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检索条件"任意字段=2008年国际电子商务、工程及科学领域的分布式计算和应用学术研讨会"

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A Billing System Model Based on Parallel Processing

A Billing System Model Based on Parallel Processing

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2008年国际电子商务、工程及科学领域的分布式计算和应用学术研讨会

作者： Yong Zheng Computer Institute,Nanjing University of the Posts & Communications,NO.66.Xin Mofan Road Nanjing,Jiangsu Province,210003,China Hanhua Lu Yanfei Sun Information Network Institute,Nanjing University of the Posts & Communications,NO.66.Xin Mofan Road Nanjing,Jiangsu Province,210003,China

Telecom billing system is one of the core systems of tclecom ***,customers'demand for Real-time Processing becomes higher and higher. Parallel processing is usually used to process complex issues,promote efficiency,save time and *** this paper,a billing system model based on parallel processing is put forward,which can solve the problems and can be expanded,improved and be more widely used in the telecom *** parallel methods are discussed in the model,such as synchronization,loading balance,pipelining,etc.

关键词： Billing System Real-time Processing Parallel Multi-processor Telecom Industry

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Solving Constrained Optimization Problems with Adaptive Quantum-Behaved Particle Swarm Optimization

Solving Constrained Optimization Problems with Adaptive Quan...

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2008年国际电子商务、工程及科学领域的分布式计算和应用学术研讨会

作者： Yang Liu~(1,2)Yan Ma~1 Baoxiang Cao~2 Deyun Yang~1 1 Department of Information Science and Technology,Taishan University,Tai'an Shandong,271021,China 2 College of Computer Science,Qufu Normal University,Rizhao Shandong,276826,China

In this paper we propose a new algorithm in solving constrained problem--Adaptive Quantum-behaved Particle Swarm Optimization(AQPSO).The AQPSO outperforms QPSO and PSO in global search ability and local search ability,because the adaptive method is more approximate to the learning process of social organism with high-level swarm intelligence and can make the population evolve *** adopt a non-stationary multi-stage assignment penalty in solving constrained problem to improve the convergence and gain more accurate *** approach is tested on several accredited benchmark functions and the experiment results show much advantage of AQPSO to QPSO and the traditional PSO.

关键词： constrained adaptive quantum PSO multi-stage

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Modeling of Glumatic Acid Fermentation Process Based on PSO-SVM

Modeling of Glumatic Acid Fermentation Process Based on PSO-...

引用

2008年国际电子商务、工程及科学领域的分布式计算和应用学术研讨会

作者： Xianfang Wang~(1,2) Zhiyong Du~3 Hua Wen~4 Feng Pan~2 1 Henan Institute of Science and Technology,Xinxiang,Henan 453003,China 2 School of Information & Control Engineering,Jiangnan University,Wuxi,Jiangsu 214122,China 3 Henan Mechanical and Electrical Engineering College,Xinxiang,Henan 453002,China 4 Department of Electronic Science & Engineering,Huanghuai University,Zhumadian,Henan 463000,China

In a fermentation process several variables,such as biomass concentration are conventionally determined by off-line laboratory analysis,i.e.,the process control is unavailable to industrial production in time just because of time delay that often makes the analysis results *** the ability simple in application and quick in convergence of Particle Swarm Optimization(PSO)algorithm and the high generalization ability of Support Vector Machine(SVM), selecting the appropriate state variables,a dynamic time-varying model has been *** the model and algorithm to per-estimate some biochemical state variables which can not be measured on-line,and to optimize some operational *** is proved that the method is efficiency through the practical application of Glumatic Acid fermentation process.

关键词： Particle Swarm Optimization Support Vector Machine State variables fermentation process Modeling

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System Simulation and Reliability Analysis of OFDM Based on System-View

System Simulation and Reliability Analysis of OFDM Based on ...

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2008年国际电子商务、工程及科学领域的分布式计算和应用学术研讨会

作者： Zhiyong Du~1 Xianfang Wang~(2,3)Zhou Yu~2 Haiyan Zhang~2 1 Henan Mechanical and Electrical Engineering College,Xinxiang,Henan,453002,P.R.China 2 Henan Institute of Science and Technology,Xinxiang,Henan,453003,P.R.China 3 School of Information & Control Engineering,Jiangnan University,Wuxi,Jiangsu,214122,P.R.China

Orthogonal Frequency Division Multiplex(OFDM)has been applied broadly in wideband wireless communication systems because it has ability in anti frequency selective *** basic principles of OFDM are described and then the schemes of transmitter and receiver arc given in *** to the system architecture analysis,it builds the OFDM system model and simulations model through Matlab *** different computer simulation results and BER can be got at different channel conditions and modulation modes.A specific example is given and amore in totalistic result can be got from this example. The simulation results show that OFDM system has a good quality in anti channel interference.

关键词： OFDM Performance Analysis System View Simulation Reliability.

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Digital Validation Code Recognition Algorithm Research and Design

Digital Validation Code Recognition Algorithm Research and D...

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2008年国际电子商务、工程及科学领域的分布式计算和应用学术研讨会

作者： Peng Cui Qingping Guo Pengpeng Duan School of Computer Science and Technology,Wuhan University of Technology,Wuhan,Hubei 430063,China

Putting forward a method of extracting the image of validation code base on the amount of information. First and foremost,the image of validation code is processed by Otsu Law,then removes the isolated point in the image and makes use of Median Filtering to *** split the image up into several small digital images,we use the method of Finite element to divide the split digital image into a lot of basal *** should compute the amount of information in each basal unit,at the same time;the connecting relationships of each basal unit are *** sort amount of information in each basal unit according to descending *** choose a suitable threshold value so that we can remove the basal unit that amount of information is below the threshold *** last we construct the relationship map of the digital image according to the connecting relationships of each basal unit in order to extract the image *** we carry out pattern recognition by invariant moments so that we can recognize the digital validation code.

关键词： Amount of Information Invariant Moment Threshold Value Connecting Relationship

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Combining Circulant Space-Time Coding with IFFT/FFT and Spreading

Combining Circulant Space-Time Coding with IFFT/FFT and Spre...

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2008年国际电子商务、工程及科学领域的分布式计算和应用学术研讨会

作者： Xiaonan Chen Peilv Ding Department of Information Engineering,Wuxi Professional College of Science and TechnologyWuxi,Jiangsu 214028,P.R.China

Circulant structures were among the first space-time coding techniques ever used for Multiple-Input Multiple-Output(MIMO)systems due to their simplicity and full *** this correspondence,the circulant structure is combined with an inverse fast Fourier transform(IFFT)at the transmitter and a fast Fourier transform(FFT)at the receiver due to the fact that a circulant matrix is diagonalized by the discrete Fourier transformation *** this method,the spatial mixing effect of the MIMO channel is decoupled but the diversity gain is *** propose to recover the diversity loss by spreading the transmitted symbol *** to the full diversity design criterion for our scheme,the precoding or constellation rotation matrices for the signal diversity design problems can be used as spreading matrix to achieve full *** proposed scheme is also full rate and can be easily applied to any number of transmit *** simulation results show that the performance of our scheme is close to the performance of the ideal orthogonal space-time code and much better than the conventional circulant space-time code.

关键词： MIMO Space-time Circulant Diversity Spreading

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Parallel Numerical Simulation for the Multi-group Particle Transport Equations

Parallel Numerical Simulation for the Multi-group Particle T...

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2008年国际电子商务、工程及科学领域的分布式计算和应用学术研讨会

作者： Jie Liu Lihua Chi Jing Chen Section 605,College of Computer,National University of Defense Technology,Changsha,Hunan 410073,China

In the conditions of high temperature and high pressure, the unknown particle fluxes of transport equations were defined in energy,time,velocity phase-space and high dimensions geometry *** paper presents an effective way to implement the scalable parallel numerical simulation on the clusters by combining the energy groups and the space domain decomposition. Based on the list schedule we first design a multi-group parallel method to solve the load unbalance problem. Then we present a parallel algorithm based on geometry domain *** indicate that the algorithms get a better parallel efficiency.A parallel code combining those two algorithms was designed. Using the code,we solved a two dimension particle transport equations on a cluster,and the results show that the algorithms have well *** efficiency relative to 256 is 82% on 2048 processors.

关键词： multi-group particle transport equations unstructured grid parallel computing load balancing

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A Multiple Constrained Long-life QoS Multicast Routing Algorithm in MANET

A Multiple Constrained Long-life QoS Multicast Routing Algor...

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2008年国际电子商务、工程及科学领域的分布式计算和应用学术研讨会

作者： Chunhua Xia~1 Rui Yang~1 Chao Gui~2 Baolin Sun~2 1 Department of Electrical Engineering,Hubei University of Economics,Wuhan,Hubei 430205,P.R.China 2 School of Computing,Hubei University of Economics,Wuhan,Hubei 430205,P.R.China

A mobile ad hoc network(MANET)is a collection mobile network nodes dynamically forming of wireless temporary without the use of any existing network infrastructure or centralized *** paper introduces a multiple constrained long-life QoS multicast routing algorithm in MANETs(MCQMR).The key idea of MCQMR algorithm is to construct the new metric-entropy and select the stability path with the help of entropy metric to reduce the number of route reconstruction so as to provide QoS guarantee in *** simulation results show that the proposed approach and parameters provide an accurate and efficient method of estimating and evaluating the route stability in dynamic MANETs.

关键词： Mobile Ad Hoc Networks(MANET) Entropy Multicast Routing

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The Present Situation and Development Tendency of Classification Based on Negative Association Rules

The Present Situation and Development Tendency of Classifica...

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2008年国际电子商务、工程及科学领域的分布式计算和应用学术研讨会

作者： Long Zhao~1 Xiangjun Dong~(1,2)Runian Geng~1 He Jiang~1 1 School of Information Science and Technology,Shandong Institute of Light Industry, Jinan 250353,P.R.China 2 School of Management and Economics,Beijing Institute of Technology, Beijing 100081,P.R.China

One application of association rule mining(ARM)is to identify classification association rules(CARs)that can be used to classify future instances from the same population as the data being *** classification is a well-known technique which uses association rules to predict the class label for new data *** model has been recently reported to achieve higher accuracy than traditional classification approaches like *** limits in view of positive association rules used in classification. This paper introduces main methods and the present situation of classification based on association rules, expatiates the present situation and main technologies of negative association rules,introduces the problem of exploding frequent itemsets and points out the development tendency of classification based on negative association rules.

关键词： Negative Association Rules Classification Method Frequent Negative Itemsets

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A Studying the Conceptual Model and Critical Technology Based on Enrterprises Finance System

A Studying the Conceptual Model and Critical Technology Base...

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2008年国际电子商务、工程及科学领域的分布式计算和应用学术研讨会

作者： Ming Ni College of Economics and Management,East China Jiaotong University,Nanchang,Jiangxi,330013,China

The tradition financial accounting pattern has played an important roles in enterprises financial field last century, the tradition accounting pattern has faced great challenge,with the development of computer,network technology and the change of manufacturing pattern, etc..Constructing a practical and feasible financial system(FS)conceptual model is the premise of improving the competence of FS *** view of such two important platforms as technology platform and corporate culture platform that are provided by Enterprises Informatization(EI),the conceptual model of FS for SDN node enterprise,which includes two platforms and a core part,a financial information operation circulation,is designed in the *** whole operation process of FS conceptual model is described in terms of technology,tool and corporate *** node enterprise can refer to the model when running into the FS plight.

关键词： Financial Accounting Pattern Conceptual Model Critical Technology SDN

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