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Reconfiguring a set of coverage-providing facilities under travel time uncertainty
, Article Socio-Economic Planning Sciences ; 2017 ; 00380121 (ISSN) ; Hajizadeh, I ; Krass, D ; Rahimi Vahed, A ; Sharif University of Technology
Elsevier Ltd
2017
Abstract
We study networks of facilities that must provide coverage under conditions of uncertainty with respect to travel times and customer demand. We model this uncertainty through a set of scenarios. Since opening new facilities and/or closing existing ones is often quite expensive, we focus on optimal re-configuration of the network, that is finding a facility set that achieves desired thresholds with respect to expected and minimal coverage, while retaining as many of the existing facilities as possible. We illustrate our model with an example of Toronto Fire Service. We demonstrate that relocating just a few facilities can have the same effect as opening a similar number of new ones. We...
Reconfiguring a set of coverage-providing facilities under travel time uncertainty
, Article Socio-Economic Planning Sciences ; Volume 62 , 2018 , Pages 1-12 ; 00380121 (ISSN) ; Hajizadeh, I ; Krass, D ; Rahimi Vahed, A ; Sharif University of Technology
Elsevier Ltd
2018
Abstract
We study networks of facilities that must provide coverage under conditions of uncertainty with respect to travel times and customer demand. We model this uncertainty through a set of scenarios. Since opening new facilities and/or closing existing ones is often quite expensive, we focus on optimal re-configuration of the network, that is finding a facility set that achieves desired thresholds with respect to expected and minimal coverage, while retaining as many of the existing facilities as possible. We illustrate our model with an example of Toronto Fire Service. We demonstrate that relocating just a few facilities can have the same effect as opening a similar number of new ones. We...