Fig 1.
A simple social interaction network.
Table 1.
The recommendation instance of target user u4.
Fig 2.
Framework of SRUI recommendation.
Fig 3.
Prediction accuracy of all the comparison methods for different numbers of social similar neighbors based on the Douban dataset (MAE).
Fig 4.
Prediction accuracy of all the comparison methods for different numbers of social similar neighbors based on the Douban dataset (RMSE).
Fig 5.
Prediction accuracy of all the comparison methods for different numbers of social similar neighbors based on the Epinions dataset (MAE).
Fig 6.
Prediction accuracy of all the comparison methods for different numbers of social similar neighbors based on the Epinions dataset (RMSE).