融入用户风险偏好的三支协同过滤推荐模型
黄树添, 胡诗琳, 卜祥智, 李华雄, 刘久兵

Three⁃way collaborative filtering recommendation model integrating user risk preferences
Shutian Huang, Shilin Hu, Xiangzhi Bu, Huaxiong Li, Jiubing Liu
表1 用户?项目评分矩阵
Table 1 User?Item rating matrix
用户项目
i1i2in
u1R11R12R1n
u2R21R22R2n
umRm1Rm2Rmn