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Metaphorical imagination, the ability to connect seemingly unrelated concepts, is fundamental to human cognition and communication. While understanding linguistic metaphors has advanced significantly, grasping multimodal metaphors, such as…

Multimedia · Computer Science 2026-04-20 Wenhao Qian , Zhenzhen Hu , Zijie Song , Jia Li

Continuous learning from streaming data is among the most challenging topics in the contemporary machine learning. In this domain, learning algorithms must not only be able to handle massive volumes of rapidly arriving data, but also adapt…

Machine Learning · Computer Science 2020-09-22 Łukasz Korycki , Bartosz Krawczyk

Click-through rate (CTR) prediction is a crucial task in web search, recommender systems, and online advertisement displaying. In practical application, CTR models often serve with high-speed user-generated data streams, whose underlying…

Information Retrieval · Computer Science 2023-02-24 Congcong Liu , Yuejiang Li , Fei Teng , Xiwei Zhao , Changping Peng , Zhangang Lin , Jinghe Hu , Jingping Shao

Machine learning models are commonly used for malware classification; however, they suffer from performance degradation over time due to concept drift. Adapting these models to changing data distributions requires frequent updates, which…

Machine Learning · Computer Science 2025-08-05 Md Tanvirul Alam , Aritran Piplai , Nidhi Rastogi

The integration of artificial intelligence (AI) into medical imaging has advanced clinical diagnostics but poses challenges in managing model drift and ensuring long-term reliability. To address these challenges, we develop MMC+, an…

Image and Video Processing · Electrical Eng. & Systems 2024-10-21 Jameson Merkow , Felix J. Dorfner , Xiyu Yang , Alexander Ersoy , Giridhar Dasegowda , Mannudeep Kalra , Matthew P. Lungren , Christopher P. Bridge , Ivan Tarapov

A recent endeavor in one class of video anomaly detection is to leverage diffusion models and posit the task as a generation problem, where the diffusion model is trained to recover normal patterns exclusively, thus reporting abnormal…

Computer Vision and Pattern Recognition · Computer Science 2024-12-13 Hang Zhou , Jiale Cai , Yuteng Ye , Yonghui Feng , Chenxing Gao , Junqing Yu , Zikai Song , Wei Yang

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

Existing research on sensor data anomaly detection for industrial sensor networks still has several inherent limitations. First, most detection models usually consider centralized detection. Thus, all sensor data have to be uploaded to the…

Cryptography and Security · Computer Science 2025-09-19 Tao Yang , Xuefeng Jiang , Wei Li , Peiyu Liu , Jinming Wang , Weijie Hao , Qiang Yang

The dynamicity of real-world systems poses a significant challenge to deployed predictive machine learning (ML) models. Changes in the system on which the ML model has been trained may lead to performance degradation during the system's…

Machine Learning · Computer Science 2022-03-22 Firas Bayram , Bestoun S. Ahmed , Andreas Kassler

In user targeting automation systems, concept drift in input data is one of the main challenges. It deteriorates model performance on new data over time. Previous research on concept drift mostly proposed model retraining after observing…

Machine Learning · Computer Science 2020-06-29 Jing Pan , Vincent Pham , Mohan Dorairaj , Huigang Chen , Jeong-Yoon Lee

With the recent advances in deep neural networks, anomaly detection in multimedia has received much attention in the computer vision community. While reconstruction-based methods have recently shown great promise for anomaly detection, the…

Computer Vision and Pattern Recognition · Computer Science 2020-12-15 Chaoqin Huang , Fei Ye , Jinkun Cao , Maosen Li , Ya Zhang , Cewu Lu

Addressing sensor drift is essential in industrial measurement systems, where precise data output is necessary for maintaining accuracy and reliability in monitoring processes, as it progressively degrades the performance of machine…

Machine Learning · Computer Science 2025-02-27 Melanie Schaller , Mathis Kruse , Antonio Ortega , Marius Lindauer , Bodo Rosenhahn

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

In federated learning (FL), the data distribution of each client may change over time, introducing both temporal and spatial data heterogeneity, known as concept drift. Data heterogeneity arises from three drift sources: real drift (a shift…

Machine Learning · Computer Science 2025-06-27 Fu Peng , Ming Tang

To ensure reliability and service availability, next-generation networks are expected to rely on automated anomaly detection systems powered by advanced machine learning methods with the capability of handling multi-dimensional data. Such…

Machine Learning · Computer Science 2026-01-07 Mahsa Raeiszadeh , Amin Ebrahimzadeh , Roch H. Glitho , Johan Eker , Raquel A. F. Mini

In one-class-learning tasks, only the normal case (foreground) can be modeled with data, whereas the variation of all possible anomalies is too erratic to be described by samples. Thus, due to the lack of representative data, the…

Computer Vision and Pattern Recognition · Computer Science 2019-06-03 Duc Tam Nguyen , Zhongyu Lou , Michael Klar , Thomas Brox

Anomaly Detection is an important problem within computer vision, having variety of real-life applications. Yet, the current set of solutions to this problem entail known, systematic shortcomings. Specifically, contemporary surface Anomaly…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Riya Sadrani , Hrishikesh Sharma , Ayush Bachan

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

Log anomaly detection is essential for system reliability, but it is extremely challenging to do considering it involves class imbalance. Additionally, the models trained in one domain are not applicable to other domains, necessitating the…

Machine Learning · Computer Science 2026-01-22 Krishna Sharma , Vivek Yelleti

Automated Machine Learning (AutoML) systems have been shown to efficiently build good models for new datasets. However, it is often not clear how well they can adapt when the data evolves over time. The main goal of this study is to…

Machine Learning · Computer Science 2022-05-11 Bilge Celik , Joaquin Vanschoren
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