Research Article

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

Table 2

Recommended use cases for homepage teaching resources.

Use case nameHomepage teaching resource recommendation

Use case descriptionAfter logging into the system, users browse the personalized recommendation home page of teaching resources. The system recommends teaching resources that users may be interested in according to user habits and teaching resource attributes
PreconditionUser login succeeded
End conditionThe recommended list of teaching resources is displayed on the homepage of personalized recommendation of teaching resources
Input contentNothing
Output contentThe list of recommended teaching resources is displayed on the personalized recommendation home page of teaching resources