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International Conference on Bio-Inspired computing: Theories and Applications, BICTA

作者： Xingxin Pei Wenjian Luo Nature Inspired Computation and Application Laboratory School of Computer Science and Technology Anhui Key Laboratory of Software in Computing and Communication University of Science and Technology Hefei Anhui China

Evolutionary Negative Selection Algorithms (ENSAs) could be regarded as hybrid algorithms of Evolutionary Algorithms (EAs) and Negative Selection Algorithms (NSAs). The average time complexity of ENSAs on combinational optimization problems has never been studied before. In this paper, the average time complexity of ENSAs on one combinational optimization problem is analyzed. The theoretical results demonstrate that, for the Two Max function, the ENSA with an appropriate matching threshold could perform better than the traditional (N+N) EA. Some simulation experiments on the combinational problem are also done, and the experimental results are consistent with theoretical results.

关键词： Algorithm design and analysis Software algorithms Immune system Convergence Laboratories computer applications Application software computer science Evolutionary computation Biology computing

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GPRS Based Guard Robot Alarm system Design

GPRS Based Guard Robot Alarm System Design

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International Conference on Internet computing in science and Engineering (ICICSE)

作者： Maohai Li Lining Sun Qingcheng Huang Zesu Cai Songhao Piao School of Computer Science and Technology Harbin Institute of Technology Harbin China State Key Laboratory of Robotics and System Harbin Institute of Technology Harbin China

This paper presents a practical approach to design guard robot alarm system using GPRS technology. GPRS offers an interesting communications infrastructure for remotely accessing, controlling and interacting with robots in an integrated and highly portable manner, particularly in recent years the GPRS network provides wireless access of internet for mobile phone which becomes the most important and common terminal equipment. Therefore, in this paper the alarm information is designed to send to the user's mobile phone, and add man-made intervention to the system, thus achieves a more convenient and reliable alarm system. The system mainly consists of two parts: detection of abnormal and dangerous situation in domestic environment and sending the alarm information as MMS form to the user's phone via GPRS networks. Finally experiments show that the alarm system can accurately send alarm information to the user's mobile phone. The system is low-cost, flexible, reliable, and can be widely used.

关键词： Ground penetrating radar Alarm systems Intelligent robots Orbital robotics Intelligent sensors Mobile handsets Robotics and automation GSM Mobile robots Robot sensing systems

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TACS: A Transparent Application Bandwidth Management system

TACS: A Transparent Application Bandwidth Management System

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International Conference on computer and Information technology (CIT)

作者： Xianqin Chen Xiang Long Xiaopeng Gao Junjie Ma State Key Laboratory of Virtual Reality Technology and System School of Computer Science and Technology Beijing Aeronautics and Astronautics University Beijing China

With the rapid advance of computer and network technology, more and more applications are deployed in the customer-side network. These applications require different quality of service (QoS), but have to share a few bandwidth limited Internet connections. Owing to the IP network's best-effort delivery mechanism, the QoS requirements are hard to be satisfied. There have been plenty of QoS solutions in research and industry areas, however, few of them are easy to understand or to deploy. Therefore, we provide a solution, based on a simple and clear model, has the ability of transparently deployed at the inner side of customer's gateway device and controlled in the application-oriented way. We also introduce a straightforward QoS policy definition language to allow user to create QoS rules for various applications. We conduct the evaluation of our prototype system running upon mid-end industrial personal computer under both the lab test-bed and the practical network. In the lab test, our system achieves 200Mbps throughput, in the practical field test, our system successfully manages a 100Mbps Internet link for over 3000 active users.

关键词： Bandwidth Quality of service Application software system testing computer networks Web and internet services Prototypes computer industry Electrical equipment industry Microcomputers

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Linear support vector machine based on kernel function

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Journal of Computational Information systems 2009年第4期5卷 1089-1095页

作者： Gao, Shang Hu, Xuekun Zhang, Zaiyue Cao, Cungen School of Computer Science and Engineering Jiangsu University of Science and Technology Zhenjiang 212003 China Provincial Key Laboratory of Computer Information Processing Technology Soochow University Suzhou 215006 China Institute of Computing Technology The Chinese Academy of Sciences Beijing 100080 China

Support vector machine is kind of novel machine learning method, based on statistical learning theory, which becomes the hotspot of machine learning because of its excellent learning performance. The method of support vector machine has been developed for solving classification and regression problems. Training a support vector machine requires the solutions of a very large quadratic programming problem. The algorithm is usually slow when there are many data. In order to improve the running speed, three regression models based on kernel function are introduced. One of three models is changed into a system of linear equations problem, the other models are changed into linear programming problems and their dual problems are given. Simulation results show the effectiveness of the methods, and the computation complexity are largely reduced. The kernel function and the parameter of models selection are compared and analyzed by means of an example. © 2009 Binary Information Press August, 2009.

关键词： Support vector machines

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Research on Fuzzy Semantic Service Matchmaking

Research on Fuzzy Semantic Service Matchmaking

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International Conference on BioMedical Engineering and Informatics (BMEI)

作者： Dexin Zhao Zhiyong Feng Degan Zhang Key Laboratory of Advanced Displays and System Application Ministry of Education Tianjin China Tianjin Key Laboratory of Intelligence Computing & Novel Software Technology Tianjin University of Technology Tianjin China School of Computer Science and Technology Tianjin University TJU Tianjin China

ISBN: (纸本)9781424441327

The traditional syntactic service matchmaking is lack of semantic information with machine understandable, so it can not achieve intelligent service discovery. In this paper, the fuzzy nature of matchmaking is considered, and the conceptions of linguistic variables in fuzzy logics are introduced into service matchmaker. The matchmaking linguistic variables and the fuzzy relationship matrix are defined, and conjunction degree of fuzzy key words sets is proposed to solve the semantic match problem between service description and service request. The research provides a new valuable way for studying intelligent service discovery.

关键词： Web services Fuzzy logic Machine intelligence Laboratories Fuzzy sets Semantic Web Service oriented architecture Intelligent networks Natural languages computer vision

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Accelerate Cache Simulation with Generic GPU

Accelerate Cache Simulation with Generic GPU

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International Conference on computer and Information technology (CIT)

作者： Wan Han Gao Xiaopeng Wang Zhiqiang State Key Laboratory of Virtual Reality Technology and System School of Computer Science and Engineering Beihang University Beijing China

Trace-driven cache simulation is the most widely used method to evaluate different cache structures. Several techniques have been proposed to reduce the simulation time of sequential trace-driven simulation. An obvious way to achieve fast parallel simulation is to simulate the individual independent sets of a cache concurrently on different compute resources. We propose improvements to current trace-driven simulation methods to make them faster and more economical. This paper considers the use of generic GPU to accelerate cache simulation which exploits set-partitioning as the main source of parallelism. We develop more efficient parallel simulation techniques by introducing more knowledge into the compute unified device architecture (CUDA) on the GPU. Our experimental result shows that the new algorithm can produce performance results for a number of set-associative caches in just a single simulation run and still produce the exact results.

关键词： Acceleration Computational modeling Concurrent computing Graphics Parallel processing computer architecture computer simulation Analytical models Partitioning algorithms Kernel

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Adaptation of Mismatching services Based on Labelled Interface Automata

Adaptation of Mismatching Services Based on Labelled Interfa...

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Fifth International Conference on Semantics,Knowledge and Grid(第五届语义、知识与网格国际会议 SKG 2009)

作者： Tao Liu Guosun Zeng Department of Computer Science and Technology Tongji University Shanghai 200092 China The Key Laboratory of Embedded System and Service Computing Ministry of Education Tongji Universit

In today's web, more and more software and applications are wrapped as services. However interactions between services are not always perfectly completed because of mismatches among them. Service mediation and adaptation problems obtain increasingly concerns. In this paper, we propose an extension of interface automata, labelled interface automata, to illustrate mismatching services and adaptation. We characterize the problem by classifying different kinds of adaptation scenarios. Then we focus on how to use labelled interface automata to illustrate the building of adaption service between mismatching services.

关键词： mismatching service adaptation interface automata

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N-order difference heuristic model of fuzzy time series forecasting

N-order difference heuristic model of fuzzy time series fore...

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IEEE International Conference on Intelligent computing and Intelligent systems (ICIS)

作者： Kai Chi Wen-Gang Che Pattern Recognition and Intelligent System School of Information Engineering and Automation Kunming University of Science and Technology China Key Laboratory of Computer Technology and Application of Yunnan Province Kunming University of Science and Technology China

Fuzzy time series forecasting model is an effective method to solve the nonlinear problems forecasting. However, most published fuzzy time series based models did not count the change trend implicit in historical datum. In this paper, authors proposed a novel method which applied heuristic information to the fuzzy time series model based on Fibonacci sequence. As an example, the USD/JPY exchange rate is tested in this model. The results show that this method not only improves the forecasting accuracy, but decreases the computational complexity.

关键词： Predictive models technology forecasting Economic forecasting Uncertainty Fuzzy systems Pattern recognition Intelligent systems Automation Channel hot electron injection Laboratories

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An Improved Genetic Algorithm for Solving Conic Fitting Problems

An Improved Genetic Algorithm for Solving Conic Fitting Prob...

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computer science and Information Engineering, CSIE, WRI World Congress on FLAGGED

作者： Song Gao Chunping Li Computer Science and Technology Department Key Laboratory of Information System Security Tsinghua University China School of Software Key Laboratory of Information System Security Tsinghua University China

This paper presents an improved genetic algorithm for solving conic fitting problem. We first use several parallel small-populations genetic algorithms to obtain initial population, which has better average fitness. The range of mutation operator is also set to be gradually reduced with the growing of generation to guarantee the proportion of outstanding individuals within the population. An experiment shows that our improvements on genetic algorithm can remarkably increase the average fitness of population during evolution and enhance the performance of the algorithm as a whole.

关键词： Genetic algorithms Genetic mutations Skeleton computer science Laboratories Information systems Information security Power system modeling Equations Testing

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Complex Network Model for Software system and Complexity Measurement

Complex Network Model for Software System and Complexity Mea...

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computer science and Information Engineering, CSIE, WRI World Congress on FLAGGED

This paper proposes a new method for measuring the complexity of software systems based on complex network theory. We first construct the complex network model for software system. Then, the complexity of a homogeneous system is defined according to the entropy theory. With the experiments on open source software systems, we show that our method can reveal the complexity on different aspects of software systems,such as inheritance and understanding complexity.

关键词： Complex networks Software systems Software measurement Packaging Object oriented modeling computer science Laboratories Information systems Information security Open source software

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