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Research shows that natural language processing models are generally considered to be vulnerable to adversarial attacks; but recent work has drawn attention to the issue of validating these adversarial inputs against certain criteria (e.g.,…

Computation and Language · Computer Science 2021-09-10 Maximilian Mozes , Max Bartolo , Pontus Stenetorp , Bennett Kleinberg , Lewis D. Griffin

Adversarial example generation methods in NLP rely on models like language models or sentence encoders to determine if potential adversarial examples are valid. In these methods, a valid adversarial example fools the model being attacked,…

Computation and Language · Computer Science 2020-10-07 John X. Morris

Self-supervised learning approach like contrastive learning is attached great attention in natural language processing. It uses pairs of training data augmentations to build a classification task for an encoder with well representation…

Computation and Language · Computer Science 2021-12-03 Deshui Miao , Jiaqi Zhang , Wenbo Xie , Jian Song , Xin Li , Lijuan Jia , Ning Guo

Generating adversarial examples for natural language is hard, as natural language consists of discrete symbols, and examples are often of variable lengths. In this paper, we propose a geometry-inspired attack for generating natural language…

Computation and Language · Computer Science 2020-10-06 Zhao Meng , Roger Wattenhofer

An adversarial example is an input transformed by small perturbations that machine learning models consistently misclassify. While there are a number of methods proposed to generate adversarial examples for text data, it is not trivial to…

Computation and Language · Computer Science 2020-06-02 Ying Xu , Xu Zhong , Antonio Jose Jimeno Yepes , Jey Han Lau

AI-generated counterspeech offers a promising and scalable strategy to curb online toxicity through direct replies that promote civil discourse. However, current counterspeech is one-size-fits-all, lacking adaptation to the moderation…

Human-Computer Interaction · Computer Science 2025-02-10 Lorenzo Cima , Alessio Miaschi , Amaury Trujillo , Marco Avvenuti , Felice Dell'Orletta , Stefano Cresci

Recently, generating adversarial examples has become an important means of measuring robustness of a deep learning model. Adversarial examples help us identify the susceptibilities of the model and further counter those vulnerabilities by…

Machine Learning · Computer Science 2021-03-03 Prashanth Vijayaraghavan , Deb Roy

The conventional targeted adversarial attacks add a small perturbation to an image to make neural network models estimate the image as a predefined target class, even if it is not the correct target class. Recently, for visual-language…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Jonggyu Jang , Hyeonsu Lyu , Jungyeon Koh , Hyun Jong Yang

Neural machine translation systems tend to fail on less decent inputs despite its significant efficacy, which may significantly harm the credibility of this systems-fathoming how and when neural-based systems fail in such cases is critical…

Computation and Language · Computer Science 2020-05-27 Wei Zou , Shujian Huang , Jun Xie , Xinyu Dai , Jiajun Chen

Transformer-based pre-trained models of code (PTMC) have been widely utilized and have achieved state-of-the-art performance in many mission-critical applications. However, they can be vulnerable to adversarial attacks through identifier…

Cryptography and Security · Computer Science 2023-11-27 Xiaohu Du , Ming Wen , Zichao Wei , Shangwen Wang , Hai Jin

We propose syntactically controlled paraphrase networks (SCPNs) and use them to generate adversarial examples. Given a sentence and a target syntactic form (e.g., a constituency parse), SCPNs are trained to produce a paraphrase of the…

Computation and Language · Computer Science 2018-04-18 Mohit Iyyer , John Wieting , Kevin Gimpel , Luke Zettlemoyer

Adversarial attack research in natural language processing (NLP) has made significant progress in designing powerful attack methods and defence approaches. However, few efforts have sought to identify which source samples are the most…

Computation and Language · Computer Science 2023-06-26 Vyas Raina , Mark Gales

Adversarial examples are important for understanding the behavior of neural models, and can improve their robustness through adversarial training. Recent work in natural language processing generated adversarial examples by assuming…

Machine Learning · Computer Science 2019-04-05 Yotam Gil , Yoav Chai , Or Gorodissky , Jonathan Berant

Automatic adversarial prompt generation provides remarkable success in jailbreaking safely-aligned large language models (LLMs). Existing gradient-based attacks, while demonstrating outstanding performance in jailbreaking white-box LLMs,…

Machine Learning · Computer Science 2025-01-22 Qizhang Li , Xiaochen Yang , Wangmeng Zuo , Yiwen Guo

The research of adversarial attacks in the text domain attracts many interests in the last few years, and many methods with a high attack success rate have been proposed. However, these attack methods are inefficient as they require lots of…

Computation and Language · Computer Science 2021-10-18 Tengfei Zhao , Zhaocheng Ge , Hanping Hu , Dingmeng Shi

Fine-grained word meaning resolution remains a critical challenge for neural language models (NLMs) as they often overfit to global sentence representations, failing to capture local semantic details. We propose a novel adversarial training…

Computation and Language · Computer Science 2025-11-17 Jader Martins Camboim de Sá , Jooyoung Lee , Cédric Pruski , Marcos Da Silveira

Adversarial purification is a defense mechanism for safeguarding classifiers against adversarial attacks without knowing the type of attacks or training of the classifier. These techniques characterize and eliminate adversarial…

Cryptography and Security · Computer Science 2024-02-13 Raha Moraffah , Shubh Khandelwal , Amrita Bhattacharjee , Huan Liu

Adversarial examples tremendously threaten the availability and integrity of machine learning-based systems. While the feasibility of such attacks has been observed first in the domain of image processing, recent research shows that speech…

Sound · Computer Science 2020-10-15 Tom Dörr , Karla Markert , Nicolas M. Müller , Konstantin Böttinger

Images perturbed subtly to be misclassified by neural networks, called adversarial examples, have emerged as a technically deep challenge and an important concern for several application domains. Most research on adversarial examples takes…

Computer Vision and Pattern Recognition · Computer Science 2019-04-05 Mahmood Sharif , Sruti Bhagavatula , Lujo Bauer , Michael K. Reiter

We introduce CLEAR (Contrasting Textual Feedback with Experts and Amateurs for Reasoning), a novel approach to language model reasoning that leverages the strengths of a larger (expert) model and smaller (amateur) model. The expert and…

Computation and Language · Computer Science 2025-04-11 Andrew Rufail , Daniel Kim , Sean O'Brien , Kevin Zhu