Instance generators and test suites for the multiobjective quadratic assignment problem

  • Authors:
  • Joshua Knowles;David Corne

  • Affiliations:
  • IRIDIA, Université Libre de Bruxelles, Brussels, Belgium;School of Systems Engineering, University of Reading, Reading, UK

  • Venue:
  • EMO'03 Proceedings of the 2nd international conference on Evolutionary multi-criterion optimization
  • Year:
  • 2003

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Abstract

We describe, and make publicly available, two problem instance generators for a multiobjective version of the well-known quadratic assignment problem (QAP). The generators allow a number of instance parameters to be set, including those controlling epistasis and inter-objective correlations. Based on these generators, several initial test suites are provided and described. For each test instance we measure some global properties and, for the smallest ones, make some initial observations of the Pareto optimal sets/fronts. Our purpose in providing these tools is to facilitate the ongoing study of problem structure in multiobjective (combinatorial) optimization, and its effects on search landscape and algorithm performance.