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Deep networks have shown great performance in classification tasks. However, the parameters learned by the classifier networks usually discard stylistic information of the input, in favour of information strictly relevant to classification.…

神经与进化计算 · 计算机科学 2018-03-07 Rey Wiyatno , Jeff Orchard

Dense Retrieval (DR) reaches state-of-the-art results in first-stage retrieval, but little is known about the mechanisms that contribute to its success. Therefore, in this work, we conduct an interpretation study of recently proposed DR…

信息检索 · 计算机科学 2021-11-30 Jingtao Zhan , Jiaxin Mao , Yiqun Liu , Jiafeng Guo , Min Zhang , Shaoping Ma

Model Inversion (MI) attacks pose a significant threat to the privacy of Deep Neural Networks by recovering training data distribution from well-trained models. While existing defenses often rely on regularization techniques to reduce…

密码学与安全 · 计算机科学 2024-11-26 Zhen-Ting Liu , Shang-Tse Chen

In intrusion detection systems, classifiers still suffer from several drawbacks such as data dimensionality and dominance, different network feature types, and data impact on the classification. In this paper two significant enhancements…

密码学与安全 · 计算机科学 2012-12-12 Maher Salem , Ulrich Buehler

Variational methods that rely on a recognition network to approximate the posterior of directed graphical models offer better inference and learning than previous methods. Recent advances that exploit the capacity and flexibility in this…

机器学习 · 计算机科学 2018-02-21 R Devon Hjelm , Kyunghyun Cho , Junyoung Chung , Russ Salakhutdinov , Vince Calhoun , Nebojsa Jojic

Designing models that are robust to small adversarial perturbations of their inputs has proven remarkably difficult. In this work we show that the reverse problem---making models more vulnerable---is surprisingly easy. After presenting some…

计算机视觉与模式识别 · 计算机科学 2019-05-09 Thomas Tanay , Jerone T. A. Andrews , Lewis D. Griffin

Distributed learning paradigms such as federated learning often involve transmission of model updates, or gradients, over a network, thereby avoiding transmission of private data. However, it is possible for sensitive information about the…

机器学习 · 计算机科学 2021-11-02 Trung Dang , Om Thakkar , Swaroop Ramaswamy , Rajiv Mathews , Peter Chin , Françoise Beaufays

The widespread adoption of large language models (LLMs) has raised concerns regarding data privacy. This study aims to investigate the potential for privacy invasion through input reconstruction attacks, in which a malicious model provider…

机器学习 · 计算机科学 2024-05-24 Zhipeng Wan , Anda Cheng , Yinggui Wang , Lei Wang

This paper examines the accuracy of the PROSPECTOR model for uncertain reasoning. PROSPECTOR's solutions for a large number of computer-generated inference networks were compared to those obtained from probability theory and minimum…

人工智能 · 计算机科学 2013-04-12 Robert M. Yadrick , Bruce M. Perrin , David S. Vaughan , Peter D. Holden , Karl G. Kempf

Recent work shows that sensitive user data can be reconstructed from gradient updates, breaking the key privacy promise of federated learning. While success was demonstrated primarily on image data, these methods do not directly transfer to…

机器学习 · 计算机科学 2022-10-20 Mislav Balunović , Dimitar I. Dimitrov , Nikola Jovanović , Martin Vechev

Predictive coding-inspired deep networks for visual computing integrate classification and reconstruction processes in shared intermediate layers. Although synergy between these processes is commonly assumed, it has yet to be convincingly…

机器学习 · 计算机科学 2024-01-18 Jan Rathjens , Laurenz Wiskott

Network reconstruction is a well-developed sub-field of network science, but it has only recently been applied to production networks, where nodes are firms and edges represent customer-supplier relationships. We review the literature that…

综合经济学 · 经济学 2024-09-20 Luca Mungo , Alexandra Brintrup , Diego Garlaschelli , François Lafond

Machine learning models have been shown to leak information violating the privacy of their training set. We focus on membership inference attacks on machine learning models which aim to determine whether a data point was used to train the…

密码学与安全 · 计算机科学 2020-09-02 Shadi Rahimian , Tribhuvanesh Orekondy , Mario Fritz

Machine learning models are vulnerable to tiny adversarial input perturbations optimized to cause a very large output error. To measure this vulnerability, we need reliable methods that can find such adversarial perturbations. For image…

计算机视觉与模式识别 · 计算机科学 2024-07-15 Levente Halmosi , Bálint Mohos , Márk Jelasity

Publicly releasing the specification of a model with its trained parameters means an adversary can attempt to reconstruct information about the training data via training data reconstruction attacks, a major vulnerability of modern machine…

机器学习 · 统计学 2025-07-25 George Wynne

The inverse statistical problem of finding direct interactions in complex networks is difficult. In the natural sciences, well-controlled perturbation experiments are widely used to probe the structure of complex networks. However, our…

无序系统与神经网络 · 物理学 2019-10-24 Jialong Jiang , David A. Sivak , Matt Thomson

Probing is widely used to study which features can be decoded from language model representations. However, the common decoding probe approach has two limitations that we aim to solve with our new encoding probe approach: contributions of…

计算与语言 · 计算机科学 2026-05-04 Gaofei Shen , Martijn Bentum , Tom Lentz , Afra Alishahi , Grzegorz Chrupała

The Compressive Sensing framework maintains relevance even when the available measurements are subject to extreme quantization, as is exemplified by the so-called one-bit compressed sensing framework which aims to recover a signal from…

数值分析 · 数学 2015-06-03 Phillip North , Deanna Needell

Recurrent neural nets are widely used for predicting temporal data. Their inherent deep feedforward structure allows learning complex sequential patterns. It is believed that top-down feedback might be an important missing ingredient which…

机器学习 · 计算机科学 2016-10-20 Kamil M Rocki

We analyze the Basis Pursuit recovery of signals with general perturbations. Previous studies have only considered partially perturbed observations Ax + e. Here, x is a signal which we wish to recover, A is a full-rank matrix with more…

信息论 · 计算机科学 2015-05-13 Matthew A. Herman , Thomas Strohmer