Cooperation in the context of sustainable search

  • Authors:
  • David Iclanzan;Béat Hirsbrunner;Michèle Courant;D. Dumitrescu

  • Affiliations:
  • Department of Computer Science, Babes-Bolyai University, Cluj-Napoca, Romania;Pervasive Artificial Intelligence Group, University of Fribourg, Switzerland;Pervasive Artificial Intelligence Group, University of Fribourg, Switzerland;Department of Computer Science, Babes-Bolyai University, Cluj-Napoca, Romania

  • Venue:
  • CEC'09 Proceedings of the Eleventh conference on Congress on Evolutionary Computation
  • Year:
  • 2009

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Abstract

Many current Evolutionary Algorithms suffer from a tendency to prematurely lose their capability to incorporate new genetic material, resulting in a stagnation in suboptimal points. To successfully apply these methods on increasingly complex problems, the ability to generate useful variations leading to continuous improvements is vital. Nevertheless, there is a major difficulty in finding computational extensions to the evolutionary paradigm that ensures a continuous emergence of new qualitative solutions, as the essence of the Darwinian paradigm - the natural selection - acts as a stabilizing force, keeping the population into an evolutionary equilibria. It is suggested that replacing the survival of the fittest paradigm with a cooperative framework, where individuals are highly specialized on different exploring and exploitive strategies, results in a highly efficient, non-convergent, sustainable search process, where new optima emerge continually. Proposed technique is validated on the test suits of CEC'08 Large Scale Optimization Contest.