Mills, Rob, and Richard A. Watson. “Symbiosis, synergy and modularity: Introducing the reciprocal synergy symbiosis algorithm.” In European Conference on Artificial Life , pp. 1192-1201. Springer, Berlin, Heidelberg, 2007.
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Symbiosis, the collaboration of multiple organisms from different species, is common in nature. A related phenomenon, symbiogenesis, the creation of new species through the genetic integration of symbionts, is a powerful alternative to crossover as a variation operator in evolutionary algorithms. It has inspired several previous models that use the repeated composition of pre-adapted entities. In this paper we introduce a new algorithm utilizing this concept of symbiosis which is simpler and has a more natural interpretation when compared with previous algorithms. In addition it achieves success on a broader class of modular problems than some prior methods.