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Modern astronomical data processing requires complex software pipelines to process ever growing datasets. For radio astronomy, these pipelines have become so large that they need to be distributed across a computational cluster. This makes…

天体物理仪器与方法 · 物理学 2018-07-17 Alexandar P. Mechev , Aske Plaat , J. B. Raymond Oonk , Huib T. Intema , Huub J. A. Röttgering

The Sloan Digital Sky Survey Science Archive is the first in a series of multi-Terabyte digital archives in Astronomy and other data-intensive sciences. To facilitate data mining in the SDSS archive, we adapted a commercial database engine…

数据库 · 计算机科学 2007-05-23 Aniruddha R. Thakar , Alexander S. Szalay , Peter Z. Kunszt , Jim Gray

Multi-criteria decision making has been made possible with the advent of skyline queries. However, processing such queries for high dimensional datasets remains a time consuming task. Real-time applications are thus infeasible, especially…

数据库 · 计算机科学 2011-06-13 Arnab Bhattacharya , B. Palvali Teja , Sourav Dutta

It is now cost-effective to outsource large dataset and perform query over the cloud. However, in this scenario, there exist serious security and privacy issues that sensitive information contained in the dataset can be leaked. The most…

数据库 · 计算机科学 2020-02-25 Weiguo Wang , Hui Li , Yanguo Peng , Sourav S Bhowmick , Peng Chen , Xiaofeng Chen , Jiangtao Cui

Workloads that comb through vast amounts of data are gaining importance in the sciences. These workloads consist of "needle in a haystack" queries that are long running and data intensive so that query throughput limits performance. To…

数据库 · 计算机科学 2009-09-15 Xiaodan Wang , Randal Burns , Tanu Malik

In recent years, resource elasticity and cost optimization have become essential for RDBMSs. While cloud-native RDBMSs provide elastic computing resources via disaggregated computing and storage, storage costs remain a critical user…

分布式、并行与集群计算 · 计算机科学 2025-11-26 Qingda Hu , Xinjun Yang , Feifei Li , Junru Li , Ya Lin , Yuqi Zhou , Yicong Zhu , Junwei Zhang , Rongbiao Xie , Ling Zhou , Bin Wu , Wenchao Zhou

Advances in technology and computing hardware are enabling scientists from all areas of science to produce massive amounts of data using large-scale simulations or observational facilities. In this era of data deluge, effective coordination…

数据库 · 计算机科学 2015-03-31 Spyros Blanas , Surendra Byna

In cloud environments, load balancing task scheduling is an important issue that directly affects resource utilization. Unquestionably, load balancing scheduling is a serious aspect that must be considered in the cloud research field due to…

分布式、并行与集群计算 · 计算机科学 2018-06-04 Thanaa S. Alnusairi , Ashraf A. Shahin , Yassine Daadaa

Hosting database services on cloud systems has become a common practice. This has led to the increasing volume of database workloads, which provides the opportunity for pattern analysis. Discovering workload patterns from a business logic…

数据库 · 计算机科学 2023-07-07 Jiaqi Wang , Tianyi Li , Anni Wang , Xiaoze Liu , Lu Chen , Jie Chen , Jianye Liu , Junyang Wu , Feifei Li , Yunjun Gao

To fulfill the requirements of space object cataloging and enable automated intelligent responses to anomalous events, we designed a novel observation scheduling system named Sky Survey Schedule (SSS). This framework facilitates coordinated…

天体物理仪器与方法 · 物理学 2025-09-04 Kai-Tian Yuan , Hou-Yuan Lin

In the current data-driven science era, it is needed that data analysis techniques has to quickly evolve to face with data whose dimensions has increased up to the Petabyte scale. In particular, being modern astrophysics based on…

天体物理仪器与方法 · 物理学 2017-06-14 Giuseppe Riccio , Massimo Brescia , Stefano Cavuoti , Amata Mercurio , Anna Maria Di Giorgio , Sergio Molinari

Astronomy and astrophysics are witnessing dramatic increases in data volume as detectors, telescopes and computers become ever more powerful. During the last decade, sky surveys across the electromagnetic spectrum have collected hundreds of…

天体物理仪器与方法 · 物理学 2014-11-20 Jacob T. VanderPlas , Andrew J. Connolly , Zeljko Ivezic , Alex Gray

Astronomy is entering a new era as multiple, large area, digital sky surveys are in production. The resulting datasets are truly remarkable in their own right; however, a revolutionary step arises in the aggregation of complimentary…

天体物理学 · 物理学 2007-05-23 R. J Brunner , T. Prince , J. Good , T. Handley , C. Lonsdale , S. G. Djorgovski

Modern frameworks for training large foundation models (LFMs) employ dataloaders in a data-parallel manner, with each loader processing a disjoint subset of training data. When preparing data for LFM training that originates from multiple,…

分布式、并行与集群计算 · 计算机科学 2026-04-28 Juntao Zhao , Qi Lu , Wei Jia , Borui Wan , Lei Zuo , Junda Feng , Jianyu Jiang , Yangrui Chen , Shuaishuai Cao , Jialing He , Kaihua Jiang , Yuanzhe Hu , Shibiao Nong , Yanghua Peng , Haibin Lin , Chuan Wu

The new NASA Astrophysics Data System (ADS) is designed with a serviceoriented architecture (SOA) that consists of multiple customized Apache Solr search engine instances plus a collection of microservices, containerized using Docker, and…

A growing number of Machine Learning Frameworks recently made Deep Learning accessible to a wider audience of engineers, scientists, and practitioners, by allowing straightforward use of complex neural network architectures and algorithms.…

机器学习 · 计算机科学 2022-12-08 Ivan Svogor , Christian Eichenberger , Markus Spanring , Moritz Neun , Michael Kopp

Recently, MapReduce based spatial query systems have emerged as a cost effective and scalable solution to large scale spatial data processing and analytics. MapReduce based systems achieve massive scalability by partitioning the data and…

数据库 · 计算机科学 2015-09-04 Ablimit Aji , Vo Hoang , Fusheng Wang

Scientific communities naturally tend to organize around data ecosystems created by the combination of their observational devices, their data repositories, and the workflows essential to carry their research from observation to discovery.…

网络与互联网体系结构 · 计算机科学 2021-06-30 Mark Asch , François Bodin , Micah Beck , Terry Moore , Michela Taufer , Martin Swany , Jean-Pierre Vilotte

Cloud and big data workloads are increasingly distributing data across multiple cloud providers and regions for rapid decision-making and analytics. Traditional transfer tools are typically specialized for a single paradigm, either stream…

分布式、并行与集群计算 · 计算机科学 2026-03-24 Muhammad Arslan Tariq , Grégoire Danoy , Pascal Bouvry

The latest generation of radio astronomy interferometers will conduct all sky surveys with data products consisting of petabytes of spectral line data. Traditional approaches to identifying and parameterising the astrophysical sources…

天体物理仪器与方法 · 物理学 2014-07-21 Stefan Westerlund , Christopher Harris