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相关论文: Diagnosing Concept Drift with Visual Analytics

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In the context of Just-In-Time Software Defect Prediction (JIT-SDP), Concept drift (CD) can occur due to changes in the software development process, the complexity of the software, or changes in user behavior that may affect the stability…

软件工程 · 计算机科学 2023-05-29 Zeynab Chitsazian , Saeed Sedighian Kashi , Amin Nikanjam

Distributional drift detection is important in medical applications as it helps ensure the accuracy and reliability of models by identifying changes in the underlying data distribution that could affect the prediction results of machine…

图像与视频处理 · 电气工程与系统科学 2025-05-12 Yusen Wu , Phuong Nguyen , Rose Yesha , Yelena Yesha

We present a new adaptive algorithm for learning discrete distributions under distribution drift. In this setting, we observe a sequence of independent samples from a discrete distribution that is changing over time, and the goal is to…

机器学习 · 计算机科学 2024-03-11 Alessio Mazzetto

Global physical event detection has traditionally relied on dense coverage of physical sensors around the world; while this is an expensive undertaking, there have not been alternatives until recently. The ubiquity of social networks and…

机器学习 · 计算机科学 2019-12-16 Abhijit Suprem , Calton Pu

Time series forecasting always faces the challenge of concept drift, where data distributions evolve over time, leading to a decline in forecast model performance. Existing solutions are based on online learning, which continually organize…

机器学习 · 计算机科学 2025-12-19 Lifan Zhao , Yanyan Shen

Existing drift detection methods focus on designing sensitive test statistics. They treat the detection threshold as a fixed hyperparameter, set once to balance false alarms and late detections, and applied uniformly across all datasets and…

机器学习 · 计算机科学 2025-11-14 Pengqian Lu , Jie Lu , Anjin Liu , En Yu , 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…

机器学习 · 计算机科学 2022-10-11 Sebastián Basterrech , Michal Woźniak

eCommerce transaction frauds keep changing rapidly. This is the major issue that prevents eCommerce merchants having a robust machine learning model for fraudulent transactions detection. The root cause of this problem is that rapid…

应用统计 · 统计学 2018-10-11 Huiying Mao , Yung-wen Liu , Yuting Jia , Jay Nanduri

Real-time monitoring of human behaviours, especially in e-Health applications, has been an active area of research in the past decades. On top of IoT-based sensing environments, anomaly detection algorithms have been proposed for the early…

机器学习 · 计算机科学 2023-12-15 Bardh Prenkaj , Paola Velardi

As an emerging research topic, online class imbalance learning often combines the challenges of both class imbalance and concept drift. It deals with data streams having very skewed class distributions, where concept drift may occur. It has…

机器学习 · 计算机科学 2017-03-21 Shuo Wang , Leandro L. Minku , Xin Yao

One important assumption underlying common classification models is the stationarity of the data. However, in real-world streaming applications, the data concept indicated by the joint distribution of feature and label is not stationary but…

机器学习 · 计算机科学 2018-08-10 Shujian Yu , Xiaoyang Wang , Jose C. Principe

Machine learning models nowadays play a crucial role for many applications in business and industry. However, models only start adding value as soon as they are deployed into production. One challenge of deployed models is the effect of…

机器学习 · 计算机科学 2020-11-06 Lucas Baier , Vincent Kellner , Niklas Kühl , Gerhard Satzger

Rapidly changing business environments expose companies to high levels of uncertainty. This uncertainty manifests itself in significant changes that tend to occur over the lifetime of a process and possibly affect its performance. It is…

The widespread success of deep learning models today is owed to the curation of extensive datasets significant in size and complexity. However, such models frequently pick up inherent biases in the data during the training process, leading…

计算机视觉与模式识别 · 计算机科学 2024-11-12 Rwiddhi Chakraborty , Yinong Wang , Jialu Gao , Runkai Zheng , Cheng Zhang , Fernando De la Torre

Missing values, widely called as \textit{sparsity} in literature, is a common characteristic of many real-world datasets. Many imputation methods have been proposed to address this problem of data incompleteness or sparsity. However, the…

机器学习 · 计算机科学 2022-07-28 Vishwas Choudhary , Binay Gupta , Anirban Chatterjee , Subhadip Paul , Kunal Banerjee , Vijay Agneeswaran

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…

机器学习 · 计算机科学 2023-09-07 Jin Li , Kleanthis Malialis , Marios M. Polycarpou

In a world that constantly changes, it is crucial to understand how those changes impact different systems, such as industrial manufacturing or critical infrastructure. Explaining critical changes, referred to as concept drift in the field…

机器学习 · 计算机科学 2025-10-14 David Komnick , Kathrin Lammers , Barbara Hammer , Valerie Vaquet , Fabian Hinder

Recent advances in computer vision have led to a resurgence of interest in visual data analytics. Researchers are developing systems for effectively and efficiently analyzing visual data at scale. A significant challenge that these systems…

计算机视觉与模式识别 · 计算机科学 2020-09-14 Abhijit Suprem , Joy Arulraj , Calton Pu , Joao Ferreira

Business processes are bound to evolve as a form of adaption to changes, and such changes are referred as process drifts. Current process drift detection methods perform well on clean event log data, but the performance can be tremendously…

软件工程 · 计算机科学 2022-02-23 Yang Lu , Qifan Chen , Simon Poon

Learning from data streams is an increasingly important topic in data mining, machine learning, and artificial intelligence in general. A major focus in the data stream literature is on designing methods that can deal with concept drift, a…

机器学习 · 计算机科学 2018-10-05 Jesse Read