一种面向不平衡数据的结构化SVM集成算法-南京师范大学学报.PDFVIP

33 4 () Vol. 33 No. 4 2010 12 JOURNAL OF NANJING NORMAL UNIVERSITY ( Natural Sci nc Edition) D c, 2010 一种面向不平衡数据的结构化 SVM 集成算法 袁兴梅, 杨 明 (, 210046) ( , 210046) [ ] , . , , SVM . , , SVM , . . [ ] , , , [ ] TP 181 [] A [ ] 1001-46 16( 2010) 04-0 123-05 A K ind of StASVM Ensemble Algorithm for Unbalanced Data Sets Y uan X ingm e,i Yang M ing ( School of Com put r Sci n c and T chnology, Nanjing Norm alUn iv rsity, Nanjing 210046, Ch ina) ( Jiangsu R s arch C nt r of Inform ation S curity Privacy T chnology, N anjing 210046, China) Abstract: Im balanc d data s ts, arising p rvas iv ly in practical application, hav attract d m or and mor att ntions. In vi w of th sup riority ofm axmi um margin in m any classification probl m s, w us it for th classification of mi balanc d data. U sing support v ctorm achin , a good classification p rform anc can b obtain d. B as d on StA SVM, wh ich us s not only b wt n-class inform ation, but also th in-class inform ation, w propos th EStASVM by int grating th ob- tain d subclassifi rs induc d by StA SVM. Exp rmi ntal r sults show this ns mb l m od l can b tt r handl th mi bal- anc d probl m. K ey words: mi balanc d data, structur , SVM, ns m bl l arn ing , , , : , , . , , . , . [ 1-3] , : [ 4-6] [ 7-9] [ 10, 11] [ 12-14] . : , , ; , , . ( SVM )V apn ik[ 15] , , , . SVM , , SVM . , SVM . W u[ 16] : , ( ASVM), : 2010-07-10. : (( BK2008430) . : , , ,