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Some mission critical systems, e.g., fraud detection, require accurate, real-time metrics over long time sliding windows on applications that demand high throughput and low latencies. As these applications need to run 'forever' and cope…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-06-25 Ana Sofia Gomes , João Oliveirinha , Pedro Cardoso , Pedro Bizarro

The maintenance of big cities public transport service quality requires constant monitoring, which may become an expensive and time-consuming practice. The perception of quality, from the users point of view is an important aspect of…

Computers and Society · Computer Science 2017-05-11 Vasco Furtado , Carlos Caminha , Elizabeth Furtado , André Lopes , Victor Dantas , Caio Ponte , Sofia Cavalcante

This work proposes a structural approach to concept drift detection in malware classification using decision tree rulesets. Classifiers are trained across temporal windows on the EMBER2024 dataset, and drift is quantified by comparing…

Cryptography and Security · Computer Science 2026-04-27 Tomáš Kalný , Martin Jureček , Mark Stamp

AI-based digital twins are at the leading edge of the Industry 4.0 revolution, which are technologically empowered by the Internet of Things and real-time data analysis. Information collected from industrial assets is produced in a…

Machine Learning · Computer Science 2023-03-20 Jesus L. Lobo , Ibai Laña , Eneko Osaba , Javier Del Ser

The change in data distribution over time, also known as concept drift, poses a significant challenge to the reliability of online learning methods. Existing methods typically require model retraining or drift detection, both of which…

Machine Learning · Computer Science 2025-06-11 Songqiao Hu , Zeyi Liu , Xiao He

Most machine learning models are static, but the world is dynamic, and increasing online deployment of learned models gives increasing urgency to the development of efficient and effective mechanisms to address learning in the context of…

Machine Learning · Computer Science 2016-11-16 Geoffrey I. Webb , Roy Hyde , Hong Cao , Hai Long Nguyen , Francois Petitjean

Machine learning on data streams is increasingly more present in multiple domains. However, there is often data distribution shift that can lead machine learning models to make incorrect decisions. While there are automatic methods to…

Machine Learning · Computer Science 2022-05-02 João Palmeiro , Beatriz Malveiro , Rita Costa , David Polido , Ricardo Moreira , Pedro Bizarro

The current development of today's production industry towards seamless sensor-based monitoring is paving the way for concepts such as Predictive Maintenance. By this means, the condition of plants and products in future production lines…

Machine Learning · Computer Science 2021-08-22 Jan Zenisek , Gabriel Kronberger , Josef Wolfartsberger , Norbert Wild , Michael Affenzeller

Increasingly, Internet of Things (IoT) domains, such as sensor networks, smart cities, and social networks, generate vast amounts of data. Such data are not only unbounded and rapidly evolving. Rather, the content thereof dynamically…

Machine Learning · Statistics 2018-01-19 Ali Pesaranghader , Herna Viktor , Eric Paquet

Millions of vulnerable consumer IoT devices in home networks are the enabler for cyber crimes putting user privacy and Internet security at risk. Internet service providers (ISPs) are best poised to play key roles in mitigating risks by…

Online learning, where feature spaces can change over time, offers a flexible learning paradigm that has attracted considerable attention. However, it still faces three significant challenges. First, the heterogeneity of real-world data…

Machine Learning · Computer Science 2025-07-17 Shengda Zhuo , Di Wu , Yi He , Shuqiang Huang , Xindong Wu

Evaluation of recommender systems is typically done with finite datasets. This means that conventional evaluation methodologies are only applicable in offline experiments, where data and models are stationary. However, in real world…

Information Retrieval · Computer Science 2015-05-04 João Vinagre , Alípio Mário Jorge , João Gama

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…

Machine Learning · Computer Science 2021-07-02 Wonju Lee , Seok-Yong Byun , Jooeun Kim , Minje Park , Kirill Chechil

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.

Today's social networks continuously generate massive streams of data, which provide a valuable starting point for the detection of rumours as soon as they start to propagate. However, rumour detection faces tight latency bounds, which…

Social and Information Networks · Computer Science 2022-05-16 Thanh Tam Nguyen , Thanh Trung Huynh , Hongzhi Yin , Matthias Weidlich , Thanh Thi Nguyen , Thai Son Mai , Quoc Viet Hung Nguyen

Modern configurable software systems need to learn models that correlate configuration and performance. However, when the system operates in dynamic environments, the workload variations, hardware changes, and system updates will inevitably…

Software Engineering · Computer Science 2025-09-01 Zezhen Xiang , Jingzhi Gong , Tao Chen

In our digital universe nowadays, enormous amount of data are produced in a streaming manner in a variety of application areas. These data are often unlabelled. In this case, identifying infrequent events, such as anomalies, poses a great…

Machine Learning · Computer Science 2023-09-07 Jin Li , Kleanthis Malialis , Marios M. Polycarpou

In many real-world applications, continuous machine learning (ML) systems are crucial but prone to data drift, a phenomenon where discrepancies between historical training data and future test data lead to significant performance…

Machine Learning · Computer Science 2024-11-26 Vennela Yarabolu , Govind Waghmare , Sonia Gupta , Siddhartha Asthana

Autonomous driving requires the model to perceive the environment and (re)act within a low latency for safety. While past works ignore the inevitable changes in the environment after processing, streaming perception is proposed to jointly…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Jinrong Yang , Songtao Liu , Zeming Li , Xiaoping Li , Jian Sun

This paper proposes a novel framework to alleviate the model drift problem in visual tracking, which is based on paced updates and trajectory selection. Given a base tracker, an ensemble of trackers is generated, in which each tracker's…

Computer Vision and Pattern Recognition · Computer Science 2016-03-02 Zexi Hu , Yuefang Gao , Dong Wang , Xuhong Tian
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