Evolution of Search Algorithms Using Graph Structured Program Evolution

  • Authors:
  • Shinichi Shirakawa;Tomoharu Nagao

  • Affiliations:
  • Graduate School of Environment and Information Sciences, Yokohama National University, Yokohama, Japan 240-8501;Graduate School of Environment and Information Sciences, Yokohama National University, Yokohama, Japan 240-8501

  • Venue:
  • EuroGP '09 Proceedings of the 12th European Conference on Genetic Programming
  • Year:
  • 2009

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Abstract

Numerous evolutionary computation (EC) techniques and related improvements showing effectiveness in various problem domains have been proposed in recent studies. However, it is difficult to design effective search algorithms for given target problems. It is therefore essential to construct effective search algorithms automatically. In this paper, we propose a method for evolving search algorithms using Graph Structured Program Evolution (GRAPE), which has a graph structure and is one of the automatic programming techniques developed recently. We apply the proposed method to construct search algorithms for benchmark function optimization and template matching problems. Numerical experiments show that the constructed search algorithms are effective for utilized search spaces and also for several other search spaces.