distribution of demands.

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