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We formulate a low-storage method for performing dynamic mode decomposition that can be updated inexpensively as new data become available; this formulation allows dynamical information to be extracted from large datasets and data streams.…

流体动力学 · 物理学 2015-06-22 Maziar S. Hemati , Matthew O. Williams , Clarence W. Rowley

Compression is a crucial solution for data reduction in modern scientific applications due to the exponential growth of data from simulations, experiments, and observations. Compression with progressive retrieval capability allows users to…

分布式、并行与集群计算 · 计算机科学 2025-04-08 Zhuoxun Yang , Sheng Di , Longtao Zhang , Ruoyu Li , Ximiao Li , Jiajun Huang , Jinyang Liu , Franck Cappello , Kai Zhao

The popularity of photo sharing services has increased dramatically in recent years. Increases in users, quantity of photos, and quality/resolution of photos combined with the user expectation that photos are reliably stored indefinitely…

图像与视频处理 · 电气工程与系统科学 2019-12-25 Xing Xu , Zahaib Akhtar , Wyatt Lloyd , Antonio Ortega , Ramesh Govindan

Any modern system writes events into files, called log files. Those contain crucial information which are subject to various analyses. Examples range from cybersecurity, intrusion detection over usage analyses to trouble shooting. Before…

机器学习 · 计算机科学 2022-02-02 Nadine Ruecker , Andreas Maier

Large biological datasets are being produced at a rapid pace and create substantial storage challenges, particularly in the domain of high-throughput sequencing (HTS). Most approaches currently used to store HTS data are either unable to…

定量方法 · 定量生物学 2014-03-05 Fabien Campagne , Kevin C. Dorff , Nyasha Chambwe , James T. Robinson , Jill P. Mesirov , Thomas D. Wu

Lossy compression algorithms take advantage of the inherent limitations of the human eye and discard information that cannot be seen. In the present paper, a technique termed as Lossy Data Compression using Logarithm (LDCL) is proposed to…

信息论 · 计算机科学 2016-04-08 Vivek Kumar , Srijita Barthwal , Rishabh Kishore , Ruchika Saklani , Anuj Sharma , Sandeep Sharma

Deep learning accelerators efficiently train over vast and growing amounts of data, placing a newfound burden on commodity networks and storage devices. A common approach to conserve bandwidth involves resizing or compressing data prior to…

机器学习 · 计算机科学 2021-08-13 Michael Kuchnik , George Amvrosiadis , Virginia Smith

The Lempel--Ziv 78 (LZ78) factorization is a well-studied technique for data compression. It and its derivatives are used in compression formats such as "compress" or "gif". Although most research focuses on the factorization of plain data,…

数据结构与算法 · 计算机科学 2025-12-22 Hiroki Shibata , Dominik Köppl

Nowadays, information and communications technology systems are fundamental assets of our social and economical model, and thus they should be properly protected against the malicious activity of cybercriminals. Defence mechanisms are…

密码学与安全 · 计算机科学 2019-08-02 Gonzalo de la Torre-Abaitua , Luis F. Lago-Fernández , David Arroyo

People tend to store a lot of files inside theirs storage. When the storage nears it limit, they then try to reduce those files size to minimum by using data compression software. In this paper we propose a new algorithm for data…

数据结构与算法 · 计算机科学 2012-09-06 I. Made Agus Dwi Suarjaya

LiDAR devices obtain a 3D representation of a space. Due to the large size of the resulting datasets, there already exist storage methods that use compression and present some properties that resemble those of compact data structures.…

数据结构与算法 · 计算机科学 2019-12-30 Susana Ladra , Miguel R. Luaces , José R. Paramá , Fernando Silva-Coira

Clustering attempts to partition data instances into several distinctive groups, while the similarities among data belonging to the common partition can be principally reserved. Furthermore, incomplete data frequently occurs in many…

机器学习 · 计算机科学 2022-08-30 Miao Cheng , Xinge You

JPEG is one of the popular image compression algorithms that provide efficient storage and transmission capabilities in consumer electronics, and hence it is the most preferred image format over the internet world. In the present digital…

计算机视觉与模式识别 · 计算机科学 2019-07-30 Bulla Rajesh , Mohammed Javed , P Nagabhushan

The escalating volume of data involved in Android backup packages necessitates an innovative approach to compression beyond traditional methods like GZIP, which may not fully exploit the redundancy inherent in Android backups, particularly…

信息检索 · 计算机科学 2024-04-16 Jasurbek Shukurov

Log anomaly detection, which is critical for identifying system failures and preempting security breaches, detects irregular patterns within large volumes of log data, and impacts domains such as service reliability, performance…

软件工程 · 计算机科学 2025-11-19 Shenglin Zhang , Ziang Chen , Zijing Que , Yilun Liu , Yongqian Sun , Sicheng Wei , Dan Pei , Hailin Li

To improve the temporal and spatial storage efficiency, researchers have intensively studied various techniques, including compression and deduplication. Through our evaluation, we find that methods such as photo tags or local features help…

分布式、并行与集群计算 · 计算机科学 2016-04-20 Binqi Zhang , Chen Wang , Bing Bing Zhou , Albert Y. Zomaya

Log data provides crucial insights for tasks like monitoring, root cause analysis, and anomaly detection. Due to the vast volume of logs, automated log parsing is essential to transform semi-structured log messages into structured…

机器学习 · 计算机科学 2025-05-16 Viktor Beck , Max Landauer , Markus Wurzenberger , Florian Skopik , Andreas Rauber

High-energy, large-scale particle colliders in nuclear and high-energy physics generate data at extraordinary rates, reaching up to $1$ terabyte and several petabytes per second, respectively. The development of real-time, high-throughput…

人工智能 · 计算机科学 2024-12-03 Xihaier Luo , Samuel Lurvey , Yi Huang , Yihui Ren , Jin Huang , Byung-Jun Yoon

The analysis techniques of system log messages (syslog messages) have a long history from when the syslog mechanism was invented. Typically, the analysis consists of two parts, one is a message template generation, and the other is finding…

其他计算机科学 · 计算机科学 2016-11-11 Keiichi Shima

Software systems generate massive, evolving, semi-structured logs that are central to reliability engineering and AIOps, yet difficult to analyze at scale under drift and limited labels. Recent advances in pretrained Transformer models and…

软件工程 · 计算机科学 2026-05-21 Zeyang Ma , Jinqiu Yang , Tse-Hsun Chen