Zhimin Yang Xiao Yang Bingquan Zhang Fuzzy Support Vector Classification Based on Fuzzy Optimization. 134-143 2009 ICIC (2) http://dx.doi.org/10.1007/978-3-642-04020-7_15 conf/icic/2009-2 db/conf/icic/icic2009-2.html#YangYZ09a