[Retracted] A Personalized Recommendation Algorithm for Political and Ideological Courses in Colleges Using Multiple Interests of Users

Table 4

Comparison results of course recommendation time.

No. of iterations/time	The algorithm proposed in this article	Personalized recommendation algorithm based on user behavior feature mining	Personalized recommendation algorithm integrating trust relationship, time factor, and label information
1	1.28	1.90	2.18
2	1.24	2.90	2.09
3	1.36	2.90	3.12
4	1.22	2.91	3.59
5	1.34	3.92	2.61
6	1.27	3.93	1.98
7	1.29	3.94	1.54
8	1.13	2.93	2.07
9	1.24	3.57	3.16
10	1.90	3.61	3.99