Negative sample extraction method and device, computer equipment and storage medium
The invention relates to the technical field of machine learning, in particular to a negative sample extraction method and device, computer equipment and a storage medium, and the method comprises thesteps: obtaining the page burying point information of a display page in an application platform, an...
Gespeichert in:
1. Verfasser: | |
---|---|
Format: | Patent |
Sprache: | chi ; eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | The invention relates to the technical field of machine learning, in particular to a negative sample extraction method and device, computer equipment and a storage medium, and the method comprises thesteps: obtaining the page burying point information of a display page in an application platform, and determining the label information and popularity information of each burying point object according to the page burying point information; acquiring historical behavior information of a user in the application platform, and determining a label weight of the user in the application platform according to the historical behavior information; according to the label weight and the label information of each buried point object, determining the sampling probability of each buried point object sampled by the user in the application platform; generating a negative sample distribution sequence according to the popularity information and the sampling probability of each buried point object, and extracting a negative sample |
---|