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Detecting fraudulent transactions is an essential component to control risk in e-commerce marketplaces. Apart from rule-based and machine learning filters that are already deployed in production, we want to enable efficient real-time…

Machine Learning · Computer Science 2022-08-25 Mingxuan Lu , Zhichao Han , Susie Xi Rao , Zitao Zhang , Yang Zhao , Yinan Shan , Ramesh Raghunathan , Ce Zhang , Jiawei Jiang

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

Machine learning models are being increasingly used to automate decisions in almost every domain, and ensuring the performance of these models is crucial for ensuring high quality machine learning enabled services. Ensuring concept drift is…

Machine Learning · Statistics 2025-09-30 Nelvin Tan , Yu-Ching Shih , Dong Yang , Amol Salunkhe

Instruction Fine-Tuning (IFT) has been widely adopted as an effective post-training strategy to enhance various abilities of Large Language Models (LLMs). However, prior studies have shown that IFT can significantly compromise LLMs' safety,…

Computation and Language · Computer Science 2025-09-09 Yanrui Du , Fenglei Fan , Sendong Zhao , Jiawei Cao , Qika Lin , Kai He , Ting Liu , Bing Qin , Mengling Feng

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

Accurate time series forecasting models are often compromised by data drift, where underlying data distributions change over time, leading to significant declines in prediction performance. To address this challenge, this study proposes an…

Systems and Control · Electrical Eng. & Systems 2025-12-30 Nikhil Pawar , Guilherme Vieira Hollweg , Akhtar Hussain , Wencong Su , Van-Hai Bui

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

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

ML-enabled systems that are deployed in a production environment typically suffer from decaying model prediction quality through concept drift, i.e., a gradual change in the statistical characteristics of a certain real-world domain. To…

Machine Learning · Computer Science 2025-08-05 Rafiullah Omar , Justus Bogner , Joran Leest , Vincenzo Stoico , Patricia Lago , Henry Muccini

The expansion of edge computing has increased the attack surface, creating an urgent need for robust, real-time machine learning (ML)-based host intrusion detection systems (HIDS) that balance accuracy and efficiency. In such settings,…

Cryptography and Security · Computer Science 2025-09-18 Onat Gungor , Ishaan Kale , Jiasheng Zhou , Tajana Rosing

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

Open intent detection is a significant problem in natural language understanding, which aims to identify the unseen open intent while ensuring known intent identification performance. However, current methods face two major challenges.…

Computation and Language · Computer Science 2023-05-08 Hanlei Zhang , Hua Xu , Shaojie Zhao , Qianrui Zhou

Predicting driver intentions is a difficult and crucial task for advanced driver assistance systems. Traditional confidence measures on predictions often ignore the way predicted trajectories affect downstream decisions for safe driving. In…

Intent detection is a crucial task in any Natural Language Understanding (NLU) system and forms the foundation of a task-oriented dialogue system. To build high-quality real-world conversational solutions for edge devices, there is a need…

Computation and Language · Computer Science 2022-01-31 Vibhav Agarwal , Sudeep Deepak Shivnikar , Sourav Ghosh , Himanshu Arora , Yashwant Saini

Concept drift, characterized by unpredictable changes in data distribution over time, poses significant challenges to machine learning models in streaming data scenarios. Although error rate-based concept drift detectors are widely used,…

Machine Learning · Computer Science 2024-12-17 Pengqian Lu , Jie Lu , Anjin Liu , Guangquan Zhang

This study introduces the Perception Latency Mitigation Network (PLM-Net), a modular deep learning framework designed to mitigate perception latency in vision-based imitation-learning lane-keeping systems. Perception latency, defined as the…

Robotics · Computer Science 2026-03-20 Aws Khalil , Jaerock Kwon

Deep learning-based methods have become the de facto standard for industrial defect detection. However, their data-hungry nature and inherent "black-box" characteristics often lead to performance bottlenecks and limited trustworthiness in…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Hang-Cheng Dong , Guodong Liu , Dong Ye , Bingguo Liu

The notion of concept drift refers to the phenomenon that the data generating distribution changes over time; as a consequence machine learning models may become inaccurate and need adjustment. In this paper we consider the problem of…

Machine Learning · Computer Science 2022-05-16 Fabian Hinder , André Artelt , Valerie Vaquet , Barbara Hammer

Adapting to concept drift is a challenging task in machine learning, which is usually tackled using incremental learning techniques that periodically re-fit a learning model leveraging newly available data. A primary limitation of these…

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