This book constitutes the revised selected papers of the 9th Italian Workshop on Advances in
Artificial Life and Evolutionary Computation held in Vietri sul Mare Italy in May 2014 in
conjunction with the 24th Italian Workshop on Neural Networks WIRN 2014. The 16 papers
presented have been thoroughly reviewed and selected from 40 submissions. They cover the
following topics: artificial neural networks fuzzy inference systems rough set approximate
reasoning and optimization methods such as evolutionary computation swarm intelligence
particle swarm optimization.