Publisher's Synopsis
This book constitutes the thoroughly refereed post-proceedings of the 4th International Workshop on Learning Classifier Systems, IWLCS 2001, held in San Francisco, CA, USA, in July 2001.;The 12 revised full papers presented together with a special paper on a formal description of ACS have gone through two rounds of reviewing and improvement.;The first part of the book is devoted to theoretical issues of learning classifier systems including the influence of exploration strategy, self-adaptive classifier systems, and the use of classifier systems for social simulation.;The second part is devoted to applications in various fields such as data mining, stock trading, and power distributionn networks.