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

Table 1

Description of learner characteristics.

Feature	Feature description
Learning method	Classroom learning,autonomous learning
Learning background	School, home, on-the-job
Age stage	18–22 years old
Learning motivation	Quality training, skills
Knowledge system	Literature, science and engineering, engineering, medicine
Geographical division	Local, foreign, and other provinces