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相关论文: Enhancing Adversarial Text Attacks on BERT Models …

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Large-scale pre-trained language models such as BERT have contributed significantly to the development of NLP. However, those models require large computational resources, making it difficult to be applied to mobile devices where computing…

计算与语言 · 计算机科学 2023-08-02 Weixin Wu , Hankz Hankui Zhuo

Word-level textual adversarial attacks have demonstrated notable efficacy in misleading Natural Language Processing (NLP) models. Despite their success, the underlying reasons for their effectiveness and the fundamental characteristics of…

计算与语言 · 计算机科学 2024-04-16 Ning Lu , Shengcai Liu , Zhirui Zhang , Qi Wang , Haifeng Liu , Ke Tang

DNN is presenting human-level performance for many complex intelligent tasks in real-world applications. However, it also introduces ever-increasing security concerns. For example, the emerging adversarial attacks indicate that even very…

机器学习 · 计算机科学 2018-03-21 Qi Liu , Tao Liu , Zihao Liu , Yanzhi Wang , Yier Jin , Wujie Wen

What should a malicious user write next to fool a detection model? Identifying malicious users is critical to ensure the safety and integrity of internet platforms. Several deep learning-based detection models have been created. However,…

机器学习 · 计算机科学 2021-10-20 Bing He , Mustaque Ahamad , Srijan Kumar

Recent advancements in natural language processing have highlighted the vulnerability of deep learning models to adversarial attacks. While various defence mechanisms have been proposed, there is a lack of comprehensive benchmarks that…

计算与语言 · 计算机科学 2025-01-23 Yang Wang , Chenghua Lin

Both generic and domain-specific BERT models are widely used for natural language processing (NLP) tasks. In this paper we investigate the vulnerability of BERT models to variation in input data for Named Entity Recognition (NER) through…

计算与语言 · 计算机科学 2022-02-01 Anne Dirkson , Suzan Verberne , Wessel Kraaij

Retrieval Augmented Generation (RAG) frameworks improve the accuracy of large language models (LLMs) by integrating external knowledge from retrieved documents, thereby overcoming the limitations of models' static intrinsic knowledge.…

信息检索 · 计算机科学 2025-09-19 Jingjie Zheng , Aryo Pradipta Gema , Giwon Hong , Xuanli He , Pasquale Minervini , Youcheng Sun , Qiongkai Xu

An adversarial attack paradigm explores various scenarios for the vulnerability of deep learning models: minor changes of the input can force a model failure. Most of the state of the art frameworks focus on adversarial attacks for images…

机器学习 · 计算机科学 2020-06-22 I. Fursov , A. Zaytsev , N. Kluchnikov , A. Kravchenko , E. Burnaev

Neural Machine Translation (NMT) systems are used in various applications. However, it has been shown that they are vulnerable to very small perturbations of their inputs, known as adversarial attacks. In this paper, we propose a new…

计算与语言 · 计算机科学 2023-03-03 Sahar Sadrizadeh , AmirHossein Dabiri Aghdam , Ljiljana Dolamic , Pascal Frossard

Deep Neural Networks have been widely used in many fields. However, studies have shown that DNNs are easily attacked by adversarial examples, which have tiny perturbations and greatly mislead the correct judgment of DNNs. Furthermore, even…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Shaowei Zhu , Wanli Lyu , Bin Li , Zhaoxia Yin , Bin Luo

Adversarial attacks on deep-learning models pose a serious threat to their reliability and security. Existing defense mechanisms are narrow addressing a specific type of attack or being vulnerable to sophisticated attacks. We propose a new…

机器学习 · 计算机科学 2023-06-22 Mouna Rabhi , Roberto Di Pietro

Deep learning achieves state-of-the-art performance in many tasks but exposes to the underlying vulnerability against adversarial examples. Across existing defense techniques, adversarial training with the projected gradient decent attack…

密码学与安全 · 计算机科学 2022-10-04 Tianjin Huang , Vlado Menkovski , Yulong Pei , Mykola Pechenizkiy

Gradient-based adversarial prompting, such as the Greedy Coordinate Gradient (GCG) algorithm, has emerged as a powerful method for jailbreaking large language models (LLMs). In this paper, we present a systematic appraisal of GCG and its…

计算与语言 · 计算机科学 2025-09-03 Yuting Tan , Xuying Li , Zhuo Li , Huizhen Shu , Peikang Hu

Adversarial training, which minimizes the maximal risk for label-preserving input perturbations, has proved to be effective for improving the generalization of language models. In this work, we propose a novel adversarial training…

计算与语言 · 计算机科学 2020-04-24 Chen Zhu , Yu Cheng , Zhe Gan , Siqi Sun , Tom Goldstein , Jingjing Liu

Neural networks are vulnerable to adversarial attacks -- small visually imperceptible crafted noise which when added to the input drastically changes the output. The most effective method of defending against these adversarial attacks is to…

In this study, we implement a novel BERT architecture for multitask fine-tuning on three downstream tasks: sentiment classification, paraphrase detection, and semantic textual similarity prediction. Our model, Multitask BERT, incorporates…

计算与语言 · 计算机科学 2024-08-29 Christopher Sun , Abishek Satish

Adversarial example detection plays a vital role in adaptive cyber defense, especially in the face of rapidly evolving attacks. In adaptive cyber defense, the nature and characteristics of attacks continuously change, making it crucial to…

密码学与安全 · 计算机科学 2023-08-31 Atefeh Mahdavi , Neda Keivandarian , Marco Carvalho

Many adversarial defense methods have been proposed to enhance the adversarial robustness of natural language processing models. However, most of them introduce additional pre-set linguistic knowledge and assume that the synonym candidates…

计算与语言 · 计算机科学 2024-02-28 Yichen Yang , Xin Liu , Kun He

Vision foundation models are increasingly employed in autonomous driving systems due to their advanced capabilities. However, these models are susceptible to adversarial attacks, posing significant risks to the reliability and safety of…

多媒体 · 计算机科学 2024-07-19 Jiyuan Fu , Zhaoyu Chen , Kaixun Jiang , Haijing Guo , Shuyong Gao , Wenqiang Zhang

Deep Neural Networks (DNNs) are well-known to be vulnerable to Adversarial Examples (AEs). A large amount of efforts have been spent to launch and heat the arms race between the attackers and defenders. Recently, advanced gradient-based…

密码学与安全 · 计算机科学 2020-05-29 Han Qiu , Yi Zeng , Qinkai Zheng , Tianwei Zhang , Meikang Qiu , Gerard Memmi