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A Two-Stage Stochastic Programming Framework for Transportation Planning in Disaster Response

G. Barbarosoğlu and Y. Arda
The Journal of the Operational Research Society
Vol. 55, No. 1 (Jan., 2004), pp. 43-53
Stable URL: http://www.jstor.org/stable/4101826
Page Count: 11
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A Two-Stage Stochastic Programming Framework for Transportation Planning in Disaster Response
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Abstract

This study proposes a two-stage stochastic programming model to plan the transportation of vital first-aid commodities to disaster-affected areas during emergency response. A multi-commodity, multi-modal network flow formulation is developed to describe the flow of material over an urban transportation network. Since it is difficult to predict the timing and magnitude of any disaster and its impact on the urban system, resource mobilization is treated in a random manner, and the resource requirements are represented as random variables. Furthermore, uncertainty arising from the vulnerability of the transportation system leads to random arc capacities and supply amounts. Randomness is represented by a finite sample of scenarios for capacity, supply and demand triplet. The two stages are defined with respect to information asymmetry, which discloses uncertainty during the progress of the response. The approach is validated by quantifying the expected value of perfect and stochastic information in problem instances generated out of actual data.

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