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相关论文: Generative Poisoning Using Random Discriminators

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Collecting training data from untrusted sources exposes machine learning services to poisoning adversaries, who maliciously manipulate training data to degrade the model accuracy. When trained on offline datasets, poisoning adversaries have…

机器学习 · 计算机科学 2021-10-27 Tianyu Pang , Xiao Yang , Yinpeng Dong , Hang Su , Jun Zhu

Toxic language detection systems often falsely flag text that contains minority group mentions as toxic, as those groups are often the targets of online hate. Such over-reliance on spurious correlations also causes systems to struggle with…

计算与语言 · 计算机科学 2022-07-15 Thomas Hartvigsen , Saadia Gabriel , Hamid Palangi , Maarten Sap , Dipankar Ray , Ece Kamar

Data poisoning is an attack on machine learning models wherein the attacker adds examples to the training set to manipulate the behavior of the model at test time. This paper explores poisoning attacks on neural nets. The proposed attacks…

Retrieval-Augmented Generation (RAG) systems enhance Large Language Models (LLMs) by retrieving relevant documents from external corpora before generating responses. This approach significantly expands LLM capabilities by leveraging vast,…

密码学与安全 · 计算机科学 2025-11-13 Haowei Wang , Rupeng Zhang , Junjie Wang , Mingyang Li , Yuekai Huang , Dandan Wang , Qing Wang

Sparse reward is one of the biggest challenges in reinforcement learning (RL). In this paper, we propose a novel method called Generative Exploration and Exploitation (GENE) to overcome sparse reward. GENE automatically generates start…

机器学习 · 计算机科学 2019-11-21 Jiechuan Jiang , Zongqing Lu

Despite recent advances, goal-directed generation of structured discrete data remains challenging. For problems such as program synthesis (generating source code) and materials design (generating molecules), finding examples which satisfy…

机器学习 · 计算机科学 2020-10-26 Amina Mollaysa , Brooks Paige , Alexandros Kalousis

Backdoor attacks, representing an emerging threat to the integrity of deep neural networks, have garnered significant attention due to their ability to compromise deep learning systems clandestinely. While numerous backdoor attacks occur…

密码学与安全 · 计算机科学 2024-03-18 Sze Jue Yang , Chinh D. La , Quang H. Nguyen , Kok-Seng Wong , Anh Tuan Tran , Chee Seng Chan , Khoa D. Doan

Diffusion models have shown promising results for a wide range of generative tasks with continuous data, such as image and audio synthesis. However, little progress has been made on using diffusion models to generate discrete symbolic music…

声音 · 计算机科学 2023-10-24 Jincheng Zhang , György Fazekas , Charalampos Saitis

Creating large-scale datasets for training high-performance generative models is often prohibitively expensive, especially when associated attributes or annotations must be provided. As a result, merging existing datasets has become a…

机器学习 · 统计学 2026-03-31 Yanfeng Yang , Kenji Fukumizu

Discrete diffusion models are a powerful, emerging paradigm for code generation. They construct programs through iterative refinement of partially corrupted token sequences and enable parallel token refinement. Importantly, this paradigm…

计算与语言 · 计算机科学 2026-05-19 Lize Shao , Michael Cardei , Zichen Xie , Ferdinando Fioretto , Wenxi Wang

Sequence generation applications require satisfying semantic constraints, such as ensuring that programs are correct, using certain keywords, or avoiding undesirable content. Language models, whether fine-tuned or prompted with few-shot…

计算与语言 · 计算机科学 2022-11-02 Sean Welleck , Ximing Lu , Peter West , Faeze Brahman , Tianxiao Shen , Daniel Khashabi , Yejin Choi

Despite the rapid development of adversarial machine learning, most adversarial attack and defense researches mainly focus on the perturbation-based adversarial examples, which is constrained by the input images. In comparison with existing…

计算机视觉与模式识别 · 计算机科学 2020-02-10 Xiaosen Wang , Kun He , Chuanbiao Song , Liwei Wang , John E. Hopcroft

Deep learning (DL) models for natural language-to-code generation have become integral to modern software development pipelines. However, their heavy reliance on large amounts of data, often collected from unsanitized online sources,…

密码学与安全 · 计算机科学 2025-09-01 Cristina Improta

The field of natural language generation has witnessed significant advancements in recent years, including the development of controllable text generation techniques. However, controlling the attributes of the generated text remains a…

计算与语言 · 计算机科学 2024-01-17 Tong Niu , Caiming Xiong , Semih Yavuz , Yingbo Zhou

Deep generative models, while revolutionizing fields like image and text generation, largely operate as opaque ``black boxes'', hindering human understanding, control, and alignment. While methods like sparse autoencoders (SAEs) show…

机器学习 · 计算机科学 2026-04-03 Lingjing Kong , Shaoan Xie , Guangyi Chen , Yuewen Sun , Xiangchen Song , Eric P. Xing , Kun Zhang

We introduce PureVQ-GAN, a defense against data poisoning that forces backdoor triggers through a discrete bottleneck using Vector-Quantized VAE with GAN discriminator. By quantizing poisoned images through a learned codebook, PureVQ-GAN…

Machine learning algorithms are vulnerable to data poisoning attacks. Prior taxonomies that focus on specific scenarios, e.g., indiscriminate or targeted, have enabled defenses for the corresponding subset of known attacks. Yet, this…

密码学与安全 · 计算机科学 2020-03-02 Sanghyun Hong , Varun Chandrasekaran , Yiğitcan Kaya , Tudor Dumitraş , Nicolas Papernot

Adversarial examples are data points misclassified by neural networks. Originally, adversarial examples were limited to adding small perturbations to a given image. Recent work introduced the generalized concept of unrestricted adversarial…

机器学习 · 计算机科学 2020-05-20 Martin Kotuliak , Sandro E. Schoenborn , Andrei Dan

Machine learning models are brittle, and small changes in the training data can result in different predictions. We study the problem of proving that a prediction is robust to data poisoning, where an attacker can inject a number of…

编程语言 · 计算机科学 2020-06-25 Samuel Drews , Aws Albarghouthi , Loris D'Antoni

Dataset bias is a significant challenge in machine learning, where specific attributes, such as texture or color of the images are unintentionally learned resulting in detrimental performance. To address this, previous efforts have focused…

计算机视觉与模式识别 · 计算机科学 2024-06-11 Donggeun Ko , Sangwoo Jo , Dongjun Lee , Namjun Park , Jaekwang Kim