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Parametric Solution for Linear Bicriteria Knapsack Models

Author

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  • Moshe Eben-Chaime

    (Department of Industrial Engineering & Management, Ben-Gurion University of the Negev, 84105 Be'er Sheva, Israel)

Abstract

Linear weighing is a common approach to handle multiple criteria and the "knapsack" is a well-known combinatorial optimization problem. A knapsack problem with two linearly weighted, objective criteria is considered in this paper. For better support, it is important to provide the decision maker with information that covers the whole range of alternatives. Toward this goal, an algorithm for the construction of a parametric solution to the problem, i.e., for any combination of weights, is developed, which is based on finding a longest path in a network which compactly represents all feasible solutions to the knapsack problem. Exploiting the special structure of the knapsack model, the algorithm efficiently constructs the parametric solution in time that is linear in the product of the number of variables, the resource limit (right-hand side of the constraint), and the (finite) number of vectors which constitute the solution. The amount of memory required is linear in the product of the number of variables and the resource limit. Results of computational study are reported. The results are used to assess the efficiency of the algorithm and characterize its behavior with respect to the parameter values.

Suggested Citation

  • Moshe Eben-Chaime, 1996. "Parametric Solution for Linear Bicriteria Knapsack Models," Management Science, INFORMS, vol. 42(11), pages 1565-1575, November.
  • Handle: RePEc:inm:ormnsc:v:42:y:1996:i:11:p:1565-1575
    DOI: 10.1287/mnsc.42.11.1565
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    File URL: http://dx.doi.org/10.1287/mnsc.42.11.1565
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    Citations

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    Cited by:

    1. Altannar Chinchuluun & Panos Pardalos, 2007. "A survey of recent developments in multiobjective optimization," Annals of Operations Research, Springer, vol. 154(1), pages 29-50, October.
    2. Jenkins, Larry, 2002. "A bicriteria knapsack program for planning remediation of contaminated lightstation sites," European Journal of Operational Research, Elsevier, vol. 140(2), pages 427-433, July.
    3. Yang, Ming-Hsien, 2001. "An efficient algorithm to allocate shelf space," European Journal of Operational Research, Elsevier, vol. 131(1), pages 107-118, May.
    4. George Kozanidis, 2009. "Solving the linear multiple choice knapsack problem with two objectives: profit and equity," Computational Optimization and Applications, Springer, vol. 43(2), pages 261-294, June.

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