TY - Computer Engineering and Applications A1 - CUI Chunsheng1,2,LI Guang1,WU Qizong1 T1 - Research on recommender systems of electric commerce based on Vague sets Y1 - 2011-04-01 JF - Computer Engineering and Applications JO - Computer Engineering and Applications SP - 237 EP - 239 VL - 47 IS - 10 UR - http://cea.ceaj.org N1 - ER -