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      • Department of Industrial Engineering
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      The hierarchical hub median problem with single assignment

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      Author
      Yaman, H.
      Date
      2009
      Source Title
      Transportation Research Part B
      Print ISSN
      0191-2615
      Electronic ISSN
      1879-2367
      Publisher
      Elsevier
      Volume
      43
      Issue
      6
      Pages
      643 - 658
      Language
      English
      Type
      Article
      Item Usage Stats
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      Abstract
      We study the problem of designing a three level hub network where the top level consists of a complete network connecting the so-called central hubs and the second and third levels are unions of star networks connecting the remaining hubs to central hubs and the demand centers to hubs and central hubs, respectively. The problem is to decide on the locations of a predetermined number of hubs and central hubs and the connections in order to minimize the total routing cost in the resulting network. This problem includes the classical p-hub median problem as a special case. We also consider a version of this problem where service quality considerations are incorporated through delivery time restrictions. We propose mixed integer programming models for these two problems and report the outcomes of a computational study using the CAB data and the Turkey data.
      Keywords
      Hierarchical
      Hub location
      P-Hub median
      Time restrictions
      Permalink
      http://hdl.handle.net/11693/22704
      Published Version (Please cite this version)
      http://dx.doi.org/10.1016/j.trb.2009.01.005
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