Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/6834
Title: Hub location under uncertainty
Authors: Alumur, Sibel A.
Nickel, Stefan
Saldanha-da-Gama, Francisco
Keywords: Hub location
Uncertainty
Stochastic demands
Robust optimization
Issue Date: 2012
Publisher: Pergamon-Elsevier Science Ltd
Abstract: Hub location problems are network design problems which are solved as part of a strategic decision making process. In strategic planning, decisions may have a long lasting effect and the implementation may take considerable time. Moreover, input data is not precisely known in advance. Hence, decisions have to be made anticipating uncertainty. In this paper, we address several aspects concerning hub location problems under uncertainty. Two sources of uncertainty are considered: the set-up costs for the hubs and the demands to be transported between the nodes. Generic models are presented for single and multiple allocation versions of the problems. Firstly, the two sources of uncertainty are analyzed separately and afterwards a more comprehensive model is proposed considering all sources of uncertainty. Using a set of computational tests performed, we analyze the changes in the solutions driven by the different sources of uncertainty considered isolated and combined. (C) 2011 Elsevier Ltd. All rights reserved.
URI: https://doi.org/10.1016/j.trb.2011.11.006
https://hdl.handle.net/20.500.11851/6834
ISSN: 0191-2615
1879-2367
Appears in Collections:Endüstri Mühendisliği Bölümü / Department of Industrial Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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