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Big Data Processing and Intelligent Analysis System for Students' Learning State Based on PaddlePaddle

2021 International Journal of New Developments in Education  
Based on the idea of distributed scalability, big data processing architecture for large-scale data acquisition, storage and analysis is designed.  ...  Based on the software and hardware of Baidu PaddlePaddle, the intelligent subsystem of feature extraction, face recognition and learning state recognition in the process of teaching process is built.  ...  in system testing.  ... 
doi:10.25236/ijnde.2021.030605 fatcat:u5xoqd4ayfeltpn2knmqxjeufy

Cloud Storage Optimization Analysis with Energy Consumption and Life Cycle

Li Yonghong, Zhou Na, Zhao Guofeng
2016 International Journal of Grid and Distributed Computing  
It applies cloud testing with cloud scheme to test node visiting performance in different physical positions.  ...  scale is huge and storage content is variable, so traditional performance evaluation and testing method are no suitable for cloud storage platform.  ...  (that is supply as needed, rapid elasticity configuration, big access scale and wide distribution; high parallel/high throughput, balance of computing and IO demand, large total quantity and rapid expansion  ... 
doi:10.14257/ijgdc.2016.9.10.04 fatcat:pvzcdgnvrfhk3cccv5x4mxekqq

The German experience with integrating photovoltaic systems into the low-voltage grids

Benjamin Bayer, Patrick Matschoss, Heiko Thomas, Adela Marian
2018 Renewable Energy  
The integration of rooftop photovoltaic systems in the low-voltage distribution grids has become a major international trend, helped by the sinking prices for photovoltaics.  ...  This paper therefore analyzes the substantial practical experiences of ten representative German distribution system operators, who play a leading role in this field.  ...  Acknowledgement We are very grateful to the participating distribution system operators for their time during the interviews and for their valuable comments on this paper.  ... 
doi:10.1016/j.renene.2017.11.045 fatcat:4inlxmuizvbj3kqoo3cgwzms24

Survey of Big Data Storage Technology

Wang Weichen
2016 Internet of Things and Cloud Computing  
By researching and summarizing main processing technology of data storage, this paper respectively investigates and analyzes the following four aspects: distributed file system, NoSQL database, database  ...  This paper summarizes file segmentation, appropriate scenarios and merits and faults of distributed file system, and mainly analyzes and summarizes the theories and appropriate scenarios of four data storage  ...  Database all-in-one machine adopt fully distributed big data processing architecture, integrating the hardware and software in a system.  ... 
doi:10.11648/j.iotcc.20160403.13 fatcat:smqpps4jsnginehknxxbf4cvny

Hard and soft bounds in the evolution of Ubuntu packages. A lesson for species body masses? [article]

Marco Gherardi, Salvatore Mandrà, Bruno Bassetti, Marco Cosentino Lagomarsino
2013 arXiv   pre-print
Open-source software is a complex system; its development depends on the self-coordinated action of a large number of agents.  ...  This study follows the size of the building blocks, called "packages", of the Ubuntu Linux operating system over its entire history.  ...  Here, we consider the dynamics of package size in a widely used GNU/Linux system, the Debian-based Ubuntu distribution (  ... 
arXiv:1303.0011v1 fatcat:rvabgmvnfjconcn6q6jhrn2oqi

Evidence for soft bounds in Ubuntu package sizes and mammalian body masses

M. Gherardi, S. Mandra, B. Bassetti, M. Cosentino Lagomarsino
2013 Proceedings of the National Academy of Sciences of the United States of America  
Here, we consider the dynamics of package size in a widely used GNU/ Linux system, the Debian-based Ubuntu distribution (www.ubuntu. com/project).  ...  The development of a complex system depends on the selfcoordinated action of a large number of agents, often determining unexpected global behavior.  ...  Here, we consider the dynamics of package size in a widely used GNU/ Linux system, the Debian-based Ubuntu distribution (www.ubuntu. com/project).  ... 
doi:10.1073/pnas.1311124110 pmid:24324175 pmcid:PMC3876239 fatcat:qg6e5vvdk5ccndn5we565tkeaa

Evolution of Autonomous Decentralized Systems for Information and Control

Motohisa FUNABASHI, Katsumi KAWANO, Shigetoshi SAMESHIMA, Hiromitsu KATO
2008 SICE Journal of Control Measurement and System Integration  
meeting large-scale ever-changing plants with capabilities enabling collaboration between stakeholders as well as integration of ubiquitous devices.  ...  The autonomous decentralized system concept was born in the late 1970s stimulated by the emergence of microprocessors, which suggested a decentralized information and control system architecture with a  ...  The SDO study was supported in part under the name "Study on Ubiquitous Information Society by Transdisciplinary Science" by a grant from the Special Coordination Funds for Promoting Science and Technology  ... 
doi:10.9746/jcmsi.1.184 fatcat:ewd6l2b22jhk5ejjv7m2ucg5xm

Computational Cosmology and Astrophysics on Adaptive Meshes using Charm++ [article]

James Bordner, Michael L. Norman
2018 arXiv   pre-print
Astrophysical and cosmological phenomena involve a large variety of physical processes, and can encompass an enormous range of scales.  ...  Cello's scalability is enabled by the Charm++ Parallel Programming System, whose data-driven asynchronous execution model is ideal for taking advantage of the available but irregular parallelism in adaptive  ...  Fig. 6 . 6 Weak (dashed line) and strong (solid line) scaling of a basic cosmology simulation (uniform grid with hydrodynamics plus dark matter) on up to 128K cores. Fig. 1.  ... 
arXiv:1810.01319v1 fatcat:ovi5wyzckjhbrfou5ig4rlzxaa

Combined research and curriculum development for power plant intelligent distributed control

K.Y. Lee, R.M. Edwards, T. Hiyama
1999 IEEE transactions on energy conversion  
real-time performance of large scale power plant simulations using UNIX network programming, 2) distributed implementation of advanced controller programming in an architecture of workstation and microprocessor-based  ...  New graduate courses on 1) Power Plant Dynamics and Control and 2) Power Plant Intelligent Distributed Control were developed and presented.  ...  controls as part of an intelligent control structure for a large scale system.  ... 
doi:10.1109/60.790958 fatcat:jw3mlja4ibe55f4wthyc6bdrrm

Application of the First Replica Controller in Korean Power Systems

Jiyoung Song, Seungchan Oh, Jaegul Lee, Jeonghoon Shin, Gilsoo Jang
2020 Energies  
Four representative practical cases were conducted: a Dynamic Performance Test (DPT) under a sufficiently large-scale power system prior to the Site Acceptance Test (SAT), pre-verification for on-site  ...  Therefore, TCSC control performance was accurately verified under the entire Korean power system based on a large-scale real-time simulator, which demonstrated its effectiveness as a powerful tool for  ...  Such large-scale real-time expansion is a worldwide trend for various applications, especially for equipment testing under wide area power systems.  ... 
doi:10.3390/en13133343 fatcat:h2xkji77andh3nocokwfdjka74

Application of Green Power Generation Technology for Distributed Energy

Qiang Fu, Chengxi Fu, Peng Fu, Yuke Deng, Z. Tan, L. Liu
2021 E3S Web of Conferences  
In addition, it also discussed the use of "focusing solar power generation high-temperature solar thermal power conversion system software" technical completion of distributed system power distribution  ...  This article discusses and analyzes the technical strengths and weaknesses of the green power generation that can be used for distributed system (power generation) power generation, for instance, solar  ...  This technology has been used on a large scale. Its crucial issue is tracking manipulation.  ... 
doi:10.1051/e3sconf/202132901021 fatcat:fvwypwlmxrflpgqbcvw6y6oyza

popRange: a highly flexible spatially and temporally explicit Wright-Fisher simulator

Kimberly F McManus
2015 Source Code for Biology and Medicine  
Results: This article presents popRange, a forward genetic simulator, which incorporates large-scale genetic data with stochastic spatially and temporally explicit demographic and selective models.  ...  Conclusions: popRange allows researchers to evaluate and test complex scenarios by simulating large-scale data with complicated demographic and selective features. popRange is available for download at  ...  Omar Cornejo for valuable feedback on the simulation framework and manuscript.  ... 
doi:10.1186/s13029-015-0036-4 pmid:25883677 pmcid:PMC4399400 fatcat:cvtfx7tihjdc5iooynluusqnba

Universal distribution of component frequencies in biological and technological systems

T. Y. Pang, S. Maslov
2013 Proceedings of the National Academy of Sciences of the United States of America  
Bacterial genomes and large-scale computer software projects both consist of a large number of components (genes or software packages) connected via a network of mutual dependencies.  ...  We study this frequency distribution in genomes of ~500 bacterial species and in over 2 million of Linux computers and find that in both cases it is described by the same scale-free power law distribution  ...  Bacterial genomes and large-scale computer software projects both consist of a large number of components (genes or software packages) connected via a network of mutual dependencies.  ... 
doi:10.1073/pnas.1217795110 pmid:23530195 pmcid:PMC3625286 fatcat:omyjpn5jvbf5bbl247wu3tpao4

Study on the Expression Techniques of Fashion Style Plan

Na Xu
2016 DEStech Transactions on Computer Science and Engineering  
Fashion design is the perfect combination of art and technology, and fashion style plan presents fashion style, structural features and design details, which is widely used in fashion design, distribution  ...  Today's fashion design has entered the large-scale industrial production stage of modern meticulous division of labor, for example, the form of brand clothes processed in foreign countries and places will  ...  cutting of largescale clothing companies; fashion design effect picture and style plan also widely apply corresponding software systems to conduct computer drawing.  ... 
doi:10.12783/dtcse/icte2016/4815 fatcat:he2dx2lkbbgvznreuembr4smtq

The Software Defined Online Storage System at the GridKa WLCG Tier-1 Center

Jan Erik Sundermann, Jolanta Bubeliene, Ludmilla Obholz, Andreas Petzold, A. Forti, L. Betev, M. Litmaath, O. Smirnova, P. Hristov
2019 EPJ Web of Conferences  
The whole storage is partitioned into few large file systems, one for each experiment, using IBM Spectrum Scale as software-defined-storage base layer.  ...  The computing center GridKa is serving the ALICE, ATLAS, CMS and LHCb experiments as one of the biggest WLCG Tier-1 centers world wide with compute and storage resources.  ...  The design of the system allows for a flexible scaling of the storage infrastructure both in size and performance. The system uses IBM Spectrum Scale [3] as software defined storage layer.  ... 
doi:10.1051/epjconf/201921404013 fatcat:iyb67xbgqjb6lndkwesqeowmgm
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