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      Hierarchical multimodal hub location problem with time-definite deliveries

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      Author
      Alumur, S. A.
      Yaman, H.
      Kara, B. Y.
      Date
      2012
      Source Title
      Transportation Research Part E
      Print ISSN
      1366-5545
      Publisher
      Elsevier
      Volume
      48
      Issue
      6
      Pages
      1107 - 1120
      Language
      English
      Type
      Article
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      Abstract
      Hierarchical multimodal hub location problem is a cost-minimizing hub covering problem where two types of hubs and hub links, accounting for ground and air transportation, are to be established, while ensuring time-definite deliveries. We propose a mixed-integer programming formulation and perform a comprehensive sensitivity analysis on the Turkish network. We show that the locations of airport hubs are less sensitive to the cost parameters compared to the locations of ground hubs and it is possible to improve the service quality at not much additional cost in the resulting multimodal networks. Our methodology provides the means for a detailed trade-off analysis.
      Keywords
      Hierarchical network design
      Hub location
      Multimode transportation
      Time-definite delivery
      Valid inequalities
      Permalink
      http://hdl.handle.net/11693/21286
      Published Version (Please cite this version)
      http://dx.doi.org/10.1016/j.tre.2012.04.001
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