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Related papers: Concept Drift Learning with Alternating Learners

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Concept Drift has been extensively studied within the context of Stream Learning. However, it is often assumed that the deployed model's predictions play no role in the concept drift the system experiences. Closer inspection reveals that…

Machine Learning · Computer Science 2025-04-02 Brandon Gower-Winter , Georg Krempl , Sergey Dragomiretskiy , Tineke Jelsma , Arno Siebes

Online Time Series Forecasting (OTSF) requires models to continuously adapt to concept drift. However, existing methods often treat concept drift as a monolithic phenomenon. To address this limitation, we first redefine concept drift by…

Machine Learning · Computer Science 2026-03-11 Seungha Hong , Sukang Chae , Suyeon Kim , Sanghwan Jang , Hwanjo Yu

Systems and individuals produce data continuously. On the Internet, people share their knowledge, sentiments, and opinions, provide reviews about services and products, and so on. Automatically learning from these textual data can provide…

One of the more challenging real-world problems in computational intelligence is to learn from non-stationary streaming data, also known as concept drift. Perhaps even a more challenging version of this scenario is when -- following a small…

Machine Learning · Computer Science 2020-12-01 Muhammad Umer , Robi Polikar

Supervised learning models are one of the most fundamental classes of models. Viewing supervised learning from a probabilistic perspective, the set of training data to which the model is fitted is usually assumed to follow a stationary…

Machine Learning · Statistics 2022-09-14 Kungang Zhang , Anh T. Bui , Daniel W. Apley

In a data stream environment, classification models must handle concept drift efficiently and effectively. Ensemble methods are widely used for this purpose; however, the ones available in the literature either use a large data chunk to…

Machine Learning · Computer Science 2023-03-15 Sepehr Bakhshi , Pouya Ghahramanian , Hamed Bonab , Fazli Can

When concept drift is detected during classification in a data stream, a common remedy is to retrain a framework's classifier. However, this loses useful information if the classifier has learnt the current concept well, and this concept…

Machine Learning · Computer Science 2019-05-23 Robert Anderson , Yun Sing Koh , Gillian Dobbie , Albert Bifet

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

Data Drift is the phenomenon where the generating model behind the data changes over time. Due to data drift, any model built on the past training data becomes less relevant and inaccurate over time. Thus, detecting and controlling for data…

Machine Learning · Computer Science 2025-04-29 Subhadip Bandyopadhyay , Joy Bose , Sujoy Roy Chowdhury

We consider a semi-supervised classification problem with non-stationary label-shift in which we observe a labelled data set followed by a sequence of unlabelled covariate vectors in which the marginal probabilities of the class labels may…

Statistics Theory · Mathematics 2024-05-29 Henry W J Reeve

Drift in machine learning refers to the phenomenon where the statistical properties of data or context, in which the model operates, change over time leading to a decrease in its performance. Therefore, maintaining a constant monitoring…

Computation and Language · Computer Science 2023-09-08 Saeed Khaki , Akhouri Abhinav Aditya , Zohar Karnin , Lan Ma , Olivia Pan , Samarth Marudheri Chandrashekar

Online class imbalance learning deals with data streams that are affected by both concept drift and class imbalance. Online learning tries to find a trade-off between exploiting previously learned information and incorporating new…

Machine Learning · Computer Science 2021-03-29 Amir Abolfazli , Eirini Ntoutsi

Anomaly detection in multimedia datasets is a widely studied area. Yet, the concept drift challenge in data has been ignored or poorly handled by the majority of the anomaly detection frameworks. The state-of-the-art approaches assume that…

Computer Vision and Pattern Recognition · Computer Science 2022-07-28 Pratibha Kumari , Priyankar Choudhary , Pradeep K. Atrey , Mukesh Saini

We propose Enhash, a fast ensemble learner that detects \textit{concept drift} in a data stream. A stream may consist of abrupt, gradual, virtual, or recurring events, or a mixture of various types of drift. Enhash employs projection hash…

Machine Learning · Computer Science 2020-11-10 Aashi Jindal , Prashant Gupta , Debarka Sengupta , Jayadeva

Recent years have witnessed enormous progress of online learning. However, a major challenge on the road to artificial agents is concept drift, that is, the data probability distribution would change where the data instance arrives…

Machine Learning · Computer Science 2022-01-26 Ya-nan Han , Jian-wei Liu , Bing-biao Xiao , Xin-Tan Wang , Xiong-lin Luo

In real-world applications, input data distributions are rarely static over a period of time, a phenomenon known as concept drift. Such concept drifts degrade the model's prediction performance, and therefore we require methods to overcome…

Machine Learning · Computer Science 2024-07-10 Christofer Fellicious , Sahib Julka , Lorenz Wendlinger , Michael Granitzer

Federated Learning (FL) is an emerging domain in the broader context of artificial intelligence research. Methodologies pertaining to FL assume distributed model training, consisting of a collection of clients and a server, with the main…

Machine Learning · Computer Science 2023-05-09 Bhargav Ganguly , Vaneet Aggarwal

Learning from data streams is among the most vital fields of contemporary data mining. The online analysis of information coming from those potentially unbounded data sources allows for designing reactive up-to-date models capable of…

Machine Learning · Computer Science 2020-10-16 Łukasz Korycki , Bartosz Krawczyk

Recent years have witnessed growing interests in online incremental learning. However, there are three major challenges in this area. The first major difficulty is concept drift, that is, the probability distribution in the streaming data…

Machine Learning · Computer Science 2022-01-06 Si-si Zhang , Jian-wei Liu , Xin Zuo

Learning in non-stationary environments is one of the biggest challenges in machine learning. Non-stationarity can be caused by either task drift, i.e., the drift in the conditional distribution of labels given the input data, or the domain…

Machine Learning · Computer Science 2020-03-16 Qicheng Lao , Xiang Jiang , Mohammad Havaei , Yoshua Bengio