中文
相关论文

相关论文: A Synthetic Benchmark to Explore Limitations of Lo…

200 篇论文

Concept drift -- the change of the distribution over time -- poses significant challenges for learning systems and is of central interest for monitoring. Understanding drift is thus paramount, and drift localization -- determining which…

机器学习 · 计算机科学 2026-04-22 Fabian Hinder , Valerie Vaquet , Johannes Brinkrolf , Barbara Hammer

Adapting to drifting data streams is a significant challenge in online learning. Concept drift must be detected for effective model adaptation to evolving data properties. Concept drift can impact the data distribution entirely or…

机器学习 · 计算机科学 2023-12-12 Gabriel J. Aguiar , Alberto Cano

Concept drift is formally defined as the change in joint distribution of a set of input variables X and a target variable y. The two types of drift that are extensively studied are real drift and virtual drift where the former is the change…

机器学习 · 计算机科学 2019-11-12 Chang How Tan , Vincent CS Lee , Mahsa Salehi

Concept drift and label scarcity are two critical challenges limiting the robustness of predictive models in dynamic industrial environments. Existing drift detection methods often assume global shifts and rely on dense supervision, making…

机器学习 · 统计学 2025-11-05 Junghee Pyeon , Davide Cacciarelli , Kamran Paynabar

Concept drift refers to the change of data distributions over time. While drift poses a challenge for learning models, requiring their continual adaption, it is also relevant in system monitoring to detect malfunctions, system failures, and…

机器学习 · 计算机科学 2025-02-07 Fabian Hinder , Valerie Vaquet , Barbara Hammer

The world surrounding us is subject to constant change. These changes, frequently described as concept drift, influence many industrial and technical processes. As they can lead to malfunctions and other anomalous behavior, which may be…

机器学习 · 计算机科学 2023-10-25 Fabian Hinder , Valerie Vaquet , Barbara Hammer

There exists a large body of work on online drift detection with the goal of dynamically finding and maintaining changes in data streams. In this paper, we adopt a query-based approach to drift detection. Our approach relies on {\em a drift…

数据结构与算法 · 计算机科学 2016-05-16 Sofia Kleisarchaki , Sihem Amer-Yahia , Ahlame Douzal-Chouakria , Vassilis Christophides

The notion of drift refers to the phenomenon that the distribution, which is underlying the observed data, changes over time. Albeit many attempts were made to deal with drift, formal notions of drift are application-dependent and…

机器学习 · 计算机科学 2019-12-05 Fabian Hinder , André Artelt , Barbara Hammer

Concept drift describes unforeseeable changes in the underlying distribution of streaming data over time. Concept drift research involves the development of methodologies and techniques for drift detection, understanding and adaptation.…

机器学习 · 计算机科学 2020-04-14 Jie Lu , Anjin Liu , Fan Dong , Feng Gu , Joao Gama , Guangquan Zhang

Drift in machine learning refers to the phenomenon where the statistical properties of data or context, in which the model operates, change over time leading to a decrease in its performance. Therefore, maintaining a constant monitoring…

计算与语言 · 计算机科学 2023-09-08 Saeed Khaki , Akhouri Abhinav Aditya , Zohar Karnin , Lan Ma , Olivia Pan , Samarth Marudheri Chandrashekar

Concept drift is the phenomenon in which the underlying data distributions and statistical properties of a target domain change over time, leading to a degradation in model performance. Consequently, production models require continuous…

机器学习 · 计算机科学 2025-08-07 Salvatore Greco , Bartolomeo Vacchetti , Daniele Apiletti , Tania Cerquitelli

The notion of concept drift refers to the phenomenon that the distribution, which is underlying the observed data, changes over time; as a consequence machine learning models may become inaccurate and need adjustment. Many unsupervised…

机器学习 · 计算机科学 2022-02-22 Fabian Hinder , Valerie Vaquet , Barbara Hammer

Uncertain changes in data streams present challenges for machine learning models to dynamically adapt and uphold performance in real-time. Particularly, classification boundary change, also known as real concept drift, is the major cause of…

机器学习 · 计算机科学 2024-05-24 Feng Gu , Jie Lu , Zhen Fang , Kun Wang , Guangquan Zhang

Detecting drifts in data is essential for machine learning applications, as changes in the statistics of processed data typically has a profound influence on the performance of trained models. Most of the available drift detection methods…

机器学习 · 计算机科学 2024-10-28 Andrea Castellani , Sebastian Schmitt , Barbara Hammer

Classifiers operating in a dynamic, real world environment, are vulnerable to adversarial activity, which causes the data distribution to change over time. These changes are traditionally referred to as concept drift, and several approaches…

机器学习 · 计算机科学 2018-03-28 Tegjyot Singh Sethi , Mehmed Kantardzic

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…

机器学习 · 计算机科学 2022-05-16 Fabian Hinder , André Artelt , Valerie Vaquet , Barbara Hammer

The notion of concept drift refers to the phenomenon that the distribution, which is underlying the observed data, changes over time. We are interested in an identification of those features, that are most relevant for the observed drift.…

机器学习 · 计算机科学 2020-12-02 Fabian Hinder , Jonathan Jakob , Barbara Hammer

The notion of concept drift refers to the phenomenon that the distribution generating the observed data changes over time. If drift is present, machine learning models can become inaccurate and need adjustment. While there do exist methods…

机器学习 · 计算机科学 2023-03-17 Fabian Hinder , Valerie Vaquet , Johannes Brinkrolf , Barbara Hammer

The problem of data non-stationarity is commonly addressed in data stream processing. In a dynamic environment, methods should continuously be ready to analyze time-varying data -- hence, they should enable incremental training and respond…

机器学习 · 计算机科学 2026-05-29 Joanna Komorniczak

The notion of concept drift refers to the phenomenon that the distribution, which is underlying the observed data, changes over time; as a consequence machine learning models may become inaccurate and need adjustment. While there do exist…

机器学习 · 计算机科学 2020-06-24 Fabian Hinder , Barbara Hammer
‹ 上一页 1 2 3 10 下一页 ›