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We present a straightforward statistical test to detect certain violations of the assumption that the data are Independent and Identically Distributed (IID). The specific form of violation considered is common across real-world…

Machine Learning · Computer Science 2023-05-26 Jesse Cummings , Elías Snorrason , Jonas Mueller

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.…

Machine Learning · Computer Science 2021-10-26 Jędrzej Kozal , Filip Guzy , Michał Woźniak

The last decade has seen a surge of interest in adaptive learning algorithms for data stream classification, with applications ranging from predicting ozone level peaks, learning stock market indicators, to detecting computer security…

Machine Learning · Statistics 2018-08-13 Ali Pesaranghader , Herna Viktor , Eric Paquet

Rapidly changing business environments expose companies to high levels of uncertainty. This uncertainty manifests itself in significant changes that tend to occur over the lifetime of a process and possibly affect its performance. It is…

Artificial Intelligence · Computer Science 2021-09-14 Jan Niklas Adams , Sebastiaan J. van Zelst , Lara Quack , Kathrin Hausmann , Wil M. P. van der Aalst , Thomas Rose

Data stream mining problem has caused widely concerns in the area of machine learning and data mining. In some recent studies, ensemble classification has been widely used in concept drift detection, however, most of them regard…

Data Structures and Algorithms · Computer Science 2017-08-14 Junhong Wang , Shuliang Xu , Bingqian Duan , Caifeng Liu , Jiye Liang

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…

Machine Learning · Computer Science 2022-02-02 Ege Berkay Gulcan , Fazli Can

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…

Machine Learning · Computer Science 2024-06-11 Elias Werner , Nishant Kumar , Matthias Lieber , Sunna Torge , Stefan Gumhold , Wolfgang E. Nagel

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,…

Machine Learning · Computer Science 2024-12-17 Pengqian Lu , Jie Lu , Anjin Liu , Guangquan Zhang

Recently, continual learning has received a lot of attention. One of the significant problems is the occurrence of \emph{concept drift}, which consists of changing probabilistic characteristics of the incoming data. In the case of the…

Machine Learning · Computer Science 2022-10-11 Sebastián Basterrech , Michal Woźniak

Machine learning (ML) algorithms deployed in real-world environments are often faced with the challenge of adapting models to concept drift, where the task data distributions are shifting over time. The problem becomes even more difficult…

Machine Learning · Computer Science 2026-01-19 Adam Piaseczny , Md Kamran Chowdhury Shisher , Shiqiang Wang , Christopher G. Brinton

The problem of data non-stationarity is commonly addressed in data stream processing. In a dynamic environment, methods should continuously be ready to analyze time-varying data -- hence, they should enable incremental training and respond…

Machine Learning · Computer Science 2026-05-29 Joanna Komorniczak

Concept drift refers to a non stationary learning problem over time. The training and the application data often mismatch in real life problems. In this report we present a context of concept drift problem 1. We focus on the issues relevant…

Artificial Intelligence · Computer Science 2010-10-25 Indrė Žliobaitė

Concept drift refers to gradual or sudden changes in the properties of data that affect the accuracy of machine learning models. In this paper, we address the problem of concept drift detection in the malware domain. Specifically, we…

Machine Learning · Computer Science 2026-03-17 Aniket Mishra , Mark Stamp

We present a novel online learning-based approach for concept drift adaptation in optical network failure detection, achieving up to a 70% improvement in performance over conventional static models while maintaining low latency.

Machine learning-based Android malware classifiers achieve high accuracy in stationary environments but struggle with concept drift. The rapid evolution of malware, especially with new families, can depress classification accuracy to…

Cryptography and Security · Computer Science 2025-06-18 Yiling He , Junchi Lei , Zhan Qin , Kui Ren , Chun Chen

Nowadays with a growing number of online controlling systems in the organization and also a high demand of monitoring and stats facilities that uses data streams to log and control their subsystems, data stream mining becomes more and more…

Machine Learning · Computer Science 2019-02-12 Radin Hamidi Rad , Maryam Amir Haeri

There exists a large body of work on online drift detection with the goal of dynamically finding and maintaining changes in data streams. In this paper, we adopt a query-based approach to drift detection. Our approach relies on {\em a drift…

Data Structures and Algorithms · Computer Science 2016-05-16 Sofia Kleisarchaki , Sihem Amer-Yahia , Ahlame Douzal-Chouakria , Vassilis Christophides

As an emerging research topic, online class imbalance learning often combines the challenges of both class imbalance and concept drift. It deals with data streams having very skewed class distributions, where concept drift may occur. It has…

Machine Learning · Computer Science 2017-03-21 Shuo Wang , Leandro L. Minku , Xin Yao

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.…

Machine Learning · Computer Science 2023-11-23 Anton Winter , Nicolas Jourdan , Tristan Wirth , Volker Knauthe , Arjan Kuijper

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…

Machine Learning · Statistics 2022-08-03 Oliver Cobb , Arnaud Van Looveren
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