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相关论文: Detecting Concept Drift in Neural Networks Using C…

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We introduce Class Distribution Monitoring (CDM), an effective concept-drift detection scheme that monitors the class-conditional distributions of a datastream. In particular, our solution leverages multiple instances of an online and…

机器学习 · 计算机科学 2022-10-18 Diego Stucchi , Luca Frittoli , Giacomo Boracchi

Detecting drift in performance of Machine Learning (ML) models is an acknowledged challenge. For ML models to become an integral part of business applications it is essential to detect when an ML model drifts away from acceptable operation.…

机器学习 · 计算机科学 2021-08-12 Samuel Ackerman , Parijat Dube , Eitan Farchi , Orna Raz , Marcel Zalmanovici

Concept drift refers to the change of data distributions over time. While drift poses a challenge for learning models, requiring their continual adaption, it is also relevant in system monitoring to detect malfunctions, system failures, and…

机器学习 · 计算机科学 2025-02-07 Fabian Hinder , Valerie Vaquet , Barbara Hammer

Deep neural networks tend to make overconfident predictions and often require additional detectors for misclassifications, particularly for safety-critical applications. Existing detection methods usually only focus on adversarial attacks…

机器学习 · 计算机科学 2023-07-07 Julia Lust , Alexandru P. Condurache

In applied machine learning, concept drift, which is either gradual or abrupt changes in data distribution, can significantly reduce model performance. Typical detection methods,such as statistical tests or reconstruction-based models,are…

机器学习 · 计算机科学 2025-08-12 N Harshit , K Mounvik

Concept drift, characterized by unpredictable changes in data distribution over time, poses significant challenges to machine learning models in streaming data scenarios. Although error rate-based concept drift detectors are widely used,…

机器学习 · 计算机科学 2024-12-17 Pengqian Lu , Jie Lu , Anjin Liu , Guangquan Zhang

Concept drift is formally defined as the change in joint distribution of a set of input variables X and a target variable y. The two types of drift that are extensively studied are real drift and virtual drift where the former is the change…

机器学习 · 计算机科学 2019-11-12 Chang How Tan , Vincent CS Lee , Mahsa Salehi

When learning from streaming data, a change in the data distribution, also known as concept drift, can render a previously-learned model inaccurate and require training a new model. We present an adaptive learning algorithm that extends…

机器学习 · 计算机科学 2020-08-04 Ashraf Tahmasbi , Ellango Jothimurugesan , Srikanta Tirthapura , Phillip B. Gibbons

One important assumption underlying common classification models is the stationarity of the data. However, in real-world streaming applications, the data concept indicated by the joint distribution of feature and label is not stationary but…

机器学习 · 计算机科学 2018-08-10 Shujian Yu , Xiaoyang Wang , Jose C. Principe

In many real-world applications, data are often collected in the form of stream, and thus the distribution usually changes in nature, which is referred as concept drift in literature. We propose a novel and effective approach to handle…

机器学习 · 计算机科学 2020-07-07 Peng Zhao , Le-Wen Cai , Zhi-Hua Zhou

When monitoring machine learning systems, two-sample tests of homogeneity form the foundation upon which existing approaches to drift detection build. They are used to test for evidence that the distribution underlying recent deployment…

机器学习 · 统计学 2022-08-03 Oliver Cobb , Arnaud Van Looveren

Detecting concept drift in high-speed data streams remains challenging, particularly when models must operate on unlabeled data and avoid false alarms caused by benign shifts. While disagreement-based uncertainty has shown promise in neural…

机器学习 · 计算机科学 2026-05-14 Lara Sá Neves , Afonso Lourenço , Lizy K. John , Goreti Marreiros

Practical machine learning applications involving time series data, such as firewall log analysis to proactively detect anomalous behavior, are concerned with real time analysis of streaming data. Consequently, we need to update the ML…

Machine learning models nowadays play a crucial role for many applications in business and industry. However, models only start adding value as soon as they are deployed into production. One challenge of deployed models is the effect of…

机器学习 · 计算机科学 2020-11-06 Lucas Baier , Vincent Kellner , Niklas Kühl , Gerhard Satzger

Transfer learning followed by fine-tuning is widely adopted in medical image classification due to consistent gains in diagnostic performance. However, in multi-class settings with overlapping visual features, improvements in accuracy do…

计算机视觉与模式识别 · 计算机科学 2026-04-10 Kabilan Elangovan , Daniel Ting

Accurate time series forecasting models are often compromised by data drift, where underlying data distributions change over time, leading to significant declines in prediction performance. To address this challenge, this study proposes an…

系统与控制 · 电气工程与系统科学 2025-12-30 Nikhil Pawar , Guilherme Vieira Hollweg , Akhtar Hussain , Wencong Su , Van-Hai Bui

Classifying streaming data requires the development of methods which are computationally efficient and able to cope with changes in the underlying distribution of the stream, a phenomenon known in the literature as concept drift. We propose…

机器学习 · 统计学 2012-12-27 Gordon J. Ross , Niall M. Adams , Dimitris K. Tasoulis , David J. Hand

Concept drift detection is a crucial task in data stream evolving environments. Most of state of the art approaches designed to tackle this problem monitor the loss of predictive models. However, this approach falls short in many real-world…

机器学习 · 计算机科学 2021-03-09 Vitor Cerqueira , Heitor Murilo Gomes , Albert Bifet , Luis Torgo

A key aspect of automating predictive machine learning entails the capability of properly triggering the update of the trained model. To this aim, suitable automatic solutions to self-assess the prediction quality and the data distribution…

机器学习 · 计算机科学 2019-07-19 Tania Cerquitelli , Stefano Proto , Francesco Ventura , Daniele Apiletti , Elena Baralis

Concept drift detection is crucial for many AI systems to ensure the system's reliability. These systems often have to deal with large amounts of data or react in real-time. Thus, drift detectors must meet computational requirements or…

机器学习 · 计算机科学 2024-06-11 Elias Werner , Nishant Kumar , Matthias Lieber , Sunna Torge , Stefan Gumhold , Wolfgang E. Nagel