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Power systems face increasing challenges in maintaining resource adequacy due to lower operating margins, rising renewable energy uncertainty, and demand variability. Forecasting the probability distribution of peak demand on shorter…

系统与控制 · 电气工程与系统科学 2025-10-28 Buyi Yu , Wenyuan Tang

Industrial prognostics focuses on utilizing degradation signals to forecast and continually update the residual useful life of complex engineering systems. However, existing prognostic models for systems with multiple failure modes face…

机器学习 · 计算机科学 2025-01-15 Yuqi Su , Xiaolei Fang

Modeling the behavior of stock price data has always been one of the challengeous applications of Artificial Intelligence (AI) and Machine Learning (ML) due to its high complexity and dependence on various conditions. Recent studies show…

应用统计 · 统计学 2025-01-14 Xinyuan Song

In machine learning, classification is usually seen as a function approximation problem, where the goal is to learn a function that maps input features to class labels. In this paper, we propose a novel clustering and classification…

机器学习 · 计算机科学 2025-02-25 Hrushikesh Mhaskar , Ryan O'Dowd , Efstratios Tsoukanis

This paper considers a portfolio trading strategy formulated by algorithms in the field of machine learning. The profitability of the strategy is measured by the algorithm's capability to consistently and accurately identify stock indices…

机器学习 · 统计学 2014-04-08 James Brofos

Advanced metering infrastructure systems record a high volume of residential load data, opening up an opportunity for utilities to understand consumer energy consumption behaviors. Existing studies have focused on load profiling and…

信号处理 · 电气工程与系统科学 2019-07-15 Wen-Jun Tang , Xian-Long Lee , Hao Wang , Hong-Tzer Yang

Power device reliability is a major concern during operation under extreme environments, as doing so reduces the operational lifetime of any power system or sensing infrastructure. Due to a potential for system failure, devices must be…

机器学习 · 计算机科学 2021-07-23 Carlos Olivares , Raziur Rahman , Christopher Stankus , Jade Hampton , Andrew Zedwick , Moinuddin Ahmed

Empirical risk minimization often performs poorly when the distribution of the target domain differs from those of source domains. To address such potential distribution shifts, we develop an unsupervised domain adaptation approach that…

机器学习 · 统计学 2025-03-25 Zhenyu Wang , Peter Bühlmann , Zijian Guo

Time series anomaly detection is instrumental in maintaining system availability in various domains. Current work in this research line mainly focuses on learning data normality deeply and comprehensively by devising advanced neural network…

机器学习 · 计算机科学 2024-04-25 Hongzuo Xu , Yijie Wang , Songlei Jian , Qing Liao , Yongjun Wang , Guansong Pang

Sub-new stock price prediction, forecasting the price trends of stocks listed less than one year, is crucial for effective quantitative trading. While deep learning methods have demonstrated effectiveness in predicting old stock prices,…

计算工程、金融与科学 · 计算机科学 2023-08-23 Linghao Wang , Zhen Liu , Peitian Ma , Qianli Ma

In real-world applications, data do not reflect the ones commonly used for neural networks training, since they are usually few, unlabeled and can be available as a stream. Hence many existing deep learning solutions suffer from a limited…

机器学习 · 计算机科学 2020-11-18 Alessia Bertugli , Stefano Vincenzi , Simone Calderara , Andrea Passerini

Deep learning searches for nonlinear factors for predicting asset returns. Predictability is achieved via multiple layers of composite factors as opposed to additive ones. Viewed in this way, asset pricing studies can be revisited using…

机器学习 · 统计学 2018-04-27 Guanhao Feng , Jingyu He , Nicholas G. Polson

This paper studies a Markov network model for unbalanced data, aiming to solve the problems of classification bias and insufficient minority class recognition ability of traditional machine learning models in environments with uneven class…

机器学习 · 计算机科学 2025-02-06 Junliang Du , Shiyu Dou , Bohuan Yang , Jiacheng Hu , Tai An

Accurate load forecasting is critical for reliable and efficient planning and operation of electric power grids. In this paper, we propose a unifying deep learning framework for load forecasting, which includes time-varying feature…

机器学习 · 计算机科学 2023-05-10 Jing Xiong , Yu Zhang

Domain generalization aims to learn a prediction model on multi-domain source data such that the model can generalize to a target domain with unknown statistics. Most existing approaches have been developed under the assumption that the…

计算机视觉与模式识别 · 计算机科学 2021-09-01 Jin Kim , Jiyoung Lee , Jungin Park , Dongbo Min , Kwanghoon Sohn

Imbalanced datasets are commonplace in modern machine learning problems. The presence of under-represented classes or groups with sensitive attributes results in concerns about generalization and fairness. Such concerns are further…

机器学习 · 计算机科学 2022-01-05 Mingchen Li , Xuechen Zhang , Christos Thrampoulidis , Jiasi Chen , Samet Oymak

Estimating quantiles of an outcome conditional on covariates is of fundamental interest in statistics with broad application in probabilistic prediction and forecasting. We propose an ensemble method for conditional quantile estimation,…

统计方法学 · 统计学 2023-10-31 Herbert Susmann , Antoine Chambaz

Railway points are among the key components of railway infrastructure. As a part of signal equipment, points control the routes of trains at railway junctions, having a significant impact on the reliability, capacity, and punctuality of…

机器学习 · 计算机科学 2019-07-03 Zhibin Li , Jian Zhang , Qiang Wu , Yongshun Gong , Jinfeng Yi , Christina Kirsch

Neural-network based predictions of event properties in astro-particle physics are getting more and more common. However, in many cases the result is just utilized as a point prediction. Statistical uncertainties, coverage, systematic…

机器学习 · 计算机科学 2024-03-14 Thorsten Glüsenkamp

Weakly supervised video anomaly detection (WSVAD) is a challenging task since only video-level labels are available for training. In previous studies, the discriminative power of the learned features is not strong enough, and the data…

计算机视觉与模式识别 · 计算机科学 2022-12-19 Congqi Cao , Xin Zhang , Shizhou Zhang , Peng Wang , Yanning Zhang