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In the real world, data tends to follow long-tailed distributions w.r.t. class or attribution, motivating the challenging Long-Tailed Recognition (LTR) problem. In this paper, we revisit recent LTR methods with promising Vision Transformers…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Zhengzhuo Xu , Shuo Yang , Xingjun Wang , Chun Yuan

Motivated by problems arising in digital advertising, we introduce the task of training differentially private (DP) machine learning models with semi-sensitive features. In this setting, a subset of the features is known to the attacker…

Training reliable deep learning models which avoid making overconfident but incorrect predictions is a longstanding challenge. This challenge is further exacerbated when learning has to be differentially private: protection provided to…

机器学习 · 计算机科学 2023-05-31 Stephan Rabanser , Anvith Thudi , Abhradeep Thakurta , Krishnamurthy Dvijotham , Nicolas Papernot

Recent work has shown that it is possible to train deep neural networks that are provably robust to norm-bounded adversarial perturbations. Most of these methods are based on minimizing an upper bound on the worst-case loss over all…

Label-scarce, high-dimensional domains such as healthcare present a challenge for modern machine learning techniques. To overcome the difficulties posed by a lack of labeled data, we explore an "order-contrastive" method for self-supervised…

机器学习 · 计算机科学 2022-03-30 Monica Agrawal , Hunter Lang , Michael Offin , Lior Gazit , David Sontag

The recent success of machine learning models, especially large-scale classifiers and language models, relies heavily on training with massive data. These data are often collected from online sources. This raises serious concerns about the…

人工智能 · 计算机科学 2025-11-12 Ruihan Zhang , Jun Sun , Ee-Peng Lim , Peixin Zhang

Data errors, corruptions, and poisoning attacks during training pose a major threat to the reliability of modern AI systems. While extensive effort has gone into empirical mitigations, the evolving nature of attacks and the complexity of…

机器学习 · 计算机科学 2025-10-28 Tobias Lorenz , Marta Kwiatkowska , Mario Fritz

Most large language models are fine-tuned using either expensive human-annotated data or GPT-4 generated data which cannot guarantee performance in certain domains. We argue that although the web-crawled data often has formatting errors…

计算与语言 · 计算机科学 2024-08-16 Jing Zhou , Chenglin Jiang , Wei Shen , Xiao Zhou , Xiaonan He

The GPT-4 technical report suggests that downstream performance can be predicted from pre-training signals, but offers little methodological detail on how to quantify this. This work address this gap by modeling knowledge retention, the…

Deep learning methods have advanced quickly in brain imaging analysis over the past few years, but they are usually restricted by the limited labeled data. Pre-trained model on unlabeled data has presented promising improvement in feature…

神经元与认知 · 定量生物学 2024-08-22 Jinlong Hu , Yangmin Huang , Nan Wang , Shoubin Dong

Diffusion Models (DMs) benefit from large and diverse datasets for their training. Since this data is often scraped from the Internet without permission from the data owners, this raises concerns about copyright and intellectual property…

机器学习 · 计算机科学 2025-06-24 Jan Dubiński , Antoni Kowalczuk , Franziska Boenisch , Adam Dziedzic

Computer-aided diagnosis systems must make critical decisions from medical images that are often noisy, ambiguous, or conflicting, yet today's models are trained on overly simplistic labels that ignore diagnostic uncertainty. One-hot labels…

计算机视觉与模式识别 · 计算机科学 2025-09-16 Ang Nan Gu , Michael Tsang , Hooman Vaseli , Purang Abolmaesumi , Teresa Tsang

It is desirable to transfer the knowledge stored in a well-trained source model onto non-annotated target domain in the absence of source data. However, state-of-the-art methods for source free domain adaptation (SFDA) are subject to strict…

计算机视觉与模式识别 · 计算机科学 2021-06-24 Xin Luo , Wei Chen , Yusong Tan , Chen Li , Yulin He , Xiaogang Jia

It is well known that for some tasks, labeled data sets may be hard to gather. Therefore, we wished to tackle here the problem of having insufficient training data. We examined learning methods from unlabeled data after an initial training…

机器学习 · 计算机科学 2018-04-06 Gal Hyams , Daniel Greenfeld , Dor Bank

Selecting high-quality data can improve the pretraining efficiency of large language models (LLMs). Existing methods generally rely on heuristic techniques or single quality signals, limiting their ability to evaluate data quality…

计算与语言 · 计算机科学 2025-05-23 Liangyu Xu , Xuemiao Zhang , Feiyu Duan , Sirui Wang , Rongxiang Weng , Jingang Wang , Xunliang Cai

This paper introduces a method of identifying a maximal set of safe strategies from data for stochastic systems with unknown dynamics using barrier certificates. The first step is learning the dynamics of the system via Gaussian process…

The hallucination and credibility concerns of large language models (LLMs) are global challenges that the industry is collectively addressing. Recently, a significant amount of advances have been made on post-training and inference…

Conformal prediction (CP) is a general framework to quantify the predictive uncertainty of machine learning models that uses a set prediction to include the true label with a valid probability. To align the uncertainty measured by CP,…

机器学习 · 计算机科学 2025-11-25 Xuesong Jia , Yuanjie Shi , Ziquan Liu , Yi Xu , Yan Yan

Trustworthy AI is crucial to the widespread adoption of AI in high-stakes applications with fairness, robustness, and accuracy being some of the key trustworthiness metrics. In this work, we propose a controllable framework for data-centric…

机器学习 · 计算机科学 2024-03-11 Soumi Das , Shubhadip Nag , Shreyyash Sharma , Suparna Bhattacharya , Sourangshu Bhattacharya

In the era of big data, there is an increasing need for healthcare providers, communities, and researchers to share data and collaborate to improve health outcomes, generate valuable insights, and advance research. The Health Insurance…

密码学与安全 · 计算机科学 2023-05-23 Kai Zhang , Xiaoqian Jiang
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