个体及团体异构多方面评分行为建模

刘鲲鹏,赵宵飒,胡一睿,傅衍杰

Modeling the Effects of Individual and Group Heterogeneity on Multi-Aspect Rating Behavior

Kunpeng Liu,Xiaosa Zhao,Yirui Hu,Yanjie Fu

Table 6 Performance of MFRL and Mix-MFRL in 5-fold cross validation

Methods K=5 K=20 MAE RMSE NDCG@1 NDCG@3 NDCG@5 MAE RMSE NDCG@1 NDCG@3 NDCG@5 MFRL(R1) 0.907 1.100 0.721 0.751 0.702 0.915 1.117 0.784 0.732 0.705 MFRL(R2) 0.912 1.073 0.706 0.784 0.697 0.881 1.251 0.799 0.738 0.711 MFRL(R3) 0.903 1.106 0.732 0.770 0.707 0.914 1.228 0.807 0.727 0.691 MFRL(R4) 0.915 1.119 0.710 0.783 0.716 0.901 1.255 0.791 0.742 0.709 MFRL(R5) 0.912 1.092 0.714 0.762 0.710 0.925 1.239 0.810 0.715 0.699 Mix-MFRL(R1) 0.792 0.970 0.771 0.831 0.724 0.813 1.009 0.791 0.801 0.726 Mix-MFRL(R2) 0.813 0.995 0.769 0.812 0.742 0.837 1.052 0.779 0.809 0.744 Mix-MFRL(R3) 0.782 0.930 0.757 0.794 0.734 0.797 0.819 0.787 0.813 0.709 Mix-MFRL(R4) 0.801 1.014 0.780 0.805 0.781 0.781 1.280 0.799 0.786 0.727 Mix-MFRL(R5) 0.810 0.978 0.746 0.830 0.762 0.774 1.212 0.781 0.791 0.736