Investigating the Temporal Effect of User Preferences with Application in Movie Recommendation

Table 3

The six recommendation models for comparison in this paper. The mark under PN or T indicates whether the model distinguishes opinions as positive and negative opinions and/or considers temporal influence.

Method	Description	PN	T
UCF	User-based CF [16]	—	—
UOS	User-based CF combining the user opinion spreading process [12]		—
NBI	Network-based inference algorithm on binary data [17]	—	—
SNBI	NBI with different weights for positive and negative opinions [13]		—
IPF	Personalized random walk on STG [4]	—
STeuP	The proposed model in Section 3