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相关论文: Handling Concept Drift in Global Time Series Forec…

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The change in data distribution over time, also known as concept drift, poses a significant challenge to the reliability of online learning methods. Existing methods typically require model retraining or drift detection, both of which…

机器学习 · 计算机科学 2025-06-11 Songqiao Hu , Zeyi Liu , Xiao He

Motion forecasting is crucial in enabling autonomous vehicles to anticipate the future trajectories of surrounding agents. To do so, it requires solving mapping, detection, tracking, and then forecasting problems, in a multi-step pipeline.…

机器人学 · 计算机科学 2024-03-06 Yihong Xu , Loïck Chambon , Éloi Zablocki , Mickaël Chen , Alexandre Alahi , Matthieu Cord , Patrick Pérez

Sophisticated machine learning (ML) models to inform trading in the financial sector create problems of interpretability and risk management. Seemingly robust forecasting models may behave erroneously in out of distribution settings. In…

机器学习 · 计算机科学 2021-10-01 Gabriel Deza , Adelin Travers , Colin Rowat , Nicolas Papernot

Accurate forecasts of photovoltaic power generation (PVPG) are essential to optimize operations between energy supply and demand. Recently, the propagation of sensors and smart meters has produced an enormous volume of data, which supports…

机器学习 · 计算机科学 2022-06-14 Xing Luo , Dongxiao Zhang

Data-driven weather prediction models implicitly assume that the statistical relationship between predictors and targets is stationary. Under anthropogenic climate change, this assumption is violated, yet the structure of the resulting…

大气与海洋物理 · 物理学 2025-11-26 Haokun Zhou

With the wide application of machine learning algorithms to the real world, class imbalance and concept drift have become crucial learning issues. Class imbalance happens when the data categories are not equally represented, i.e., at least…

机器学习 · 计算机科学 2017-08-01 Shuo Wang , Leandro L. Minku , Nitesh Chawla , Xin Yao

Non-stationarity of an underlying data generating process that leads to distributional changes over time is a key characteristic of Data Streams. This phenomenon, commonly referred to as Concept Drift, has been intensively studied, and…

机器学习 · 计算机科学 2026-02-09 Brandon Gower-Winter , Misja Groen , Georg Krempl

Short-term load forecasting for AI data centers presents new challenges because it is computing-driven, with heterogeneous job arrivals, sizes, and durations exhibiting bursty, non-stationary dynamics. Compared with traditional load types,…

系统与控制 · 电气工程与系统科学 2026-05-01 Ziying Wang , Ying Zhang , Lei Wang , Yuzhang Lin

Recent studies in federated learning (FL) commonly train models on static datasets. However, real-world data often arrives as streams with shifting distributions, causing performance degradation known as concept drift. This paper analyzes…

机器学习 · 计算机科学 2025-06-27 Fu Peng , Meng Zhang , Ming Tang

The ability to detect and adapt to changes in data distributions is crucial to maintain the accuracy and reliability of machine learning models. Detection is generally approached by observing the drift of model performance from a global…

机器学习 · 计算机科学 2025-05-22 Flavio Giobergia , Eliana Pastor , Luca de Alfaro , Elena Baralis

Machine learning models are being increasingly used to automate decisions in almost every domain, and ensuring the performance of these models is crucial for ensuring high quality machine learning enabled services. Ensuring concept drift is…

机器学习 · 统计学 2025-09-30 Nelvin Tan , Yu-Ching Shih , Dong Yang , Amol Salunkhe

Recent advances in diffusion models have significantly enhanced image generation capabilities. However, customizing these models with new classes often leads to unintended consequences that compromise their reliability. We introduce the…

计算机视觉与模式识别 · 计算机科学 2025-02-06 Héctor Laria , Alex Gomez-Villa , Kai Wang , Bogdan Raducanu , Joost van de Weijer

Time series forecasting is a critical task across domains such as energy, finance, and meteorology, where accurate predictions enable informed decision-making. While transformer-based and large-parameter models have recently achieved…

机器学习 · 计算机科学 2026-02-11 Julien Guité-Vinet , Alexandre Blondin Massé , Éric Beaudry

Recent transfer learning (TL) approaches in industrial intelligent fault diagnosis (FD) mostly follow the "pre-train and fine-tuning" paradigm to address data drift, which emerges from variable working conditions. However, we find that this…

机器学习 · 计算机科学 2023-10-10 Chen Jiao , Mao Fengjian , Lv Zuohong , Tang Jianhua

Climate models struggle to accurately simulate precipitation, particularly extremes and the diurnal cycle. Here, we present a hybrid model that is trained directly on satellite-based precipitation observations. Our model runs at 2.8$^\circ$…

大气与海洋物理 · 物理学 2024-12-17 Janni Yuval , Ian Langmore , Dmitrii Kochkov , Stephan Hoyer

Traditional machine learning assumes a stationary data distribution, yet many real-world applications operate on nonstationary streams in which the underlying concept evolves over time. This problem can also be viewed as task-free continual…

机器学习 · 计算机科学 2026-03-17 Michal Wozniak , Marek Klonowski , Maciej Maczynski , Bartosz Krawczyk

Federated Learning (FL) under distributed concept drift is a largely unexplored area. Although concept drift is itself a well-studied phenomenon, it poses particular challenges for FL, because drifts arise staggered in time and space…

机器学习 · 计算机科学 2023-03-01 Ellango Jothimurugesan , Kevin Hsieh , Jianyu Wang , Gauri Joshi , Phillip B. Gibbons

Modern analytical systems must be ready to process streaming data and correctly respond to data distribution changes. The phenomenon of changes in data distributions is called concept drift, and it may harm the quality of the used models.…

机器学习 · 计算机科学 2021-10-26 Jędrzej Kozal , Filip Guzy , Michał Woźniak

Financial markets of emerging economies are vulnerable to extreme and cascading information spillovers, surges, sudden stops and reversals. With this in mind, we develop a new online early warning system (EWS) to detect what is referred to…

计量经济学 · 经济学 2025-05-21 Artem Kraevskiy , Artem Prokhorov , Evgeniy Sokolovskiy

Conventional hurricane track generation methods typically depend on biased outputs from Global Climate Models (GCMs), which undermines their accuracy in the context of climate change. We present a novel dynamic bias correction framework…

大气与海洋物理 · 物理学 2025-05-05 Reda Snaiki , Teng Wu