Analyzing the Quality of Business English Teaching Using Multimedia Data Mining

Table 1

Tianchi mobile recommend train user.

Field	Field description	Extraction description
Userid	User identity	Sampling and field desensitization
Itemid	Commodity identification	Field desensitization
Behaviortype	User to commodity
Type of behavior	Including browsing, collecting, adding a shopping cart, and buying, the corresponding values are 1, 2, 3, and 4, respectively
Usergeohash	The spatial identity of the user location can be empty	Generated by the algorithm of latitude and longitude by secrecy
Itemcategory	Commodity classification label	Field desensitization
Time	Behavior time	Precision to an hourly level