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We introduce an adaptive method with formal quality guarantees for weak supervision in a non-stationary setting. Our goal is to infer the unknown labels of a sequence of data by using weak supervision sources that provide independent noisy…

机器学习 · 计算机科学 2025-05-05 Alessio Mazzetto , Reza Esfandiarpoor , Akash Singirikonda , Eli Upfal , Stephen H. Bach

Detecting drifts in data is essential for machine learning applications, as changes in the statistics of processed data typically has a profound influence on the performance of trained models. Most of the available drift detection methods…

机器学习 · 计算机科学 2024-10-28 Andrea Castellani , Sebastian Schmitt , Barbara Hammer

Concept drift and label scarcity are two critical challenges limiting the robustness of predictive models in dynamic industrial environments. Existing drift detection methods often assume global shifts and rely on dense supervision, making…

机器学习 · 统计学 2025-11-05 Junghee Pyeon , Davide Cacciarelli , Kamran Paynabar

In safety-critical domains such as autonomous driving and medical diagnosis, the reliability of machine learning models is crucial. One significant challenge to reliability is concept drift, which can cause model deterioration over time.…

机器学习 · 计算机科学 2023-11-23 Anton Winter , Nicolas Jourdan , Tristan Wirth , Volker Knauthe , Arjan Kuijper

One of the significant problems of streaming data classification is the occurrence of concept drift, consisting of the change of probabilistic characteristics of the classification task. This phenomenon destabilizes the performance of the…

机器学习 · 计算机科学 2021-12-21 Michał Woźniak , Paweł Zyblewski , Paweł Ksieniewicz

Deployed machine learning models are confronted with the problem of changing data over time, a phenomenon also called concept drift. While existing approaches of concept drift detection already show convincing results, they require true…

机器学习 · 计算机科学 2022-09-26 Lucas Baier , Tim Schlör , Jakob Schöffer , Niklas Kühl

To detect anomalies in real-world graphs, such as social, email, and financial networks, various approaches have been developed. While they typically assume static input graphs, most real-world graphs grow over time, naturally represented…

机器学习 · 计算机科学 2024-07-26 Jongha Lee , Sunwoo Kim , Kijung Shin

Many real-world applications adopt multi-label data streams as the need for algorithms to deal with rapidly changing data increases. Changes in data distribution, also known as concept drift, cause the existing classification models to…

机器学习 · 计算机科学 2022-02-02 Ege Berkay Gulcan , Fazli Can

Continuous generation of streaming data from diverse sources, such as online transactions and digital interactions, necessitates timely fraud detection. Traditional batch processing methods often struggle to capture the rapidly evolving…

机器学习 · 计算机科学 2025-04-15 Vivek Yelleti

The paper explores the challenges of regression analysis in evolving data streams, an area that remains relatively underexplored compared to classification. We propose a standardized evaluation process for regression and prediction interval…

机器学习 · 计算机科学 2025-02-20 Yibin Sun , Heitor Murilo Gomes , Bernhard Pfahringer , Albert Bifet

Most predictive models assume that training and test data are generated from a stationary process. However, this assumption does not hold true in practice. In this paper, we consider the scenario of a gradual concept drift due to the…

机器学习 · 计算机科学 2020-02-12 Subhro Das , Prasanth Lade , Soundar Srinivasan

Software aging is a phenomenon that affects long-running systems, leading to progressive performance degradation and increasing the risk of failures. To mitigate this problem, this work proposes an adaptive approach based on machine…

软件工程 · 计算机科学 2025-12-01 Rafael Jose Moura Silva , Maria Gizele Nascimento , Fumio Machida , Ermeson Andrade

While many real-world data streams imply that they change frequently in a nonstationary way, most of deep learning methods optimize neural networks on training data, and this leads to severe performance degradation when dataset shift…

机器学习 · 计算机科学 2021-07-02 Wonju Lee , Seok-Yong Byun , Jooeun Kim , Minje Park , Kirill Chechil

Cloud networks increasingly rely on machine learning based Network Intrusion Detection Systems to defend against evolving cyber threats. However, real-world deployments are challenged by limited labeled data, non-stationary traffic, and…

机器学习 · 计算机科学 2026-04-15 Anasuya Chattopadhyay , Daniel Reti , Hans D. Schotten

In recent years, with the increasing popularity of "Smart Technology", the number of Internet of Things (IoT) devices and systems have surged significantly. Various IoT services and functionalities are based on the analytics of IoT…

机器学习 · 计算机科学 2021-05-27 Li Yang , Abdallah Shami

Unsupervised domain adaptation targets to transfer task-related knowledge from labeled source domain to unlabeled target domain. Although tremendous efforts have been made to minimize domain divergence, most existing methods only partially…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Peizhao Li , Zhengming Ding , Hongfu Liu

Classifiers deployed in the real world operate in a dynamic environment, where the data distribution can change over time. These changes, referred to as concept drift, can cause the predictive performance of the classifier to drop over…

机器学习 · 统计学 2017-04-04 Tegjyot Singh Sethi , Mehmed Kantardzic

This paper focuses on supervised and unsupervised online label shift, where the class marginals $Q(y)$ varies but the class-conditionals $Q(x|y)$ remain invariant. In the unsupervised setting, our goal is to adapt a learner, trained on some…

Concept drift in learning and classification occurs when the statistical properties of either the data features or target change over time; evidence of drift has appeared in search data, medical research, malware, web data, and video. Drift…

机器学习 · 计算机科学 2019-10-03 Abhijit Suprem

Multi-dimensional data streams, prevalent in applications like IoT, financial markets, and real-time analytics, pose significant challenges due to their high velocity, unbounded nature, and complex inter-dimensional dependencies. Sliding…

机器学习 · 计算机科学 2025-07-10 Abolfazl Zarghani , Sadegh Abedi
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