Evolution of Multi-adaptive Discretization Intervals for a Rule-Based Genetic Learning System

  • Authors:
  • Jaume Bacardit;Josep Maria Garrell i Guiu

  • Affiliations:
  • -;-

  • Venue:
  • IBERAMIA 2002 Proceedings of the 8th Ibero-American Conference on AI: Advances in Artificial Intelligence
  • Year:
  • 2002

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Abstract

Genetic Based Machine Learning (GBML) systems traditionally have evolved rules that only deal with discrete attributes. Therefore, some discretization process is needed in order to teal with real-valued attributes.There are several methods to discretize real-valued attributes into a finite number of intervals, however none of them can efficiently solve all the possible problems. The alternative of a high number of simple uniform-width intervals usually expands the size of the search space without a clear performance gain. This paper proposes a rule representation which uses adaptive discrete intervals that split or merge through the evolution process, finding the correct discretization intervals at the same time as the learning process is done.