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Several domains increasingly rely on machine learning in their applications. The resulting heavy dependence on data has led to the emergence of various laws and regulations around data ethics and privacy and growing awareness of the need…

机器学习 · 计算机科学 2023-09-11 Sofiane Ouaari , Ali Burak Ünal , Mete Akgün , Nico Pfeifer

We introduce the Poisson Binomial mechanism (PBM), a discrete differential privacy mechanism for distributed mean estimation (DME) with applications to federated learning and analytics. We provide a tight analysis of its privacy guarantees,…

密码学与安全 · 计算机科学 2022-07-21 Wei-Ning Chen , Ayfer Özgür , Peter Kairouz

The ubiquity of distributed machine learning (ML) in sensitive public domain applications calls for algorithms that protect data privacy, while being robust to faults and adversarial behaviors. Although privacy and robustness have been…

机器学习 · 计算机科学 2023-05-30 Youssef Allouah , Rachid Guerraoui , Nirupam Gupta , Rafael Pinot , John Stephan

A privacy-utility tradeoff is developed for an arbitrary set of finite-alphabet source distributions. Privacy is quantified using differential privacy (DP), and utility is quantified using expected Hamming distortion maximized over the set…

信息论 · 计算机科学 2018-08-02 Kousha Kalantari , Lalitha Sankar , Anand Sarwate

Especially in the Big Data era, the usage of different classification methods is increasing day by day. The success of these classification methods depends on the effectiveness of learning methods. Extreme learning machine (ELM)…

密码学与安全 · 计算机科学 2016-02-10 Ferhat Özgür Çatak

Continual data collection and widespread deployment of machine learning algorithms, particularly the distributed variants, have raised new privacy challenges. In a distributed machine learning scenario, the dataset is stored among several…

分布式、并行与集群计算 · 计算机科学 2016-12-16 Shripad Gade , Nitin H. Vaidya

Hierarchical text classification consists in classifying text documents into a hierarchy of classes and sub-classes. Although artificial neural networks have proved useful to perform this task, unfortunately they can leak training data…

密码学与安全 · 计算机科学 2021-12-10 Dominik Wunderlich , Daniel Bernau , Francesco Aldà , Javier Parra-Arnau , Thorsten Strufe

We study regret minimization under privacy constraints in episodic inhomogeneous linear Markov Decision Processes (MDPs), motivated by the growing use of reinforcement learning (RL) in personalized decision-making systems that rely on…

机器学习 · 计算机科学 2025-04-29 Sharan Sahu

The rapid advancement of large language models (LLMs) has revolutionized natural language processing, enabling applications in diverse domains such as healthcare, finance and education. However, the growing reliance on extensive data for…

密码学与安全 · 计算机科学 2024-12-10 Guoshenghui Zhao , Eric Song

Support Vector Machines (SVMs) are among the most popular classification techniques adopted in security applications like malware detection, intrusion detection, and spam filtering. However, if SVMs are to be incorporated in real-world…

Large language models (LLMs) have significantly transformed natural language understanding and generation, but they raise privacy concerns due to potential exposure of sensitive information. Studies have highlighted the risk of information…

机器学习 · 计算机科学 2025-11-20 Bishnu Bhusal , Manoj Acharya , Ramneet Kaur , Colin Samplawski , Anirban Roy , Adam D. Cobb , Rohit Chadha , Susmit Jha

Train machine learning models on sensitive user data has raised increasing privacy concerns in many areas. Federated learning is a popular approach for privacy protection that collects the local gradient information instead of real data.…

密码学与安全 · 计算机科学 2021-05-24 Lichao Sun , Jianwei Qian , Xun Chen

Machine learning techniques based on neural networks are achieving remarkable results in a wide variety of domains. Often, the training of models requires large, representative datasets, which may be crowdsourced and contain sensitive…

机器学习 · 统计学 2018-12-21 Martín Abadi , Andy Chu , Ian Goodfellow , H. Brendan McMahan , Ilya Mironov , Kunal Talwar , Li Zhang

This paper studies the relationship between generalization and privacy preservation in iterative learning algorithms by two sequential steps. We first establish an alignment between generalization and privacy preservation for any learning…

机器学习 · 计算机科学 2020-08-10 Fengxiang He , Bohan Wang , Dacheng Tao

The privacy of data is a major challenge in machine learning as a trained model may expose sensitive information of the enclosed dataset. Besides, the limited computation capability and capacity of edge devices have made cloud-hosted…

机器学习 · 计算机科学 2020-05-15 Behnam Khaleghi , Mohsen Imani , Tajana Rosing

In this paper, we apply machine learning to distributed private data owned by multiple data owners, entities with access to non-overlapping training datasets. We use noisy, differentially-private gradients to minimize the fitness cost of…

密码学与安全 · 计算机科学 2019-07-03 Nan Wu , Farhad Farokhi , David Smith , Mohamed Ali Kaafar

Data holders are increasingly seeking to protect their user's privacy, whilst still maximizing their ability to produce machine models with high quality predictions. In this work, we empirically evaluate various implementations of…

密码学与安全 · 计算机科学 2020-09-16 Benjamin Zi Hao Zhao , Mohamed Ali Kaafar , Nicolas Kourtellis

The objective of machine learning is to extract useful information from data, while privacy is preserved by concealing information. Thus it seems hard to reconcile these competing interests. However, they frequently must be balanced when…

机器学习 · 计算机科学 2014-12-25 Zhanglong Ji , Zachary C. Lipton , Charles Elkan

Attacks that aim to identify the training data of public neural networks represent a severe threat to the privacy of individuals participating in the training data set. A possible protection is offered by anonymization of the training data…

密码学与安全 · 计算机科学 2020-05-27 Daniel Bernau , Philip-William Grassal , Jonas Robl , Florian Kerschbaum

We study model personalization under user-level differential privacy (DP) in the shared representation framework. In this problem, there are $n$ users whose data is statistically heterogeneous, and their optimal parameters share an unknown…

机器学习 · 计算机科学 2025-06-25 Conor Snedeker , Xinyu Zhou , Raef Bassily