Results 81 to 90 of about 1,419 (211)

Efficient Historical Query in HBase for Spatio-Temporal Decision Support [PDF]

open access: yes, 2016
Comparing to last decade, technologies to gather spatio-temporal data are more and more developed and easy to use or deploy, thus tens of billions, even trillions of sensed data are accumulated, which poses a challenge to spatio-temporal Decision Support
Xiao, Weidong   +3 more
core  

Supporting Efficient Family Joins for Big Data Tables via Multiple Freedom Family Index

open access: yesIEEE Access
The Hadoop/MapReduce framework has been widely utilized for processing big data. To overcome the limitations of existing work and meet the growing requirements of querying big data, this paper introduces novel join operations, called family joins, for ...
Qiang Zhu, Chao Zhu
doaj   +1 more source

Improvement of operation and maintenance efficiency of power transformers based on knowledge graphs

open access: yesIET Electric Power Applications, Volume 18, Issue 6, Page 643-655, June 2024.
Abstract Currently, the digital transformation of the power grid is underway, and the intelligent health management technology for power transformers is rapidly advancing. However, there are issues in the operation and maintenance process, such as weak information correlation and low decision‐making efficiency.
Jun Yang, Qi Meng, Xixiang Zhang
wiley   +1 more source

Design and implementation of a sensor data access service over HBase for intelligent cities

open access: yes, 2014
碩士隨著資訊量大幅的增加,雲端服務的技術慢慢的被人們所重視,業者為了解決這種TB或是PB等級以上的巨量資料儲存和擴充的問題,開始研發各種成本較低的分散式開源資料庫,像是Google Bigtable、Yahoo、Amazon和Azure雲端平台都開始投入NoSQL資料庫的研發,主要在這篇論文中我們會探討Apache HBase這種NoSQL資料庫類型,探討它以Column-oriented為主的資料存取服務以及Apache Hadoop平台的HDFS檔案系統進行資料儲存 ...
黃韋勳; Huang, Wei-Hsun
core  

Enhancing Data Processing on Clouds with Hadoop/HBase [PDF]

open access: yes, 2011
In the current information age, large amounts of data are being generated and accumulated rapidly in various industrial and scientific domains. This imposes important demands on data processing capabilities that can extract sensible and valuable ...
Zhang, Chen
core  

Causal Assessment of Income Inequality on Self‐Rated Health and All‐Cause Mortality: A Systematic Review and Meta‐Analysis

open access: yesThe Milbank Quarterly, Volume 102, Issue 1, Page 141-182, March 2024.
Policy Points Income is thought to impact a broad range of health outcomes. However, whether income inequality (how unequal the distribution of income is in a population) has an additional impact on health is extensively debated. Studies that use multilevel data, which have recently increased in popularity, are necessary to separate the contextual ...
MICHAL SHIMONOVICH   +9 more
wiley   +1 more source

Comparative study for load management of HBase and Cassandra distributed databases in big data [PDF]

open access: yes, 2018
The advancement in cloud computing, the increasing size of databases and the emergence of big data have made traditional data management system to be insufficient solution to store and manage such large-scale data.
Al-Dailamy, Ali Y.   +3 more
core   +1 more source

THBase: A Coprocessor-Based Scheme for Big Trajectory Data Management

open access: yesFuture Internet, 2019
The rapid development of distributed technology has made it possible to store and query massive trajectory data. As a result, a variety of schemes for big trajectory data management have been proposed.
Jiwei Qin, Liangli Ma, Jinghua Niu
doaj   +1 more source

HBaSI - HBase schema inference tool:Uma ferramenta para extração de esquemas de bancos de dados NoSQL colunares [PDF]

open access: yes, 2019
TCC(graduação) - Universidade Federal de Santa Catarina. Centro Tecnológico. Ciências da Computação.Bancos de Dados (BDs) NoSQL estão ganhando espaço no mercado por serem adequados ao processamento de grande volume de dados e não exigirem a definição ...
Defreyn, Eduardo Dias
core  

Mapping large scale research metadata to linked data: A performance comparison of HBase, CSV and XML

open access: yes, 2022
S.261-273OpenAIRE, the Open Access Infrastructure for Research in Europe, comprises a database of all EC FP7 and H2020 funded research projects, including metadata of their results (publications and datasets).
Karim, Farah   +3 more
core   +1 more source

Home - About - Disclaimer - Privacy