Benders-based winner determination algorithm for volume discount procurement auctions

Kameshwaran, S and Narahari, Y (2009) Benders-based winner determination algorithm for volume discount procurement auctions. International Journal of Logistics Systems and Management, 5 (1-2). pp. 21-40.

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This paper considers an industrial procurement of large volume of a single good, such as a raw material or a subcomponent. The procurement is implemented using volume discount auctions, in which the bids are nonconvex piecewise linear cost functions. The winner determination problem faced by the buyer is an NP-hard nonlinear knapsack problem. We propose a mixed integer linear formulation for the problem which has the following primal structure: if the integer variables are fixed at some feasible values, then solving the remaining linear variables is a continuous knapsack problem. Exploiting this feature, Benders' decomposition algorithm is developed and various techniques are proposed to accelerate the convergence of the algorithm. Experimental results for the random test data show the efficacy of the accelerating techniques.

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Kameshwaran, S
Item Type: Article
Uncontrolled Keywords: Benders' decomposition; Dual cuts generation; Mixed integer linear programme; Nonlinear knapsack problems; Piecewise linear cost; Volume discount auctions
Subjects: Business and Management
Depositing User: Ilammaran A
Date Deposited: 04 Nov 2014 15:21
Last Modified: 04 Nov 2014 15:21
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