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The use of Machine Learning (ML) for data-driven decision-making often relies on access to sensitive datasets, which introduces privacy challenges. Traditional encryption methods protect data at rest or in transit but fail to secure it…

密码学与安全 · 计算机科学 2026-04-28 Alexandre Marques , Beatriz Sá , Rui Botelho , Pedro Pinto

Sequence-based deep learning recommendation models (DLRMs) are an emerging class of DLRMs showing great improvements over their prior sum-pooling based counterparts at capturing users' long term interests. These improvements come at immense…

机器学习 · 计算机科学 2023-01-10 Geet Sethi , Pallab Bhattacharya , Dhruv Choudhary , Carole-Jean Wu , Christos Kozyrakis

FHE-SQL is a privacy-preserving database system that enables secure query processing on encrypted data using Fully Homomorphic Encryption (FHE), providing privacy guaranties where an untrusted server can execute encrypted queries without…

密码学与安全 · 计算机科学 2025-10-20 Po-Yu Tseng , Po-Chu Hsu , Shih-Wei Liao

Omics data is widely employed in medical research to identify disease mechanisms and contains highly sensitive personal information. Federated Learning (FL) with Differential Privacy (DP) can ensure the protection of omics data privacy…

密码学与安全 · 计算机科学 2025-11-11 Yusaku Negoya , Feifei Cui , Zilong Zhang , Miao Pan , Tomoaki Ohtsuki , Aohan Li

When it comes to location-based services (LBS), user privacy protection can be in conflict with security of both users and trips. While LBS providers could adopt privacy preservation mechanisms to obfuscate customer data, the accuracy of…

密码学与安全 · 计算机科学 2021-12-14 Dajiang Suo , M. Elena Renda , Jinhua Zhao

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

We derive a family of linear inference algorithms that generalize existing graph-based label propagation algorithms by allowing them to propagate generalized assumptions about "attraction" or "compatibility" between classes of neighboring…

机器学习 · 计算机科学 2016-12-30 Wolfgang Gatterbauer

Federated Learning (FL) enables collaborative model training across distributed clients without sharing raw data, making it a promising approach for privacy-preserving machine learning in domains like Connected and Autonomous Vehicles…

密码学与安全 · 计算机科学 2025-06-10 Muhammad Ali Najjar , Ren-Yi Huang , Dumindu Samaraweera , Prashant Shekhar

Privacy-preserving solutions enable companies to offload confidential data to third-party services while fulfilling their government regulations. To accomplish this, they leverage various cryptographic techniques such as Homomorphic…

As machine learning (ML) models become increasingly deployed through cloud infrastructures, the confidentiality of user data during inference poses a significant security challenge. Homomorphic Encryption (HE) has emerged as a compelling…

密码学与安全 · 计算机科学 2025-10-29 Tejaswini Bollikonda

Sequential recommender systems (SRSs) aim to predict the subsequent items which may interest users via comprehensively modeling users' complex preference embedded in the sequence of user-item interactions. However, most of existing SRSs…

信息检索 · 计算机科学 2024-10-31 Chengkai Huang , Shoujin Wang , Xianzhi Wang , Lina Yao

Recommender systems have become an indispensable component in online services during recent years. Effective recommendation is essential for improving the services of various online business applications. However, serious privacy concerns…

密码学与安全 · 计算机科学 2018-11-07 Yingying Zhao , Dongsheng Li , Qin Lv , Li Shang

Large language models(LLMs) are currently at the forefront of the machine learning field, which show a broad application prospect but at the same time expose some risks of privacy leakage. We combined Fully Homomorphic Encryption(FHE) and…

密码学与安全 · 计算机科学 2025-01-08 Zhang Ruoyan , Zheng Zhongxiang , Bao Wankang

Nowadays, privacy preserving machine learning has been drawing much attention in both industry and academy. Meanwhile, recommender systems have been extensively adopted by many commercial platforms (e.g. Amazon) and they are mainly built…

机器学习 · 计算机科学 2020-03-06 Chaochao Chen , Liang Li , Bingzhe Wu , Cheng Hong , Li Wang , Jun Zhou

The Location Service (LCS) proposed by the telecommunication industry is an architecture that allows the location of mobile devices to be accessed in various applications. We explore the use of LCS in location-enhanced server…

密码学与安全 · 计算机科学 2016-08-17 Der-Yeuan Yu , Aanjhan Ranganathan , Ramya Jayaram Masti , Claudio Soriente , Srdjan Capkun

The applications of Generative Artificial Intelligence (GenAI) and their intersections with data-driven fields, such as healthcare, finance, transportation, and information security, have led to significant improvements in service…

密码学与安全 · 计算机科学 2026-04-15 Anes Abdennebi , Nadjia Kara , Laaziz Lahlou

Modern cryptographic methods for implementing privacy-preserving LLMs such as \gls{HE} require the LLMs to have a polynomial form. Forming such a representation is challenging because transformers include non-polynomial components, such as…

Cloud computing is an upcoming technology that has been designed for commercial needs. One of the major issues in cloud computing is the difficulty to manage federated identities and the trust between the user and the service providers.…

密码学与安全 · 计算机科学 2018-03-09 Jissy Ann George , S. Veni , Safeeullah Soomro

Decentralized deep learning plays a key role in collaborative model training due to its attractive properties, including tolerating high network latency and less prone to single-point failures. Unfortunately, such a training mode is more…

密码学与安全 · 计算机科学 2022-07-12 Guowen Xu , Guanlin Li , Shangwei Guo , Tianwei Zhang , Hongwei Li

Session-based recommendation systems (SBRS) aim to capture user's short-term intent from interaction sequences. However, the common assumption of anonymous sessions limits personalization, particularly under sparse or cold-start conditions.…

信息检索 · 计算机科学 2026-04-15 Muskan Gupta , Suraj Thapa , Jyotsana Khatri