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Federated machine learning systems have been widely used to facilitate the joint data analytics across the distributed datasets owned by the different parties that do not trust each others. In this paper, we proposed a novel Gradient…

机器学习 · 计算机科学 2019-11-28 Zhi Fengy , Haoyi Xiong , Chuanyuan Song , Sijia Yang , Baoxin Zhao , Licheng Wang , Zeyu Chen , Shengwen Yang , Liping Liu , Jun Huan

Due to the rising privacy demand in data mining, Homomorphic Encryption (HE) is receiving more and more attention recently for its capability to do computations over the encrypted field. By using the HE technique, it is possible to securely…

分布式、并行与集群计算 · 计算机科学 2020-06-20 Junyi Li , Heng Huang

After entering the era of big data, more and more companies build services with machine learning techniques. However, it is costly for companies to collect data and extract helpful handcraft features on their own. Although it is a way to…

密码学与安全 · 计算机科学 2024-10-31 Huan-Chih Wang , Ja-Ling Wu

Federated learning, conducive to solving data privacy and security problems, has attracted increasing attention recently. However, the existing federated boosting model sequentially builds a decision tree model with the weak base learner,…

机器学习 · 计算机科学 2022-04-05 Yujin Han , Pan Du , Kai Yang

Data fabric is an automated and AI-driven data fusion approach to accomplish data management unification without moving data to a centralized location for solving complex data problems. In a Federated learning architecture, the global model…

With the advance of machine learning and the internet of things (IoT), security and privacy have become key concerns in mobile services and networks. Transferring data to a central unit violates privacy as well as protection of sensitive…

密码学与安全 · 计算机科学 2024-05-07 Jing Ma , Si-Ahmed Naas , Stephan Sigg , Xixiang Lyu

Homomorphic permutation is fundamental to privacy-preserving computations based on batch-encoding homomorphic encryption. It underpins nearly all homomorphic matrix operations and predominantly influences their complexity. Permutation…

密码学与安全 · 计算机科学 2025-11-27 Xirong Ma , Junling Fang , Chunpeng Ge , Dung Hoang Duong , Yali Jiang , Yanbin Li , Willy Susilo , Lizhen Cui

In light of increasing privacy concerns and stringent legal regulations, using secure multiparty computation (MPC) to enable collaborative GBDT model training among multiple data owners has garnered significant attention. Despite this,…

密码学与安全 · 计算机科学 2025-12-23 Anxiao Song , Shujie Cui , Jianli Bai , Ke Cheng , Yulong Shen , Giovanni Russello

Fully Homomorphic Encryption (FHE) allows for computation directly on encrypted data and enables privacy-preserving neural inference in the cloud. Prior work has focused on models with dense inputs (e.g., CNNs), with less attention given to…

密码学与安全 · 计算机科学 2026-02-23 Karthik Garimella , Austin Ebel , Gabrielle De Micheli , Brandon Reagen

Federated learning (FL) with fully homomorphic encryption (FHE) effectively safeguards data privacy during model aggregation by encrypting local model updates before transmission, mitigating threats from untrusted servers or eavesdroppers…

密码学与安全 · 计算机科学 2025-09-30 Xiangchen Meng , Yangdi Lyu

Homomorphic encryption enables arbitrary computation over data while it remains encrypted. This privacy-preserving feature is attractive for machine learning, but requires significant computational time due to the large overhead of the…

密码学与安全 · 计算机科学 2018-11-27 Edward Chou , Josh Beal , Daniel Levy , Serena Yeung , Albert Haque , Li Fei-Fei

Due to privacy concerns, multi-party gradient tree boosting algorithms have become widely popular amongst machine learning researchers and practitioners. However, limited existing works have focused on vertically partitioned datasets, and…

密码学与安全 · 计算机科学 2022-02-08 Kennedy Edemacu , Beakcheol Jang , Jong Wook Kim

In this paper, we propose a novel method for enhancing security in privacy-preserving federated learning using the Vision Transformer. In federated learning, learning is performed by collecting updated information without collecting raw…

密码学与安全 · 计算机科学 2024-10-01 Hiroto Sawada , Shoko Imaizumi , Hitoshi Kiya

Most real-world classification problems deal with imbalanced datasets, posing a challenge for Artificial Intelligence (AI), i.e., machine learning algorithms, because the minority class, which is of extreme interest, often proves difficult…

Traditional AI methodologies necessitate centralized data collection, which becomes impractical when facing problems with network communication, data privacy, or storage capacity. Federated Learning (FL) offers a paradigm that empowers…

密码学与安全 · 计算机科学 2023-12-05 Konstantin Burlachenko , Abdulmajeed Alrowithi , Fahad Ali Albalawi , Peter Richtarik

Traditional approaches to vector similarity search over encrypted data rely on fully homomorphic encryption (FHE) to enable computation without decryption. However, the substantial computational overhead of FHE makes it impractical for…

密码学与安全 · 计算机科学 2025-02-21 Dongfang Zhao

We introduce a deep learning framework able to deal with strong privacy constraints. Based on collaborative learning, differential privacy and homomorphic encryption, the proposed approach advances state-of-the-art of private deep learning…

密码学与安全 · 计算机科学 2021-03-29 Arnaud Grivet Sébert , Rafael Pinot , Martin Zuber , Cédric Gouy-Pailler , Renaud Sirdey

Hierarchical federated learning (HFL) has emerged as an effective paradigm to enhance link quality between clients and the server. However, ensuring model accuracy while preserving privacy under unreliable communication remains a key…

机器学习 · 计算机科学 2026-01-27 Shudi Weng , Ming Xiao , Mikael Skoglund

Transformer models have revolutionized AI tasks, but their large size hinders real-world deployment on resource-constrained and latency-critical edge devices. While binarized Transformers offer a promising solution by significantly reducing…

机器学习 · 计算机科学 2025-05-13 Yuhao Ji , Chao Fang , Shaobo Ma , Haikuo Shao , Zhongfeng Wang

This paper evaluates XGboost's performance given different dataset sizes and class distributions, from perfectly balanced to highly imbalanced. XGBoost has been selected for evaluation, as it stands out in several benchmarks due to its…

机器学习 · 计算机科学 2023-03-28 Gissel Velarde , Anindya Sudhir , Sanjay Deshmane , Anuj Deshmunkh , Khushboo Sharma , Vaibhav Joshi