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The k-nearest neighbors (k-NN) algorithm is a popular and effective classification algorithm. Due to its large storage and computational requirements, it is suitable for cloud outsourcing. However, k-NN is often run on sensitive data such…

密码学与安全 · 计算机科学 2015-07-31 Frank Li , Richard Shin , Vern Paxson

Language Models (LMs) typically adhere to a "pre-training and fine-tuning" paradigm, where a universal pre-trained model can be fine-tuned to cater to various specialized domains. Low-Rank Adaptation (LoRA) has gained the most widespread…

密码学与安全 · 计算机科学 2025-07-25 Delong Ran , Xinlei He , Tianshuo Cong , Anyu Wang , Qi Li , Xiaoyun Wang

To efficiently monitor the growth and evolution of a particular wildlife population, one of the main fundamental challenges to address in animal ecology is the re-identification of individuals that have been previously encountered but also…

计算机视觉与模式识别 · 计算机科学 2023-03-01 Voncarlos Marcelo Araújo , Sébastien Gambs , Clément Chion , Robert Michaud , Léo Schneider , Hadrien Lautraite

Tabular data synthesis using diffusion models has gained significant attention for its potential to balance data utility and privacy. However, existing privacy evaluations often rely on heuristic metrics or weak membership inference attacks…

机器学习 · 计算机科学 2025-03-18 Xiaoyu Wu , Yifei Pang , Terrance Liu , Steven Wu

Determining whether a dataset was part of a machine learning model's training data pool can reveal privacy vulnerabilities, a challenge often addressed through membership inference attacks (MIAs). Traditional MIAs typically require access…

机器学习 · 计算机科学 2025-06-03 Yongchao Huang

The primary promise of decentralized learning is to allow users to engage in the training of machine learning models in a collaborative manner while keeping their data on their premises and without relying on any central entity. However,…

Machine learning algorithms, when applied to sensitive data, pose a potential threat to privacy. A growing body of prior work has demonstrated that membership inference attack (MIA) can disclose specific private information in the training…

密码学与安全 · 计算机科学 2020-01-27 Bo Zhang , Ruotong Yu , Haipei Sun , Yanying Li , Jun Xu , Hui Wang

Machine learning models, in particular deep neural networks, are currently an integral part of various applications, from healthcare to finance. However, using sensitive data to train these models raises concerns about privacy and security.…

密码学与安全 · 计算机科学 2024-07-10 Haonan Shi , Tu Ouyang , An Wang

Large language models (LLMs) are trained on massive web-scale corpora, raising growing concerns about privacy and copyright. Membership inference attacks (MIAs) aim to determine whether a given example was used during training. Existing LLM…

机器学习 · 计算机科学 2026-04-02 Ravi Ranjan , Utkarsh Grover , Xiaomin Lin , Agoritsa Polyzou

We propose a new framework for Bayesian estimation of differential privacy, incorporating evidence from multiple membership inference attacks (MIA). Bayesian estimation is carried out via a Markov chain Monte Carlo (MCMC) algorithm, named…

机器学习 · 计算机科学 2025-11-04 Ceren Yildirim , Kamer Kaya , Sinan Yildirim , Erkay Savas

Recent studies have shown that deep learning models are vulnerable to membership inference attacks (MIAs), which aim to infer whether a data record was used to train a target model or not. To analyze and study these vulnerabilities, various…

机器学习 · 统计学 2025-08-12 Chenxu Zhao , Wei Qian , Aobo Chen , Mengdi Huai

Differential privacy quantifies privacy through the privacy budget $\epsilon$, yet its practical interpretation is complicated by variations across models and datasets. Recent research on differentially private machine learning and…

机器学习 · 计算机科学 2024-10-31 Yuechun Gu , Keke Chen

Given the rising popularity of AI-generated art and the associated copyright concerns, identifying whether an artwork was used to train a diffusion model is an important research topic. The work approaches this problem from the membership…

密码学与安全 · 计算机科学 2025-08-14 Jingwei Li , Jing Dong , Tianxing He , Jingzhao Zhang

Determining which data samples were used to train a model, known as Membership Inference Attack (MIA), is a well-studied and important problem with implications on data privacy. SotA methods (which are black-box attacks) rely on training…

机器学习 · 计算机科学 2026-02-26 Yuval Golbari , Navve Wasserman , Gal Vardi , Michal Irani

Membership inference attacks (MIAs) against machine learning (ML) models aim to determine whether a given data point was part of the model training data. These attacks may pose significant privacy risks to individuals whose sensitive data…

密码学与安全 · 计算机科学 2025-11-24 Mona Khalil , Alberto Blanco-Justicia , Najeeb Jebreel , Josep Domingo-Ferrer

Wasserstein Discriminant Analysis (WDA) is a new supervised method that can improve classification of high-dimensional data by computing a suitable linear map onto a lower dimensional subspace. Following the blueprint of classical Linear…

机器学习 · 统计学 2018-09-21 Rémi Flamary , Marco Cuturi , Nicolas Courty , Alain Rakotomamonjy

Credit attribution is the task of associating individual parts in a document with their most appropriate class labels. It is an important task with applications to information retrieval and text summarization. When labeled training data is…

计算与语言 · 计算机科学 2019-11-27 Saurav Manchanda , George Karypis

Membership inference attacks (MIAs) aim to determine whether a specific sample was used to train a predictive model. Knowing this may indeed lead to a privacy breach. Most MIAs, however, make use of the model's prediction scores - the…

机器学习 · 计算机科学 2023-01-25 Dominik Hintersdorf , Lukas Struppek , Kristian Kersting

Membership inference attack is one of the most popular privacy attacks in machine learning, which aims to predict whether a given sample was contained in the target model's training set. Label-only membership inference attack is a variant…

机器学习 · 计算机科学 2023-06-08 JiaCheng Xu , ChengXiang Tan

This work investigates and evaluates multiple defense strategies against property inference attacks (PIAs), a privacy attack against machine learning models. Given a trained machine learning model, PIAs aim to extract statistical properties…

密码学与安全 · 计算机科学 2023-10-10 Joshua Stock , Jens Wettlaufer , Daniel Demmler , Hannes Federrath