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We study fairness in the context of classification where the performance is measured by the area under the curve (AUC) of the receiver operating characteristic. AUC is commonly used to measure the performance of prediction models. The same…

机器学习 · 计算机科学 2022-08-25 Hortense Fong , Vineet Kumar , Anay Mehrotra , Nisheeth K. Vishnoi

The area under the ROC curve (AUROC) has been vigorously applied for imbalanced classification and moreover combined with deep learning techniques. However, there is no existing work that provides sound information for peers to choose…

机器学习 · 计算机科学 2022-07-06 Dixian Zhu , Xiaodong Wu , Tianbao Yang

Semi-supervised learning (SSL) addresses the critical challenge of training accurate models when labeled data is scarce but unlabeled data is abundant. Graph-based SSL (GSSL) has emerged as a popular framework that captures data structure…

机器学习 · 统计学 2026-02-10 Nadav Katz , Ariel Jaffe

AUC is a common metric for evaluating the performance of a classifier. However, most classifiers are trained with cross entropy, and it does not optimize the AUC metric directly, which leaves a gap between the training and evaluation stage.…

机器学习 · 计算机科学 2023-04-20 Xiao Sun , Bo Zhang , Chenrui Zhang , Han Ren , Mingchen Cai

Deep Convolutional Neural Networks (DCNN) has shown excellent performance in a variety of machine learning tasks. This manuscript presents Deep Convolutional Neural Fields (DeepCNF), a combination of DCNN with Conditional Random Field…

机器学习 · 统计学 2015-11-23 Sheng Wang , Siqi Sun , Jinbo Xu

The problem of active diagnosis arises in several applications such as disease diagnosis, and fault diagnosis in computer networks, where the goal is to rapidly identify the binary states of a set of objects (e.g., faulty or working) by…

机器学习 · 计算机科学 2012-02-20 Gowtham Bellala , Jason Stanley , Clayton Scott , Suresh K. Bhavnani

A lot of effort is currently invested in safeguarding autonomous driving systems, which heavily rely on deep neural networks for computer vision. We investigate the coupling of different neural network calibration measures with a special…

计算机视觉与模式识别 · 计算机科学 2024-07-22 Dominik Werner Wolf , Prasannavenkatesh Balaji , Alexander Braun , Markus Ulrich

When determining which machine learning model best performs some high impact risk assessment task, practitioners commonly use the Area under the Curve (AUC) to defend and validate their model choices. In this paper, we argue that the…

计算机与社会 · 计算机科学 2023-05-30 Kweku Kwegyir-Aggrey , Marissa Gerchick , Malika Mohan , Aaron Horowitz , Suresh Venkatasubramanian

As a variant of the Area Under the ROC Curve (AUC), the partial AUC (PAUC) focuses on a specific range of false positive rate (FPR) and/or true positive rate (TPR) in the ROC curve. It is a pivotal evaluation metric in real-world scenarios…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Yangbangyan Jiang , Qianqian Xu , Huiyang Shao , Zhiyong Yang , Shilong Bao , Xiaochun Cao , Qingming Huang

A scoring system is a linear classifier composed of a small number of explanatory variables, each assigned a small integer coefficient. This system is highly interpretable and allows predictions to be made with simple manual calculations…

机器学习 · 计算机科学 2026-01-14 Moe Shiina , Shunnosuke Ikeda , Yuichi Takano

Area Under the Curve (AUC) is arguably the most popular measure of classification accuracy. We use a semiparametric framework to introduce a latent scale-invariant $R^2$, a novel measure of variation explained for an observed binary outcome…

统计方法学 · 统计学 2019-11-01 Debangan Dey , Vadim Zipunnikov

Decision tree optimization is notoriously difficult from a computational perspective but essential for the field of interpretable machine learning. Despite efforts over the past 40 years, only recently have optimization breakthroughs been…

机器学习 · 计算机科学 2022-11-24 Jimmy Lin , Chudi Zhong , Diane Hu , Cynthia Rudin , Margo Seltzer

The area under the ROC curve (AUC) is the standard measure of a biomarker's discriminatory accuracy; however, naive AUC estimates can be misleading when validation cohorts differ from the intended target population. Such covariate shifts…

统计方法学 · 统计学 2025-11-20 Jiajun Liu , Guangcai Mao , Xiaofei Wang

In machine learning contests such as the ImageNet Large Scale Visual Recognition Challenge and the KDD Cup, contestants can submit candidate solutions and receive from an oracle (typically the organizers of the competition) the accuracy of…

机器学习 · 计算机科学 2015-11-16 Jacob Whitehill

We propose a stochastic variance reduced optimization algorithm for solving sparse learning problems with cardinality constraints. Sufficient conditions are provided, under which the proposed algorithm enjoys strong linear convergence…

机器学习 · 计算机科学 2017-12-27 Xingguo Li , Raman Arora , Han Liu , Jarvis Haupt , Tuo Zhao

Quantifying uncertainty is crucial for robust and reliable predictions. However, existing spatiotemporal deep learning mostly focuses on deterministic prediction, overlooking the inherent uncertainty in such prediction. Particularly,…

机器学习 · 计算机科学 2024-09-16 Dingyi Zhuang , Yuheng Bu , Guang Wang , Shenhao Wang , Jinhua Zhao

Optimization metrics are crucial for building recommendation systems at scale. However, an effective and efficient metric for practical use remains elusive. While Top-K ranking metrics are the gold standard for optimization, they suffer…

信息检索 · 计算机科学 2024-03-05 Wentao Shi , Chenxu Wang , Fuli Feng , Yang Zhang , Wenjie Wang , Junkang Wu , Xiangnan He

Stochastic optimization of the Area Under the Precision-Recall Curve (AUPRC) is a crucial problem for machine learning. Although various algorithms have been extensively studied for AUPRC optimization, the generalization is only guaranteed…

机器学习 · 计算机科学 2022-09-28 Peisong Wen , Qianqian Xu , Zhiyong Yang , Yuan He , Qingming Huang

The amount of data in our society has been exploding in the era of big data today. In this paper, we address several open challenges of big data stream classification, including high volume, high velocity, high dimensionality, high…

机器学习 · 计算机科学 2015-07-28 Dayong Wang , Pengcheng Wu , Peilin Zhao , Steven C. H. Hoi

Recent work on privacy-preserving machine learning has considered how data-mining competitions such as Kaggle could potentially be "hacked", either intentionally or inadvertently, by using information from an oracle that reports a…

机器学习 · 计算机科学 2017-09-12 Jacob Whitehill