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Multi-label text classification refers to the problem of assigning each given document its most relevant labels from the label set. Commonly, the metadata of the given documents and the hierarchy of the labels are available in real-world…

计算与语言 · 计算机科学 2023-10-24 Yu Zhang , Zhihong Shen , Yuxiao Dong , Kuansan Wang , Jiawei Han

The goal in label-imbalanced and group-sensitive classification is to optimize relevant metrics such as balanced error and equal opportunity. Classical methods, such as weighted cross-entropy, fail when training deep nets to the terminal…

机器学习 · 计算机科学 2021-11-09 Ganesh Ramachandra Kini , Orestis Paraskevas , Samet Oymak , Christos Thrampoulidis

Test-time adaptation (TTA) effectively counters distribution shifts but exposes models to adversarial manipulation via the unlabeled test stream. Existing class-wise targeted attacks remain impractical for stealthy exploitation in this…

机器学习 · 计算机科学 2026-05-25 Phuc Duc Nguyen , Quang Duc Nguyen

The burgeoning success of deep learning has raised the security and privacy concerns as more and more tasks are accompanied with sensitive data. Adversarial attacks in deep learning have emerged as one of the dominating security threat to a…

机器学习 · 计算机科学 2019-01-01 Wenqi Wei , Ling Liu , Margaret Loper , Stacey Truex , Lei Yu , Mehmet Emre Gursoy , Yanzhao Wu

Deep neural network models have demonstrated their effectiveness in classifying multi-label data from various domains. Typically, they employ a training mode that combines mini-batches with optimizers, where each sample is randomly selected…

机器学习 · 计算机科学 2024-03-28 Ao Zhou , Bin Liu , Jin Wang , Grigorios Tsoumakas

Semantic overlap among land-cover categories, highly imbalanced label distributions, and complex inter-class co-occurrence patterns constitute significant challenges for multi-label remote-sensing image retrieval. In this article,…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Amna Amir , Erchan Aptoula

Extreme multi-label classification (XMC) is a popular framework for solving many real-world problems that require accurate prediction from a very large number of potential output choices. A popular approach for dealing with the large label…

机器学习 · 计算机科学 2023-01-11 Nilesh Gupta , Patrick H. Chen , Hsiang-Fu Yu , Cho-Jui Hsieh , Inderjit S Dhillon

In this paper, we study adversarial training on datasets that obey the long-tailed distribution, which is practical but rarely explored in previous works. Compared with conventional adversarial training on balanced datasets, this process…

机器学习 · 计算机科学 2023-12-05 Guanlin Li , Guowen Xu , Tianwei Zhang

Machine Learning systems are vulnerable to adversarial attacks and will highly likely produce incorrect outputs under these attacks. There are white-box and black-box attacks regarding to adversary's access level to the victim learning…

机器学习 · 计算机科学 2019-10-23 Saeid Samizade , Zheng-Hua Tan , Chao Shen , Xiaohong Guan

The volume of machine-generated content online has grown dramatically due to the widespread use of Large Language Models (LLMs), leading to new challenges for content moderation systems. Conventional content moderation classifiers, which…

计算与语言 · 计算机科学 2026-05-26 Shaz Furniturewala , Arkaitz Zubiaga

Machine learning models are prone to adversarial attacks, where inputs can be manipulated in order to cause misclassifications. While previous research has focused on techniques like Generative Adversarial Networks (GANs), there's limited…

密码学与安全 · 计算机科学 2024-11-08 Langalibalele Lunga , Suhas Sreehari

Despite their performance, Artificial Neural Networks are not reliable enough for most of industrial applications. They are sensitive to noises, rotations, blurs and adversarial examples. There is a need to build defenses that protect…

机器学习 · 计算机科学 2020-08-20 Alfred Laugros , Alice Caplier , Matthieu Ospici

Deep Neural Networks are vulnerable to adversarial attacks. Among many defense strategies, adversarial training with untargeted attacks is one of the most effective methods. Theoretically, adversarial perturbation in untargeted attacks can…

计算机视觉与模式识别 · 计算机科学 2022-12-01 Pengyue Hou , Jie Han , Xingyu Li

Research on adversarial attacks are becoming widely popular in the recent years. One of the unexplored areas where prior research is lacking is the effect of adversarial attacks on code-mixed data. Therefore, in the present work, we have…

计算与语言 · 计算机科学 2021-11-02 Sourya Dipta Das , Ayan Basak , Soumil Mandal , Dipankar Das

This work examines the vulnerability of multimodal (image + text) models to adversarial threats similar to those discussed in previous literature on unimodal (image- or text-only) models. We introduce realistic assumptions of partial model…

计算机视觉与模式识别 · 计算机科学 2021-06-10 Ivan Evtimov , Russel Howes , Brian Dolhansky , Hamed Firooz , Cristian Canton Ferrer

We design blackbox transfer-based targeted adversarial attacks for an environment where the attacker's source model and the target blackbox model may have disjoint label spaces and training datasets. This scenario significantly differs from…

机器学习 · 计算机科学 2021-03-19 Nathan Inkawhich , Kevin J Liang , Jingyang Zhang , Huanrui Yang , Hai Li , Yiran Chen

Current adversarial attack algorithms, where an adversary changes a text to fool a victim model, have been repeatedly shown to be effective against text classifiers. These attacks, however, generally assume that the victim model is…

计算与语言 · 计算机科学 2024-01-17 Tom Roth , Inigo Jauregi Unanue , Alsharif Abuadbba , Massimo Piccardi

Multimodal large language models (MLLMs) integrate information from multiple modalities such as text, images, audio, and video, enabling complex capabilities such as visual question answering and audio translation. While powerful, this…

密码学与安全 · 计算机科学 2026-03-31 Bhavuk Jain , Sercan Ö. Arık , Hardeo K. Thakur

Extreme multi-label classification aims to learn a classifier that annotates an instance with a relevant subset of labels from an extremely large label set. Many existing solutions embed the label matrix to a low-dimensional linear…

机器学习 · 计算机科学 2018-11-06 Yuefeng Liang , Cho-Jui Hsieh , Thomas C. M. Lee

Multi-label classification (MLC) refers to the problem of tagging a given instance with a set of relevant labels. Most existing MLC methods are based on the assumption that the correlation of two labels in each label pair is symmetric,…

机器学习 · 计算机科学 2024-10-04 Xingyu Zhao , Yuexuan An , Lei Qi , Xin Geng
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