@article {Clgd12, title = {An analysis on the use of pre-processing methods in evolutionary fuzzy systems for subgroup discovery}, journal = {Expert Systems with Applications}, volume = {39}, year = {2012}, note = {TIN-2008-06681-C06-02,TIC-3928}, pages = {11404-11412}, doi = {10.1016/j.eswa.2012.04.029}, author = {C. J. Carmona and J. Luengo and P. Gonz{\'a}lez and M. J. del Jesus} }