Auffinden von Spalten in Gradientenverstärkungssystemen

Details

Veröffentlichungs-Nr.

EP4765724

Anmeldetag

15. Dezember 2025

Veröffentlichung

24. Juni 2026

Rechtsraum

EP

IPC

H04L9/08, G06F18/243

Abstract

Methods, systems, and apparatus, including computer programs encoded on computer storage media, for finding splits in gradient boosting systems. One example method includes identifying, based on multi-party computation (MPC), a first split among possible first splits in a first layer of a decision tree. Identifying the first split comprises determining a first derivative and a second derivative for each sample in a dataset of n samples and m features; generating a sorting array indicating a sorting order of at least one feature; identifying the first split based on first derivatives, second derivatives and the sorting array; and generating an index vector that indicates whether each sample belongs to a first or a second sub-dataset. The method further includes identifying a second split among possible second splits in a second layer of the decision tree based on the first derivatives, the second derivatives, the sorting array, and the index vector.

Anmelder

Firma

Beijing Zitiao Network Technology Co., Ltd.

Land

🇨🇳 China

Fachgebiete