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An algorithm for the freight allocation problem with all-units quantity-based discount

  • Xiang Gao
  • , Andrew Lim
  • , Wee-Chong Oon
  • , Hu Qin*
  • *Corresponding author for this work

    Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

    Abstract

    This study is motivated by a project awarded by one of the largest international retail distributors in the world. An important task for the distributor is to plan the distribution of goods from Asia to various destinations across Europe. The goods are transported by shipping companies along shipping lanes, and these companies offer different discount rates depending on the freight quantity. The task involves purchasing freight capacity from shipping companies for each shipping lane based on projected demand, and subject to minimum quantity requirements, such that the total transportation cost is minimized. Existing work on this and related problems employs commercial linear programming software to solve their models. The problem is NP-hard, and is therefore unlikely to be solvable optimally in reasonable time for large instances. Hence, we propose a heuristic-based algorithm that combines a filter and fan search scheme with a tabu search mechanism for the problem. Experiments on randomly generated test instances show that our algorithm produces superior solutions in less computation time and requires less computer memory compared to ILOG CPLEX 11.0. © 2011 Springer-Verlag.
    Original languageEnglish
    Title of host publicationModern Approaches in Applied Intelligence
    Subtitle of host publication24th International Conference on Industrial Engineering and Other Applications of Applied Intelligent Systems, IEA/AIE 2011, Syracuse, NY, USA, June 28 - July 1, 2011, Proceedings, Part II
    EditorsKishan G. Mehrotra, Chilukuri K. Mohan, Jae C. Oh, Pramod K. Varshney, Moonis Ali
    Place of PublicationBerlin, Heidelberg
    PublisherSpringer 
    Pages256-265
    VolumePart II
    ISBN (Electronic)978-3-642-21827-9
    ISBN (Print)9783642218262
    DOIs
    Publication statusPublished - 2011
    Event24th International Conference on Industrial Engineering and Other Applications of Applied Intelligent Systems, IEA/AIE 2011 - Syracuse, NY, United States
    Duration: 28 Jun 20111 Jul 2011

    Publication series

    NameLecture Notes in Computer Science
    Volume6704
    ISSN (Print)0302-9743
    ISSN (Electronic)1611-3349

    Conference

    Conference24th International Conference on Industrial Engineering and Other Applications of Applied Intelligent Systems, IEA/AIE 2011
    PlaceUnited States
    CitySyracuse, NY
    Period28/06/111/07/11

    Research Keywords

    • filter and fan
    • freight allocation
    • quantity discount
    • tabu search

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