中文
相关论文

相关论文: Experimenting with an Evaluation Framework for Imb…

200 篇论文

Machine learning models are trained to minimize the mean loss for a single metric, and thus typically do not consider fairness and robustness. Neglecting such metrics in training can make these models prone to fairness violations when…

机器学习 · 计算机科学 2022-07-21 Bobby Yan , Skyler Seto , Nicholas Apostoloff

We encounter variables with little variation often in educational data mining (EDM) due to the demographics of higher education and the questions we ask. Yet, little work has examined how to analyze such data. Therefore, we conducted a…

统计方法学 · 统计学 2022-01-12 Nicholas T. Young , Marcos D. Caballero

The prevalence of machine learning in biomedical research is rapidly growing, yet the trustworthiness of such research is often overlooked. While some previous works have investigated the ability of adversarial attacks to degrade model…

机器学习 · 统计学 2023-08-21 Matthew Rosenblatt , Javid Dadashkarimi , Dustin Scheinost

Collaborative filtering based recommendation learns users' preferences from all users' historical behavior data, and has been popular to facilitate decision making. R Recently, the fairness issue of recommendation has become more and more…

信息检索 · 计算机科学 2023-02-22 Lei Chen , Le Wu , Kun Zhang , Richang Hong , Defu Lian , Zhiqiang Zhang , Jun Zhou , Meng Wang

Poor data quality limits the advantageous power of Machine Learning (ML) and weakens high-performing ML software systems. Nowadays, data are more prone to the risk of poor quality due to their increasing volume and complexity. Therefore,…

机器学习 · 计算机科学 2025-02-20 Manal Rahal , Bestoun S. Ahmed , Gergely Szabados , Torgny Fornstedt , Jorgen Samuelsson

This paper discusses and evaluates ideas of data balancing and data augmentation in the context of mathematical objects: an important topic for both the symbolic computation and satisfiability checking communities, when they are making use…

符号计算 · 计算机科学 2023-08-21 Tereso del Rio , Matthew England

Machine learning offers potential solutions to current issues in industrial systems in areas such as quality control and predictive maintenance, but also faces unique barriers in industrial applications. An ongoing challenge is extreme…

机器学习 · 计算机科学 2026-01-15 Lesley Wheat , Martin v. Mohrenschildt , Saeid Habibi

Machine learning has automated much of financial fraud detection, notifying firms of, or even blocking, questionable transactions instantly. However, data imbalance starves traditionally trained models of the content necessary to detect…

机器学习 · 计算机科学 2019-09-06 Samuel Showalter , Zhixin Wu

Class imbalance, which is also called long-tailed distribution, is a common problem in classification tasks based on machine learning. If it happens, the minority data will be overwhelmed by the majority, which presents quite a challenge…

机器学习 · 计算机科学 2023-03-29 Jia-Chen Zhao

As Large Language Models (LLMs) are pre-trained on ultra-large-scale corpora, the problem of data contamination is becoming increasingly serious, and there is a risk that static evaluation benchmarks overestimate the performance of LLMs. To…

计算与语言 · 计算机科学 2025-08-13 Yang Fan

Meta-Learning (ML) has proven to be a useful tool for training Few-Shot Learning (FSL) algorithms by exposure to batches of tasks sampled from a meta-dataset. However, the standard training procedure overlooks the dynamic nature of the…

机器学习 · 计算机科学 2021-04-13 Mateusz Ochal , Massimiliano Patacchiola , Amos Storkey , Jose Vazquez , Sen Wang

Data augmentation has become a standard practice in software engineering to address limited or imbalanced data sets, particularly in specialized domains like test classification and bug detection where data can be scarce. Although…

软件工程 · 计算机科学 2025-02-05 Riddhi More , Jeremy S. Bradbury

Imbalanced data poses a significant challenge in classification as model performance is affected by insufficient learning from minority classes. Balancing methods are often used to address this problem. However, such techniques can lead to…

机器学习 · 计算机科学 2024-06-18 Adrian Stando , Mustafa Cavus , Przemysław Biecek

Semi-supervised learning (SSL) has shown great promise in leveraging unlabeled data to improve model performance. While standard SSL assumes uniform data distribution, we consider a more realistic and challenging setting called imbalanced…

计算机视觉与模式识别 · 计算机科学 2024-01-19 Hao Chen , Yue Fan , Yidong Wang , Jindong Wang , Bernt Schiele , Xing Xie , Marios Savvides , Bhiksha Raj

We ascertain and compare the performances of AutoML tools on large, highly imbalanced healthcare datasets. We generated a large dataset using historical administrative claims including demographic information and flags for disease codes in…

Confidence estimation is crucial for reflecting the reliability of large language models (LLMs), particularly in the widely used closed-source models. Utilizing data augmentation for confidence estimation is viable, but discussions focus on…

机器学习 · 计算机科学 2025-06-16 Rui Wang , Renyu Zhu , Minmin Lin , Runze Wu , Tangjie Lv , Changjie Fan , Haobo Wang

Supervised fine-tuning (SFT) is crucial for adapting Large Language Models (LLMs) to specific tasks. In this work, we demonstrate that the order of training data can lead to significant training imbalances, potentially resulting in…

计算与语言 · 计算机科学 2024-10-08 Yiming Ju , Ziyi Ni , Xingrun Xing , Zhixiong Zeng , hanyu Zhao , Siqi Fan , Zheng Zhang

Few-Shot Learning (FSL) algorithms are commonly trained through Meta-Learning (ML), which exposes models to batches of tasks sampled from a meta-dataset to mimic tasks seen during evaluation. However, the standard training procedures…

机器学习 · 计算机科学 2024-10-28 Mateusz Ochal , Massimiliano Patacchiola , Amos Storkey , Jose Vazquez , Sen Wang

Missing data are inevitable in longitudinal studies. Traditional methods, such as the full information maximum likelihood (FIML), are commonly used to handle ignorable missing data. However, they may lead to biased model estimation due to…

应用统计 · 统计学 2024-01-01 Dandan Tang , Xin Tong

Machine learning (ML) offers a promising solution to pathloss prediction. However, its effectiveness can be degraded by the limited availability of data. To alleviate these challenges, this paper introduces a novel simulation-enhanced data…