基于填充先验约束的矩阵分解算法
袁晓峰, 钱苏斌, 周彩根

Imputed prior constraint⁃based matrix factorization
Xiaofeng Yuan, Subin Qian, Caigen Zhou
表2 数据集统计信息
Table 2 Statistics of the datasets
数据集FilmTrustCiaoMovieLens 1mJester
用户数150817615604024983
物品数2071161213900100
评分数354977266510002091810445
密度1.14%0.03%4.25%72.47%