Research Article

[Retracted] A Personalized Recommendation System for English Teaching Resources Based on Multi-K Nearest Neighbor Regression Algorithm

Table 3

Recommended use cases for the detailed pages of teaching resources.

Use case nameHomepage teaching resource recommendation

Use case descriptionAfter logging into the system, the user browses the detailed page of a teaching resource. The system recommends the teaching resources that the user may like according to the currently browsed teaching resources, user habits, and the attributes of teaching resources in the system
PreconditionUser login succeeded
End conditionThe recommended list of teaching resources is displayed on the teaching resource detailed page
Input contentNothing
Output contentThe list of recommended teaching resources is displayed on the teaching resource detailed page