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EVFeX: An efficient vertical federated XGBoost algorithm based on optimized secure matrix multiplication
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DOI：10.1016/j.sigpro.2024.109686.png)
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Federated Learning is a distributed machine learning paradigm that enables multiple participants to collaboratively train models without compromising the privacy of any party involved. Currently, vertical federated learning based on XGBoost is widely used in the industry due to its interpretability. However, existing vertical federated XGBoost algorithms either lack sufficient security, exhibit low efficiency, or struggle to adapt to large-scale datasets. To address these issues, we propose EVFeX, an efficient vertical federated XGBoost algorithm based on optimized secure matrix multiplication, which eliminates the need for time-consuming homomorphic encryption and achieves a level of security equivalent to encryption. It greatly enhances efficiency and remains unaffected by data volume. The proposed algorithm is compared with three state-of-the-art algorithms on three datasets, demonstrating its superior efficiency and uncompromised accuracy. We also provide theoretical analyses of the algorithm's privacy and conduct a comparative analysis of privacy, efficiency, and accuracy with related algorithms.
Keyword:
Vertical federated learning
Secure multi-party computation
XGBoost
Secure matrix multiplication
QR decomposition
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3.6
论文数:
9.9K
被引数:
1.7W
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分享收藏An Efficient Learning Framework for Federated XGBoost Using Secret Sharing and Distributed Optimization使用秘密共享和分布式优化的联合XGBoost的高效学习框架
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