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相关论文: Handling Uncertainty in Health Data using Generati…

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Imbalanced data are commonly present in real-world applications. While data synthesis can effectively mitigate data scarcity for rare classes, and LLMs have revolutionized text generation, the application of LLMs to the synthesis of…

Many important data analysis applications present with severely imbalanced datasets with respect to the target variable. A typical example is medical image analysis, where positive samples are scarce, while performance is commonly estimated…

机器学习 · 计算机科学 2018-11-05 Nazly Rocio Santos Buitrago , Loek Tonnaer , Vlado Menkovski , Dimitrios Mavroeidis

Data imbalance between common and rare diseases during model training often causes intelligent diagnosis systems to have biased predictions towards common diseases. The state-of-the-art approaches apply a two-stage learning framework to…

计算机视觉与模式识别 · 计算机科学 2022-07-15 Chenghua Zeng , Huijuan Lu , Kanghao Chen , Ruixuan Wang , Wei-Shi Zheng

Multilingual Retrieval-Augmented Generation (mRAG) leverages cross-lingual evidence to ground Large Language Models (LLMs) in global knowledge. However, we show that current mRAG systems suffer from a language bias during reranking,…

计算与语言 · 计算机科学 2026-04-23 Dan Wang , Guozhao Mo , Yafei Shi , Cheng Zhang , Bo Zheng , Boxi Cao , Xuanang Chen , Yaojie Lu , Hongyu Lin , Ben He , Xianpei Han , Le Sun

Diabetes is a worldwide health issue affecting millions of people. Machine learning methods have shown promising results in improving diabetes prediction, particularly through the analysis of diverse data types, namely gene expression data.…

机器学习 · 计算机科学 2024-04-24 Rita T. Sousa , Heiko Paulheim

Numerous studies attempt to mitigate classification bias caused by class imbalance. However, existing studies have yet to explore the collaborative optimization of imbalanced learning and model training. This constraint hinders further…

机器学习 · 计算机科学 2025-12-30 Chuantao Li , Zhi Li , Jiahao Xu , Jie Li , Sheng Li

The prediction of glass forming ability (GFA) and various properties in bulk metallic glasses (BMGs) pose a challenge due to the unique disordered atomic structure in this type of materials. Machine learning shows the potential ability to…

材料科学 · 物理学 2024-03-22 Xuhe Gong , Jiazi Bi , Xiaobin Liu , Ran Li , Ruijuan Xiao , Tao Zhang , Hong Li

Although many real-world applications, such as disease prediction, and fault detection suffer from class imbalance, most existing graph-based classification methods ignore the skewness of the distribution of classes; therefore, tend to be…

机器学习 · 计算机科学 2024-07-01 Mahdi Mohammadizadeh , Arash Mozhdehi , Yani Ioannou , Xin Wang

Clinical dataset labels are rarely certain as annotators disagree and confidence is not uniform across cases. Typical aggregation procedures, such as majority voting, obscure this variability. In simple experiments on medical imaging…

An enormous and ever-growing volume of data is nowadays becoming available in a sequential fashion in various real-world applications. Learning in nonstationary environments constitutes a major challenge, and this problem becomes orders of…

机器学习 · 计算机科学 2020-09-28 Kleanthis Malialis , Christos G. Panayiotou , Marios M. Polycarpou

Uncertainty is a key feature of any machine learning model and is particularly important in neural networks, which tend to be overconfident. This overconfidence is worrying under distribution shifts, where the model performance silently…

机器学习 · 计算机科学 2024-03-18 Arthur Thuy , Dries F. Benoit

Artificial Intelligence (AI) is making a major impact on healthcare, particularly through its application in natural language processing (NLP) and predictive analytics. The healthcare sector has increasingly adopted AI for tasks such as…

数据库 · 计算机科学 2025-06-02 Karan Hanswadkar , Anika Kanchi , Shivani Tripathi , Shi Qiao , Rony Chatterjee , Alekh Jindal

The long-standing challenge of building effective classification models for small and imbalanced datasets has seen little improvement since the creation of the Synthetic Minority Over-sampling Technique (SMOTE) over 20 years ago. Though GAN…

机器学习 · 计算机科学 2022-11-21 Leon O. Guertler , Andri Ashfahani , Anh Tuan Luu

Deep learning has emerged as a prominent field in recent literature, showcasing the introduction of models that utilize transfer learning to achieve remarkable accuracies in the classification of brain tumor MRI images. However, the…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Raza Imam , Mohammed Talha Alam

Graph neural networks (GNNs) have shown promise in addressing graph-related problems, including node classification. However, conventional GNNs assume an even distribution of data across classes, which is often not the case in real-world…

机器学习 · 计算机科学 2023-10-16 Zirui Liang , Yuntao Li , Tianjin Huang , Akrati Saxena , Yulong Pei , Mykola Pechenizkiy

This review introduces the transformative potential of generative Artificial Intelligence (AI) and foundation models, including large language models (LLMs), for health technology assessment (HTA). We explore their applications in four…

机器学习 · 计算机科学 2024-09-24 Rachael Fleurence , Jiang Bian , Xiaoyan Wang , Hua Xu , Dalia Dawoud , Mitch Higashi , Jagpreet Chhatwal

Deep learning algorithms, often critiqued for their 'black box' nature, traditionally fall short in providing the necessary transparency for trusted clinical use. This challenge is particularly evident when such models are deployed in local…

计算机视觉与模式识别 · 计算机科学 2024-04-12 Nadieh Khalili , Joey Spronck , Francesco Ciompi , Jeroen van der Laak , Geert Litjens

Imbalanced classification on graphs is ubiquitous yet challenging in many real-world applications, such as fraudulent node detection. Recently, graph neural networks (GNNs) have shown promising performance on many network analysis tasks.…

机器学习 · 计算机科学 2021-06-08 Liang Qu , Huaisheng Zhu , Ruiqi Zheng , Yuhui Shi , Hongzhi Yin

Class imbalance remains a major challenge in machine learning, especially in multi-class problems with long-tailed distributions. Existing methods, such as data resampling, cost-sensitive techniques, and logistic loss modifications, though…

机器学习 · 计算机科学 2025-12-30 Corinna Cortes , Anqi Mao , Mehryar Mohri , Yutao Zhong

The adoption of diagnosis and prognostic algorithms in healthcare has led to concerns about the perpetuation of bias against disadvantaged groups of individuals. Deep learning methods to detect and mitigate bias have revolved around…

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