Chiung Moon Joosung Lee Chanseok Jeong Jin Lee Sungcheol Park Siyeong Lim An implementation case for the performance appraisal and promotion ranking. 661-667 2007 SMC http://dx.doi.org/10.1109/ICSMC.2007.4414230 conf/smc/2007 db/conf/smc/smc2007.html#MoonLJLPL07