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47 Results Found

  • Review
  • Open Access
19 Citations
6,473 Views
21 Pages

A Comprehensive Study of HBase Storage Architecture—A Systematic Literature Review

  • Muhammad Umair Hassan,
  • Irfan Yaqoob,
  • Sidra Zulfiqar and
  • Ibrahim A. Hameed

9 January 2021

According to research, generally, 2.5 quintillion bytes of data are produced every day. About 90% of the world’s data has been produced in the last two years alone. The amount of data is increasing immensely. There is a fight to use and store t...

  • Article
  • Open Access
11 Citations
6,586 Views
14 Pages

MHBase: A Distributed Real-Time Query Scheme for Meteorological Data Based on HBase

  • Tinghuai Ma,
  • Xichao Xu,
  • Meili Tang,
  • Yuanfeng Jin and
  • Wenhai Shen

Meteorological technology has evolved rapidly in recent years to provide enormous, accurate and personalized advantages in the public service. Large volumes of observational data are generated gradually by technologies such as geographical remote sen...

  • Article
  • Open Access
4 Citations
3,956 Views
13 Pages

12 September 2018

Big data gathered from real systems, such as public infrastructure, healthcare, smart homes, industries, and so on, by sensor networks contain enormous value, and need to be mined deeply, which depends on a data storing and retrieving service. HBase...

  • Article
  • Open Access
8 Citations
4,229 Views
17 Pages

An Efficient Row Key Encoding Method with ASCII Code for Storing Geospatial Big Data in HBase

  • Quan Xiong,
  • Xiaodong Zhang,
  • Wei Liu,
  • Sijing Ye,
  • Zhenbo Du,
  • Diyou Liu,
  • Dehai Zhu,
  • Zhe Liu and
  • Xiaochuang Yao

Recently, increasing amounts of multi-source geospatial data (raster data of satellites and textual data of meteorological stations) have been generated, which can play a cooperative and important role in many research works. Efficiently storing, org...

  • Article
  • Open Access
6 Citations
4,085 Views
20 Pages

The Time Machine in Columnar NoSQL Databases: The Case of Apache HBase

  • Chia-Ping Tsai,
  • Che-Wei Chang,
  • Hung-Chang Hsiao and
  • Haiying Shen

Not Only SQL (NoSQL) is a critical technology that is scalable and provides flexible schemas, thereby complementing existing relational database technologies. Although NoSQL is flourishing, present solutions lack the features required by enterprises...

  • Article
  • Open Access
11 Citations
4,667 Views
18 Pages

10 September 2018

With the rapid development of mobile devices and sensors, effective searching methods for big spatial data have recently received a significant amount of attention. Owing to their large size, many applications typically store recently generated spati...

  • Article
  • Open Access
5 Citations
3,373 Views
20 Pages

An HBase-Based Optimization Model for Distributed Medical Data Storage and Retrieval

  • Chengzhang Zhu,
  • Zixi Liu,
  • Beiji Zou,
  • Yalong Xiao,
  • Meng Zeng,
  • Han Wang and
  • Ziang Fan

16 February 2023

In medical services, the amount of data generated by medical devices is increasing explosively, and access to medical data is also put forward with higher requirements. Although HBase-based medical data storage solutions exist, they cannot meet the n...

  • Article
  • Open Access
8 Citations
5,902 Views
24 Pages

24 February 2019

In recent years positioning sensors have become ubiquitous, and there has been tremendous growth in the amount of trajectory data. It is a huge challenge to efficiently store and query massive trajectory data. Among the typical operation over traject...

  • Article
  • Open Access
15 Citations
6,196 Views
21 Pages

Vector Spatial Big Data Storage and Optimized Query Based on the Multi-Level Hilbert Grid Index in HBase

  • Hua Jiang,
  • Junfeng Kang,
  • Zhenhong Du,
  • Feng Zhang,
  • Xiangzhi Huang,
  • Renyi Liu and
  • Xuanting Zhang

Faced with the rapid growth of vector data and the urgent requirement of low-latency query, it has become an important and timely challenge to effectively achieve the scalable storage and efficient access of vector big data. However, a systematic met...

  • Article
  • Open Access
1 Citations
1,790 Views
20 Pages

1 November 2024

Hyperspectral infrared atmospheric sounding data, characterized by their high vertical resolution, play a crucial role in capturing three-dimensional atmospheric spatial information. The hyperspectral infrared atmospheric detectors HIRAS/HIRAS-II, mo...

  • Article
  • Open Access
3 Citations
4,747 Views
23 Pages

30 January 2023

Geospatial databases are basic tools to collect, index, and manage georeferenced data indicators in sustainability research for efficient, long-term analysis. NoSQL databases are increasingly applied to manage the ever-growing massive spatial vector...

  • Article
  • Open Access
18 Citations
5,156 Views
17 Pages

3 January 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. However, the factor of data transmission is not...

  • Article
  • Open Access
7 Citations
3,347 Views
16 Pages

Trajectory big data is suitable for distributed storage retrieval due to its fast update speed and huge data volume, but currently there are problems such as hot data writing, storage skew, high I/O overhead and slow retrieval speed. In order to solv...

  • Article
  • Open Access
2 Citations
3,898 Views
19 Pages

27 December 2017

In wireless sensor networks, sensor nodes collect plenty of data for each time period. If all of data are transmitted to a Fusion Center (FC), the power of sensor node would run out rapidly. On the other hand, the data also needs a filter to remove t...

  • Article
  • Open Access
34 Citations
16,827 Views
17 Pages

16 May 2019

The popularization of big data makes the enterprise need to store more and more data. The data in the enterprise’s database must be accessed as fast as possible, but the Relational Database (RDB) has the speed limitation due to the join operati...

  • Article
  • Open Access
55 Citations
8,976 Views
20 Pages

ScienceEarth: A Big Data Platform for Remote Sensing Data Processing

  • Chen Xu,
  • Xiaoping Du,
  • Zhenzhen Yan and
  • Xiangtao Fan

12 February 2020

Mass remote sensing data management and processing is currently one of the most important topics. In this study, we introduce ScienceEarth, a cluster-based data processing framework. The aim of ScienceEarth is to store, manage, and process large-scal...

  • Article
  • Open Access
2,488 Views
17 Pages

Yunnan Province, residing in the eastern segment of the Qinghai–Tibet Plateau and the western part of the Yunnan–Guizhou Plateau, faces significant challenges due to its intricate geological structures and frequent geohazards. These pose...

  • Article
  • Open Access
21 Citations
5,197 Views
21 Pages

Hierarchical Lateral Control Scheme for Autonomous Vehicle with Uneven Time Delays Induced by Vision Sensors

  • Qi Liu,
  • Yahui Liu,
  • Congzhi Liu,
  • Baiming Chen,
  • Wenhao Zhang,
  • Liang Li and
  • Xuewu Ji

3 August 2018

Vision-based sensors are widely used in lateral control of autonomous vehicles, but the large computational cost of the visual algorithms often induces uneven time delays. In this paper, a hierarchical vision-based lateral control scheme is proposed,...

  • Article
  • Open Access
2 Citations
3,689 Views
16 Pages

An Evaluation of Catchment Transit Time Model Parameters: A Comparative Study between Two Stable Isotopes of Water

  • Samuel Bansah,
  • Samuel Ato Andam-Akorful,
  • Jonathan Quaye-Ballard,
  • Matthew Coffie Wilson,
  • Solomon Senyo Gidigasu and
  • Geophrey K. Anornu

Using δ18O and δ2H in mean transit time (MTT) modeling can ensure the verifiability of results across catchments. The main objectives of this study were to (i) evaluate the δ18O- and δ2H-based behavioral transit time distribut...

  • Article
  • Open Access
17 Citations
3,816 Views
23 Pages

11 November 2021

Nowadays, several environmental applications take advantage of remote sensing techniques. A considerable volume of this remote sensing data occurs in near real-time. Such data are diverse and are provided with high velocity and variety, their pre-pro...

  • Article
  • Open Access
177 Citations
32,584 Views
22 Pages

A Cloud-Based Car Parking Middleware for IoT-Based Smart Cities: Design and Implementation

  • Zhanlin Ji,
  • Ivan Ganchev,
  • Máirtín O'Droma,
  • Li Zhao and
  • Xueji Zhang

25 November 2014

This paper presents the generic concept of using cloud-based intelligent car parking services in smart cities as an important application of the Internet of Things (IoT) paradigm. This type of services will become an integral part of a generic IoT op...

  • Protocol
  • Open Access
2 Citations
3,885 Views
16 Pages

3 September 2024

R-loops, structures that play a crucial role in various biological processes, are integral to gene expression, the maintenance of genome stability, and the formation of epigenomic signatures. When these R-loops are deregulated, they can contribute to...

  • Article
  • Open Access
28 Citations
6,355 Views
13 Pages

PIN-PMN-PT Single Crystal 1-3 Composite-based 20 MHz Ultrasound Phased Array

  • Wei Zhou,
  • Tao Zhang,
  • Jun Ou-Yang,
  • Xiaofei Yang,
  • Dawei Wu and
  • Benpeng Zhu

Based on a modified dice-and-fill technique, a PIN-PMN-PT single crystal 1-3 composite with the kerf of 12 μm and pitch of 50 μm was prepared. The as-made piezoelectric composite material behaved with high piezoelectric constant (d33 = 1500 pC/...

  • Article
  • Open Access
1,886 Views
20 Pages

Application of Leak 2D to Describe Preferential Water Flow in a Soil Containing Artificial Macropores

  • Charalampos Paraskevas,
  • Dimitrios Karpouzos and
  • Christos Babajimopoulos

27 June 2023

Leak 2D is a new two-dimensional dual permeability mathematical model for the simulation of the preferential flow in the vadose zone. In this model, water flow in the soil matrix domain is described by the two-dimensional h-based Richards’ equa...

  • Article
  • Open Access
6 Citations
6,327 Views
26 Pages

PlantES: A Plant Electrophysiological Multi-Source Data Online Analysis and Sharing Platform

  • Chao Song,
  • Xiao-Huang Qin,
  • Qiao Zhou,
  • Zi-Yang Wang,
  • Wei-He Liu,
  • Jun Li,
  • Lan Huang,
  • Yang Chen,
  • Guiliang Tang and
  • Zhong-Yi Wang
  • + 1 author

16 November 2018

At present, plant electrophysiological data volumes and complexity are increasing rapidly. It causes the demand for efficient management of big data, data sharing among research groups, and fast analysis. In this paper, we proposed PlantES (Plant Ele...

  • Article
  • Open Access
20 Citations
9,968 Views
18 Pages

2 January 2019

The large amount of programmable logic controller (PLC) sensing data has rapidly increased in the manufacturing environment. Therefore, a large data store is necessary for Big Data platforms. In this paper, we propose a Hadoop ecosystem for the suppo...

  • Article
  • Open Access
9 Citations
4,381 Views
19 Pages

24 October 2019

Factories of the future are foreseen to evolve into smart factories with autonomous and adaptive manufacturing processes. However, the increasing complexity of the network of manufacturing processes is expected to complicate the rapid detection of pr...

  • Article
  • Open Access
2 Citations
4,157 Views
15 Pages

Massive Data Management and Sharing Module for Connectome Reconstruction

  • Jingbin Yuan,
  • Jing Zhang,
  • Lijun Shen,
  • Dandan Zhang,
  • Wenhuan Yu and
  • Hua Han

Recently, with the rapid development of electron microscopy (EM) technology and the increasing demand of neuron circuit reconstruction, the scale of reconstruction data grows significantly. This brings many challenges, one of which is how to effectiv...

  • Article
  • Open Access
1,137 Views
20 Pages

2 September 2025

The emergence of mass personalized production has increased the adaptability and intelligence requirements of welding robots. To address the challenges associated with mass personalized production, this paper proposes a novel knowledge-driven framewo...

  • Article
  • Open Access
6 Citations
2,632 Views
13 Pages

Diesel spills in freshwater systems have adverse impacts on the water quality and the shore wetland. Microbial degradation is the major and ultimate natural mechanism that can clean the diesel from the environment. However, which, and how fast, diese...

  • Article
  • Open Access
6 Citations
2,206 Views
21 Pages

25 July 2023

In order to improve the air pollution problem in northern China in winter, coal-to-electricity (CtE) projects are being vigorously implemented. Although the CtE project has a positive effect on alleviating air pollution and accelerating clean energy...

  • Article
  • Open Access
17 Citations
4,286 Views
24 Pages

In recent years, with the widespread use of location-aware handheld devices and the development of wireless networks, trajectory data have shown a trend of rapid growth in data volume and coverage, which has led to the prosperous development of locat...

  • Article
  • Open Access
13 Citations
4,312 Views
19 Pages

25 December 2020

Chinese jujube (Ziziphus jujuba Mill.) is a native fruit crop in China. Leaf mottle and dapple fruit disease is prevalent in cultivated jujube plants grown at Aksu in Xinjiang Uygur Autonomous Region of China. Jujube yellow mottle-associated virus (J...

  • Article
  • Open Access
132 Citations
12,741 Views
17 Pages

4 May 2018

The prediction of internal defects of metal casting immediately after the casting process saves unnecessary time and money by reducing the amount of inputs into the next stage, such as the machining process, and enables flexible scheduling. Cyber-phy...

  • Article
  • Open Access
4 Citations
5,011 Views
25 Pages

25 November 2020

With the rapid development of the Internet of Things (IoT) technology, diversified applications deploy extensive sensors to monitor objects, such as PM2.5 air quality monitoring. The sensors transmit data to the server periodically and continuously....

  • Article
  • Open Access
3 Citations
2,733 Views
23 Pages

12 August 2021

Voltage source converter (VSC) based HVDC systems are one of the most promising technologies for high voltage bulk power transmission. The reliability and stability of a VSC-based HVDC system greatly depends on the design of a proper controller for t...

  • Article
  • Open Access
34 Citations
9,032 Views
16 Pages

20 July 2018

The Landsat archives have been made freely available in 2008, allowing the production of high resolution built-up maps at the regional or global scale. In this context, most of the classification algorithms rely on supervised learning to tackle the h...

  • Article
  • Open Access
6 Citations
1,993 Views
23 Pages

This paper focuses on fractional-order modeling and the design of a robust speed controller for a nonlinear system. An induction motor (IM), widely used in Electrical Vehicles (EVs), is preferred in this study as a well-known nonlinear system. The ma...

  • Article
  • Open Access
4 Citations
2,648 Views
22 Pages

24 November 2023

Smart cities provide integrated management and operation of urban data emerging within a city, supplying the infrastructure for smart city services and resolving various urban challenges. Nevertheless, cities continue to grapple with substantial issu...

  • Article
  • Open Access
8 Citations
4,539 Views
19 Pages

14 January 2020

During the exploration and visualization of big spatio-temporal data, massive volume poses a number of challenges to the achievement of interactive visualization, including large memory consumption, high rendering delay, and poor visual effects. Rese...

  • Proceeding Paper
  • Open Access
4 Citations
2,697 Views
10 Pages

Simulation of Low-Frequency Sonophoretic Piezoelectric Transducer Applied over Human Skin

  • Sehreen Moorat,
  • Ahsan Ahmed Ursani,
  • Aftab Memon,
  • Nashrul Fazli Mohd Nasir and
  • Bhawani S. Chowdhry

Sonophoresis is the process that involves the passage of drug molecules through the skin under ultrasonic stimulation. Drugs with a molecular weight greater than 500 daltons require some kind of stimulus to catalyze their penetration into the skin. L...

  • Article
  • Open Access
1 Citations
1,281 Views
16 Pages

4 October 2025

Nitrogen (N) and phosphorus (P) play vital roles in crop growth. However, conventional fertilizers exhibit low utilization efficiency, making them prone to causing resource wastage and water eutrophication. Although metal–organic frameworks (MO...

  • Article
  • Open Access
2,670 Views
25 Pages

Many cloud services are relying on distributed key-value stores such as ZooKeeper, Cassandra, HBase, etc. However, distributed key-value stores are notoriously difficult to design and implement without any mistakes. Because data consistency is the co...

  • Review
  • Open Access
1 Citations
2,156 Views
31 Pages

A Taxonomy of Robust Control Techniques for Hybrid AC/DC Microgrids: A Review

  • Pooya Parvizi,
  • Alireza Mohammadi Amidi,
  • Mohammad Reza Zangeneh,
  • Jordi-Roger Riba and
  • Milad Jalilian

6 October 2025

Hybrid AC/DC microgrids have emerged as a promising solution for integrating diverse renewable energy sources, enhancing efficiency, and strengthening resilience in modern power systems. However, existing control schemes exhibit critical shortcomings...

  • Article
  • Open Access
14 Citations
5,065 Views
22 Pages

Estimating Artificial Impervious Surface Percentage in Asia by Fusing Multi-Temporal MODIS and VIIRS Nighttime Light Data

  • Fanggang Li,
  • Erzhu Li,
  • Ce Zhang,
  • Alim Samat,
  • Wei Liu,
  • Chunmei Li and
  • Peter M. Atkinson

9 January 2021

Impervious surfaces have important effects on the natural environment, including promoting hydrological run-off and impeding evapotranspiration, as well as increasing the urban heat island effect. Obtaining accurate and timely information on the spat...

  • Article
  • Open Access
37 Citations
9,907 Views
18 Pages

27 May 2019

Urbanization poses significant challenges on sustainable development, disaster resilience, climate change mitigation, and environmental and resource management. Accurate urban extent datasets at large spatial scales are essential for researchers and...

  • Article
  • Open Access
4 Citations
3,692 Views
50 Pages

An Analytical Framework on Utilizing Various Integrated Multi-Trophic Scenarios for Basil Production

  • Ștefan-Mihai Petrea,
  • Ira Adeline Simionov,
  • Alina Antache,
  • Aurelia Nica,
  • Lăcrămioara Oprica,
  • Anca Miron,
  • Cristina Gabriela Zamfir,
  • Mihaela Neculiță,
  • Maricel Floricel Dima and
  • Dragoș Sebastian Cristea

25 January 2023

Here, we aim to improve the overall sustainability of aquaponic basil (Ocimum basilicum L.)-sturgeon (Acipenser baerii) integrated recirculating systems. We implement new AI methods for operational management together with innovative solutions for pl...