TY - Front. Comput. Sci. A1 - Xuanhui YAN, Lifei CHEN, Gongde GUO T1 - Center-based clustering of categorical data using kernel smoothing methods Y1 - 2018-09-21 JF - Frontiers of Computer Science JO - Front. Comput. Sci. SP - 1032 EP - 1034 VL - 12 IS - 5 UR - https://journal.hep.com.cn/fcs N1 - 10.1007/s11704-018-7186-x ER -