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Concept drift detectors allow learning systems to maintain good accuracy on non-stationary data streams. Financial time series are an instance of non-stationary data streams whose concept drifts (market phases) are so important to affect…

Statistical Finance · Quantitative Finance 2021-09-02 Filippo Neri

This research focused on enhancing post-incident malware forensic investigation using reinforcement learning RL. We proposed an advanced MDP post incident malware forensics investigation model and framework to expedite post incident…

Cryptography and Security · Computer Science 2025-01-08 Dipo Dunsin , Mohamed Chahine Ghanem , Karim Ouazzane , Vassil Vassilev

A practical issue of edge AI systems is that data distributions of trained dataset and deployed environment may differ due to noise and environmental changes over time. Such a phenomenon is known as a concept drift, and this gap degrades…

Machine Learning · Computer Science 2023-01-31 Takeya Yamada , Hiroki Matsutani

We study risk-sensitive reinforcement learning (RL) based on an entropic risk measure in episodic non-stationary Markov decision processes (MDPs). Both the reward functions and the state transition kernels are unknown and allowed to vary…

Machine Learning · Computer Science 2022-11-22 Yuhao Ding , Ming Jin , Javad Lavaei

As next-generation networks materialize, increasing levels of intelligence are required. Federated Learning has been identified as a key enabling technology of intelligent and distributed networks; however, it is prone to concept drift as…

Machine Learning · Computer Science 2022-02-07 Dimitrios Michael Manias , Ibrahim Shaer , Li Yang , Abdallah Shami

The massive scale of modern AI accelerators presents critical challenges to traditional fault assessment methodologies, which face prohibitive computational costs and provide poor coverage of critical failure modes. This paper introduces…

Artificial Intelligence · Computer Science 2025-12-11 Khurram Khalil , Muhammad Mahad Khaliq , Khaza Anuarul Hoque

An active approach to fault tolerance is essential for robot swarms to achieve long-term autonomy. Previous efforts have focused on responding to spontaneous electro-mechanical faults and failures. However, many faults occur gradually over…

Robotics · Computer Science 2025-10-10 James O'Keeffe

Choosing an appropriate parameter set for the designed controller is critical for the final performance but usually requires a tedious and careful tuning process, which implies a strong need for automatic tuning methods. However, among…

Systems and Control · Electrical Eng. & Systems 2022-09-13 Yuheng Lei , Jianyu Chen , Shengbo Eben Li , Sifa Zheng

Based on the experimental results, all concepts drift types have their respective hyperparameter configurations. Simple and gradual concept drift have similar pattern which requires a smaller {\alpha} value than recurring concept drift…

Sound · Computer Science 2021-05-31 Ibnu Daqiqil Id , Masanobu Abe , Sunao Hara

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

Real-world application models are commonly deployed in dynamic environments, where the target domain distribution undergoes temporal changes. Continual Test-Time Adaptation (CTTA) has recently emerged as a promising technique to gradually…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Shilei Cao , Juepeng Zheng , Yan Liu , Baoquan Zhao , Ziqi Yuan , Weijia Li , Runmin Dong , Haohuan Fu

The current state-of-the-art Android malware detection systems are based on machine learning and deep learning models. Despite having superior performance, these models are susceptible to adversarial attacks. Therefore in this paper, we…

Cryptography and Security · Computer Science 2021-01-29 Hemant Rathore , Sanjay K. Sahay , Piyush Nikam , Mohit Sewak

Machine learning has shown promise in network intrusion detection systems, yet its performance often degrades due to concept drift and imbalanced data. These challenges are compounded by the labor-intensive process of labeling network…

Networking and Internet Architecture · Computer Science 2025-08-15 Ragini Gupta , Shinan Liu , Ruixiao Zhang , Xinyue Hu , Xiaoyang Wang , Hadjer Benkraouda , Pranav Kommaraju , Phuong Cao , Nick Feamster , Klara Nahrstedt

Deep reinforcement learning (DRL) is increasingly applied in large-scale productions like Netflix and Facebook. As with most data-driven systems, DRL systems can exhibit undesirable behaviors due to environmental drifts, which often occur…

Machine Learning · Computer Science 2023-08-25 Ahmed Haj Yahmed , Rached Bouchoucha , Houssem Ben Braiek , Foutse Khomh

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

The rapid evolution of Android malware poses significant challenges to the maintenance and security of mobile applications (apps). Traditional detection techniques often struggle to keep pace with emerging malware variants that employ…

Cryptography and Security · Computer Science 2025-08-26 Tiezhu Sun , Marco Alecci , Aleksandr Pilgun , Yewei Song , Xunzhu Tang , Jordan Samhi , Tegawendé F. Bissyandé , Jacques Klein

Predictive models often degrade in performance due to evolving data distributions, a phenomenon known as data drift. Among its forms, concept drift, where the relationship between explanatory variables and the response variable changes, is…

Machine Learning · Statistics 2026-05-18 Ugur Dar , Mustafa Cavus

With the boom of machine learning (ML) techniques, software practitioners build ML systems to process the massive volume of streaming data for diverse software engineering tasks such as failure prediction in AIOps. Trained using historical…

Machine Learning · Computer Science 2025-08-05 Tri Minh Triet Pham , Karthikeyan Premkumar , Mohamed Naili , Jinqiu Yang

This paper presents a new data-driven fault identification and controller reconfiguration algorithm. The presented algorithm relies only on the system's input and output data, and it does not require a detailed system description. The…

Systems and Control · Computer Science 2019-02-27 Hasan Zakeri , Panos J. Antsaklis

Software aging is a phenomenon that affects long-running systems, leading to progressive performance degradation and increasing the risk of failures. To mitigate this problem, this work proposes an adaptive approach based on machine…

Software Engineering · Computer Science 2025-12-01 Rafael Jose Moura Silva , Maria Gizele Nascimento , Fumio Machida , Ermeson Andrade