@conference {simidat148, title = {Non-dominated Multi-objective Evolutionary Algorithm Based on Fuzzy Rules Extraction for Subgroup Discovery}, booktitle = {Proceedings of the Fourth International Conference on Hybrid Artificial Intelligence Systems (HAIS)}, series = {LNAI}, volume = {5572}, year = {2009}, note = {TIN2008-06681-C06-01,TIN2008-06681-C06-02,TIC-3928}, month = {June}, pages = {573-580}, publisher = {Springer}, organization = {Springer}, address = {Salamanca (Spain)}, author = {C. J. Carmona and P. Gonz{\'a}lez and M. J. del Jesus and F. Herrera} }