IWLCS '01 Revised Papers from the 4th International Workshop on Advances in Learning Classifier Systems
Proceedings of the 9th annual conference companion on Genetic and evolutionary computation
Proceedings of the 9th annual conference on Genetic and evolutionary computation
Classifier fitness based on accuracy
Evolutionary Computation
Learning classifier system ensemble and compact rule set
Connection Science - Evolutionary Learning and Optimisation
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In this paper, we present a more effective approach to clustering with eXtended Classifier System (XCS) which is divided into two phases. The first phase is the XCS learning process with rule compact, during which we alter the XCS mechanisms and propose a new way to calculate rewards. After learning, the rules are evolved to form the final population consisting of rules with homogeneous data distribution. The second phase is merging the learnt rules to generate final clusters. We achieve this by modelling the rules as sub-graphs and merging the subgraphs based on some criteria similar to CHAMELEON. Experimental results validate the effectiveness on a number of datasets, which contain clusters of different shapes, densities and distances.