基于特定用户约束的概率矩阵分解算法

郝昱猛, 马文明, 王冰

Probabilistic matrix factorization algorithm based on specific user constraints

Yumeng Hao, Wenming Ma, Bing Wang

表4 案例分析的比较结果

Table 4 Comparative results of case analysis

用户 评分数 无约束矩阵预测误差RMSE 有约束矩阵预测误差RMSE A 50 94.4% 90.7% B 14 93.6% 86.6% C 5 98.2% 82.5% D 9 96.4% 86.2%