English
Related papers

Related papers: Describing Nonstationary Data Streams in Frequency…

200 papers

Given $m$ distributed data streams $A_1, \dots, A_m$, we consider the problem of estimating the number of unique identifiers in streams defined by set expressions over $A_1, \dots, A_m$. We identify a broad class of algorithms for solving…

Data Structures and Algorithms · Computer Science 2016-02-25 Anirban Dasgupta , Kevin Lang , Lee Rhodes , Justin Thaler

The distribution of streaming data often changes over time as conditions change, a phenomenon known as concept drift. Only a subset of previous experience, collected in similar conditions, is relevant to learning an accurate classifier for…

Machine Learning · Computer Science 2024-08-20 Ben Halstead , Yun Sing Koh , Patricia Riddle , Mykola Pechenizkiy , Albert Bifet

In this research, we apply ensembles of Fourier encoded spectra to capture and mine recurring concepts in a data stream environment. Previous research showed that compact versions of Decision Trees can be obtained by applying the Discrete…

Artificial Intelligence · Computer Science 2015-04-27 Sripirakas Sakthithasan , Russel Pears , Albert Bifet , Bernhard Pfahringer

Unlabeled streaming data are usually collected to describe dynamic systems, where concept drift detection is a vital prerequisite to understanding the evolution of systems. However, the drifting concepts are usually imbalanced in most real…

Machine Learning · Computer Science 2026-03-10 Yiqun Zhang , Zhanpei Huang , Mingjie Zhao , Chuyao Zhang , Yang Lu , Yuzhu Ji , Fangqing Gu , An Zeng

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

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

Mining data streams is one of the main studies in machine learning area due to its application in many knowledge areas. One of the major challenges on mining data streams is concept drift, which requires the learner to discard the current…

Machine Learning · Computer Science 2023-04-20 Jean Paul Barddal , Heitor Murilo Gomes , Fabrício Enembreck

This paper addresses the problem of segmenting a stream of graph signals: we aim to detect changes in the mean of a multivariate signal defined over the nodes of a known graph. We propose an offline method that relies on the concept of…

Machine Learning · Computer Science 2024-03-01 Alejandro de la Concha , Nicolas Vayatis , Argyris Kalogeratos

In this work, we explore the usage of the Frequency Transformation for reducing the domain shift between the source and target domain (e.g., synthetic image and real image respectively) towards solving the Domain Adaptation task. Most of…

Computer Vision and Pattern Recognition · Computer Science 2024-07-30 Vikash Kumar , Himanshu Patil , Rohit Lal , Anirban Chakraborty

Domain alignment refers broadly to learning correspondences between data distributions from distinct domains. In this work, we focus on a setting where domains share underlying structural patterns despite differences in their specific…

Machine Learning · Computer Science 2026-01-06 Julie Keisler , Anastase Alexandre Charantonis , Yannig Goude , Boutheina Oueslati , Claire Monteleoni

Machine learning models in dynamic environments often suffer from concept drift, where changes in the data distribution degrade performance. While detecting this drift is a well-studied topic, explaining how and why the model's…

Machine Learning · Computer Science 2025-09-12 Ignacy Stępka , Jerzy Stefanowski

Intruders detection in computer networks has some deficiencies from machine learning approach, given by the nature of the application. The principal problem is the modest display of detection systems based on learning algorithms under the…

Data Structures and Algorithms · Computer Science 2017-01-05 Jorge Luis Rivero Pérez , Bernardete Ribeiro , Kadir Hector Ortiz

Recommender systems are widely used in various real-world applications, but they often encounter the persistent challenge of the user cold-start problem. Cross-domain recommendation (CDR), which leverages user interactions from one domain…

Information Retrieval · Computer Science 2025-02-13 Hourun Li , Yifan Wang , Zhiping Xiao , Jia Yang , Changling Zhou , Ming Zhang , Wei Ju

This paper addresses the problem of change-point detection on sequences of high-dimensional and heterogeneous observations, which also possess a periodic temporal structure. Due to the dimensionality problem, when the time between…

Machine Learning · Statistics 2019-03-25 Pablo Moreno-Muñoz , David Ramírez , Antonio Artés-Rodríguez

Modern technological advances have expanded the scope of applications requiring analysis of large-scale datastreams that comprise multiple indefinitely long time series. There is an acute need for statistical methodologies that perform…

Methodology · Statistics 2021-11-03 Jingshen Wang , Lilun Du , Changliang Zou , Zhenke Wu

This paper introduces a scheme for data stream processing which is robust to batch duration. Streaming frameworks process streams in batches retrieved at fixed time intervals. In a common setting a pattern recognition algorithm is applied…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-02-20 David Tolpin

We consider sequential change-point detection in parallel data streams, where each stream has its own change point. Once a change is detected in a data stream, this stream is deactivated permanently. The goal is to maximize the normal…

Statistics Theory · Mathematics 2021-07-15 Yunxiao Chen , Xiaoou Li

Most density based stream clustering algorithms separate the clustering process into an online and offline component. Exact summarized statistics are being employed for defining micro-clusters or grid cells during the online stage followed…

Databases · Computer Science 2016-12-09 Andrei Sorin Sabau

Identifying meaningful concepts in large data sets can provide valuable insights into engineering design problems. Concept identification aims at identifying non-overlapping groups of design instances that are similar in a joint space of…

Machine Learning · Computer Science 2023-11-15 Felix Lanfermann , Sebastian Schmitt , Patricia Wollstadt

Pre-trained diffusion models have demonstrated remarkable proficiency in synthesizing images across a wide range of scenarios with customizable prompts, indicating their effective capacity to capture universal features. Motivated by this,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-22 Yuxiang Ji , Boyong He , Chenyuan Qu , Zhuoyue Tan , Chuan Qin , Liaoni Wu
‹ Prev 1 8 9 10 Next ›