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Energy spectra for protons emitted in the reaction Ca-nat(n, xp) at 94 MeV
[article]
2008
arXiv
pre-print
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The Delta E - Delta E - E technique have been used to identify protons, and a cutoff as low as 2.5 MeV is achieved. ...
The tape server is an optional part of the acquisition system. ...
was as high as the probability of hitting a barn when firing a gun. ...
arXiv:0804.2417v1
fatcat:2hqeefwgc5d3jn7skg26tqkvly
Designing and Applying an Education IaaS System based on OpenStack
2013
Applied Mathematics & Information Sciences
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At last, this paper designs and implements a high-performance service, a net disk service and an education management service on this IaaS system. ...
This paper designs and implements an IaaS (Infrastructure as a Service) system by using OpenStack. ...
management service. (1) High-Performance Computing Service In order to deploy the high performance service, this paper makes a VM template with several popular parallel computing softwares, including ...
doi:10.12785/amis/071l22
fatcat:syrhzkyypnejhipetx2wtd6uyq
Angle-based space partitioning for efficient parallel skyline computation
2008
Proceedings of the 2008 ACM SIGMOD international conference on Management of data - SIGMOD '08
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Recently, skyline queries have attracted much attention in the database research community. ...
We demonstrate both formally as well as through an exhaustive set of experiments that this new scheme is very suitable for skyline query processing in a parallel sharenothing architecture. ...
Consider for example a database containing information about hotels. Each tuple of the database is represented as a point in a data space consisting of numerous dimensions. ...
doi:10.1145/1376616.1376642
dblp:conf/sigmod/VlachouDK08
fatcat:3th5okx3rnh7zjgx2muxkmmfty
Using scalable distributed computers in telecommunications
[chapter]
1997
Lecture Notes in Computer Science
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While it has long been suggested to use parallelism to boost the performances of telecommunication switching equipment, existing solutions do not easily scale up to very high throughput unless dedicated ...
We then describe a prototype implementation, and discuss performance results. We conclude on the interest and perspectives of this kind of scalable architecture. ...
Today, t h i s k i n d o f a r c hitecture tends to be ubiquitous where high performance computing is a concern, from simulation and numerical computing to database management. ...
doi:10.1007/bfb0031580
fatcat:vv6rvjsmg5d63hmqebmcnxme44
Performance issues in implementing a portable SMDS server
[chapter]
1995
High Performance Networking
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We present the design and the implementation of a portable SMDS (Switched Multi-megabits Data Service) server, and discusses performance related aspects of a SMDS server-based connectionless network implemented ...
However, their performance might be a critical point, since, like with any other server, undersized connectionless servers might become bottlenecks in the network. ...
The test architecture includes: • a parallel server (as defined above) implemented on 1, 2, 4, 6 or 8 nodes of the Paragon XP/S e an environment (surrounding the parallel server) made of a number of other ...
doi:10.1007/978-0-387-34949-7_20
fatcat:w5k4dv6gavdcfpntu6bxegnsya
Client-Server environment for high-performance gene expression data analysis
2003
Bioinformatics
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The environment includes a powerful client for data preparation and results visualization, an application server for computation and an additional administration tool. ...
We have developed a platform independent, flexible and scalable Java environment for highperformance large-scale gene expression data analysis, which integrates various computational intensive hierarchical ...
This work was supported by a grant F718 (SFB Biomembranes) from the Austrian Science Fund and by an Academic Equipment Grant from SUN Microsystems. ...
doi:10.1093/bioinformatics/btg074
pmid:12691990
fatcat:dttz46wpqradzfwpj4paefdore
A Framework for Realtime Online Auctions
[article]
2014
arXiv
pre-print
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This article describes the architecture of a web-based realtime online auction system, together with the functional and technical requirements that evolved during the development process and heavily influenced ...
From the point of view of this real world case study, ways to minimize the development time and yet ensure a robust and flexible system are explained: combining standard software and self- developed components ...
As an industry-standard database, Oracle ensures high reliability, robustness (via logging, recovery and transaction mechanisms), high performance and security (by providing elaborate concepts to protect ...
arXiv:1409.6592v1
fatcat:sl4yhe7lyrc6bhvzkqhyt6lyee
Distributed Sequence Alignment Applications for the Public Computing Architecture
2008
IEEE Transactions on Nanobioscience
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If an actual sequential run of the problem were compared, a more drastic reduction in the runtime would be seen due to an additional secondary storage I/O overhead for a practical system. ...
While the runtime reduction factor of the global gene sequence alignment application is modest, this value is based on a theoretical sequential runtime extrapolated from the calculation of a smaller problem ...
These improvements come from both a high-performance parallel I/O library and the rich communication available on the computing cluster.
III. ...
doi:10.1109/tnb.2008.2000148
pmid:18334454
fatcat:cayuubjz2jbwrhjknxdkm6nguq
Scalability of Database Bulk Insertion with Multi-threading
[chapter]
2011
Communications in Computer and Information Science
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MySQL 5.2 and SQL Server 2008 were used and the experimental results show that the performance of databases do not scale linearly with the number of threads. ...
This work justifies our intention in developing a smart data access layer that autonomously decides the number of threads to spawn in order to improve the performance of the DAL. ...
DeWitt and Gray [17] shows that parallel processing is a cheap and fast way to significantly gain performance in database system. ...
doi:10.1007/978-3-642-22203-0_14
fatcat:t7h5ypz2l5bkrpo7poksjx7pxi
High-performance hardware implementation of a parallel database search engine for real-time peptide mass fingerprinting
2008
Bioinformatics
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In this article we present a complementary hardware realization of a parallel database search engine that, when running on a Xilinx Virtex 2 FPGA at 100 MHz, delivers 1800-fold speed-up compared with an ...
relative to a conventional software implementation running on a dual processor server. ...
FPGAs, which are well suited for high-performance, high-bandwidth and parallel processing applications, have been successfully employed to speed-up DNA sequencing algorithms (Guccione and Keller, 2002 ...
doi:10.1093/bioinformatics/btn216
pmid:18453553
pmcid:PMC3133936
fatcat:bgr5rlrdavbaldioiutc6gmmyu
Towards Setting up IBM Cloud Computing VCL at Abdelmalek Essaadi University
2012
International Journal of Computer Applications
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Tarek El Ghazawi, Director of the High-Performance Computing Laboratory (HPCL) at The George Washinghton University, for helping to initiate this project, Dr. ...
Fig 2 : 2 Fig 2: VCL Image Reservation
8, created a Windows XP image and configured it within the VCL database. ...
HIGH PERFORMANCE COMPUTING INFRASTRUCTURE IN MOROCCO Grid computing is a collection of heterogeneous and distributed computing resources available over a local or wide area network that appears, to an ...
doi:10.5120/8976-3184
fatcat:ytqrzgute5fzbnbplf7yaulg3m
PythonHoneyMonkey: Detecting malicious web URLs on client side honeypot systems
2014
Proceedings of 3rd International Conference on Reliability, Infocom Technologies and Optimization
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To eradicate this kind of attack technique, this paper focuses on creating a high interaction honeypot system controlled by a python script. ...
A vulnerable application requesting traffic from an externally hoisted server is exploited and user accessing the application transfers shell to the server listening remotely. ...
All of this is reported at master and a backend snort log server. The log server deployed with a MySQL database creates relational data for further analysis. ...
doi:10.1109/icrito.2014.7014753
fatcat:7gtho2zlircwvbuhesehi2dys4
Distributed OPAC System Using Z39.50 Protocol
2011
INTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY
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the individual databases connected remotely. ...
scenario like if we have multiple libraries in a campus, if we need to search a book in all the libraries, we have only two possibilities to build OPAC, once to make the single database for all the Libraries ...
Here a group of Z39.50 servers are connected in parallel, among them some of servers are connected to more than one databases. ...
doi:10.24297/ijct.v10i5.4150
fatcat:hfyxzodlnjcvvlc45d262qfhte
Parallel Architecture for Face Recognition using MPI
2017
International Journal of Advanced Computer Science and Applications
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However, PCA consumes a lot of processing time due to its high intensive computation nature. ...
Hence, this paper proposes two different parallel architectures to accelerate training and testing phases of PCA algorithm by exploiting the benefits of distributed memory architecture. ...
Thus, the communication overhead does not have a high impact on the performance of the overall system because of the network speed. ...
doi:10.14569/ijacsa.2017.080154
fatcat:yegnj2mjtrb67ffum3x2ydaniq
Remote Access VPNs Performance Comparison between Windows Server 2003 and Fedora Core 6
[chapter]
2008
Home Networking
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All experiments were conducted using a window XP SP/2 host (VPN Client) connected to a windows server 2003 host (VPN Server) and to a fedora core 6 host (VPN Server). ...
We explore the impact of these VPNs on end-to-end user application performance using metrics such as throughput, RTT, jitter, and packet loss. ...
So, L2TP/IPSec on both windows server 2003 and fedora core 6 have produced a good performance values for both TCP and UDP-based user applications. • Because OpenVpn was written as a user space daemon rather ...
doi:10.1007/978-0-387-77216-5_24
dblp:conf/ifip6-2/JohaSA07
fatcat:wwf6fmcnmndshb7wr7yl4xckwe
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