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A Template Approach to Producing Incremental Objective Cost Functions for Local Search Meta-heuristics

  • Marcus Randall
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 2611)

Abstract

Meta-heuristic search techniques based on local search operators have proven to be very effective at solving combinatorial optimisation problems. A characteristic of local search operators is that they usually only make a small change to the solution state when applied. As a result, it is often unnecessary to re-evaluate the entire objective function once a transition is made but to use an incremental cost function. For example in the travelling salesman problem, the position of two cities within a tour, may be interchanged. Using an incremental cost function, this equates to an O(1) operation as opposed to an O(n) operation (where n is the number of cities). In this paper, a new approach based on the use of templates is developed for the generic linked list modelling system [4]. It demonstrates that incremental objective cost functions can be automatically generated for given problems using different local search operators.

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References

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Copyright information

© Springer-Verlag Berlin Heidelberg 2003

Authors and Affiliations

  • Marcus Randall
    • 1
  1. 1.School of Information TechnologyBond UniversityAustralia

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