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Growing Science » Authors » Ladislav Dobrovsky

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1.

How to start a heuristic? Utilizing lower bounds for solving the quadratic assignment problem Pages 151-164 Right click to download the paper Download PDF

Authors: Radomil Matousek, Ladislav Dobrovsky, Jakub Kudela

DOI: 10.5267/j.ijiec.2021.12.003

Keywords: Heuristics, Lower bounds, Metaheuristics, Quadratic assignment problem, Starting values

Abstract:
The Quadratic Assignment Problem (QAP) is one of the classical combinatorial optimization problems and is known for its diverse applications. The QAP is an NP-hard optimization problem which attracts the use of heuristic or metaheuristic algorithms that can find quality solutions in an acceptable computation time. On the other hand, there is quite a broad spectrum of mathematical programming techniques that were developed for finding the lower bounds for the QAP. This paper presents a fusion of the two approaches whereby the solutions from the computations of the lower bounds are used as the starting points for a metaheuristic, called HC12, which is implemented on a GPU CUDA platform. We perform extensive computational experiments that demonstrate that the use of these lower bounding techniques for the construction of the starting points has a significant impact on the quality of the resulting solutions.
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Journal: IJIEC | Year: 2022 | Volume: 13 | Issue: 2 | Views: 2165 | Reviews: 0

 

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