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Concept drift is the phenomenon in which the underlying data distributions and statistical properties of a target domain change over time, leading to a degradation in model performance. Consequently, production models require continuous…

Machine Learning · Computer Science 2025-08-07 Salvatore Greco , Bartolomeo Vacchetti , Daniele Apiletti , Tania Cerquitelli

Concept drift is a phenomenon in which the distribution of a data stream changes over time in unforeseen ways, causing prediction models built on historical data to become inaccurate. While a variety of automated methods have been developed…

Machine Learning · Computer Science 2023-08-10 Weikai Yang , Zhen Li , Mengchen Liu , Yafeng Lu , Kelei Cao , Ross Maciejewski , Shixia Liu

Lifelong machine learning or continual learning models attempt to learn incrementally by accumulating knowledge across a sequence of tasks. Therefore, these models learn better and faster. They are used in various intelligent systems that…

Machine Learning · Computer Science 2021-12-20 Khouloud Saadi , Muhammad Taimoor Khan

When an agent acquires new information, ideally it would immediately be capable of using that information to understand its environment. This is not possible using conventional deep neural networks, which suffer from catastrophic forgetting…

Machine Learning · Computer Science 2020-04-20 Tyler L. Hayes , Christopher Kanan

Continual learning aims to update models under distribution shift without forgetting, yet many high-stakes deployments, such as healthcare, also require interpretability. In practice, models that adapt well (e.g., deep networks) are often…

Machine Learning · Computer Science 2026-04-21 Dongkyu Cho , Xiyue Li , Samrachana Adhikari , Rumi Chunara

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

In recent years, we have seen a handful of work on inference algorithms over non-stationary data streams. Given their flexibility, Bayesian non-parametric models are a good candidate for these scenarios. However, reliable streaming…

Machine Learning · Statistics 2022-10-14 Ioar Casado , Aritz Pérez

Learning from multiple data streams in real-world scenarios is fundamentally challenging due to intrinsic heterogeneity and unpredictable concept drifts. Existing methods typically assume homogeneous streams and employ static architectures…

Machine Learning · Computer Science 2025-08-05 En Yu , Jie Lu , Kun Wang , Xiaoyu Yang , 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

Imagine a smart camera trap selectively clicking pictures to understand animal movement patterns within a particular habitat. These "snapshots", or pieces of data captured from a data stream at adaptively chosen times, provide a glimpse of…

Machine Learning · Computer Science 2024-12-10 Pramith Devulapalli , Steve Hanneke

Uncertain changes in data streams present challenges for machine learning models to dynamically adapt and uphold performance in real-time. Particularly, classification boundary change, also known as real concept drift, is the major cause of…

Machine Learning · Computer Science 2024-05-24 Feng Gu , Jie Lu , Zhen Fang , Kun Wang , Guangquan Zhang

Machine learning models are omnipresent for predictions on big data. One challenge of deployed models is the change of the data over time, a phenomenon called concept drift. If not handled correctly, a concept drift can lead to significant…

Machine Learning · Computer Science 2020-04-02 Lucas Baier , Marcel Hofmann , Niklas Kühl , Marisa Mohr , Gerhard Satzger

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…

Machine Learning · Computer Science 2026-05-14 Lara Sá Neves , Afonso Lourenço , Lizy K. John , Goreti Marreiros

Mining data streams is one of the main studies in machine learning area due to its application in many knowledge areas. One of the major challenges on mining data streams is concept drift, which requires the learner to discard the current…

Machine Learning · Computer Science 2023-04-20 Jean Paul Barddal , Heitor Murilo Gomes , Fabrício Enembreck

This work focuses on classification over time series data. When a time series is generated by non-stationary phenomena, the pattern relating the series with the class to be predicted may evolve over time (concept drift). Consequently,…

Machine Learning · Computer Science 2020-04-02 Eric L. Manibardo , Ibai Laña , Jesus L. Lobo , Javier Del Ser

Data stream processing has become a landmark in modern machine learning applications, with concept drifts and novel class appearances posing the primary challenges faced by sophisticated recognition methods. This work proposes an…

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

Machine learning (ML) is expected to play a major role in 5G edge computing. Various studies have demonstrated that ML is highly suitable for optimizing edge computing systems as rapid mobility and application-induced changes occur at the…

Machine Learning · Computer Science 2021-11-16 Amir Hossein Estiri , Muthucumaru Maheswaran

Concept drift and extreme verification latency pose significant challenges in data stream learning, particularly when dealing with recurring concept changes in dynamic environments. This work introduces a novel method based on the Growing…

Machine Learning · Computer Science 2025-04-11 Maria Arostegi , Miren Nekane Bilbao , Jesus L. Lobo , Javier Del Ser

The society produces textual data online in several ways, e.g., via reviews and social media posts. Therefore, numerous researchers have been working on discovering patterns in textual data that can indicate peoples' opinions, interests,…

In big data era, the data continuously generated and its distribution may keep changes overtime. These challenges in online stream of data are known as concept drift. In this paper, we proposed the Adaptive Convolutional ELM method…

Artificial Intelligence · Computer Science 2016-10-10 Arif Budiman , Mohamad Ivan Fanany , Chan Basaruddin
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