Crossover Can Be Constructive When Computing Unique Input Output Sequences

  • Per Kristian Lehre
  • Xin Yao
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5361)

Abstract

Unique input output (UIO) sequences have important applications in conformance testing of finite state machines (FSMs). Previous experimental and theoretical research has shown that evolutionary algorithms (EAs) can compute UIOs efficiently on many FSM instance classes, but fail on others. However, it has been unclear how and to what degree EA parameter settings influence the runtime on the UIO problem. This paper investigates the choice of acceptance criterion in the (1+1) EA and the use of crossover in the (μ+1) Steady State Genetic Algorithm. It is rigorously proved that changing these parameters can reduce the runtime from exponential to polynomial for some instance classes.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Per Kristian Lehre
    • 1
  • Xin Yao
    • 1
  1. 1.The Centre of Excellence for Research in Computational Intelligence and Applications (CERCIA), School of Computer ScienceThe University of BirminghamEdgbastonUnited Kingdom

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