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IEEE International Symposium on Dependable, Autonomic and Secure computing (DASC)

作者： Liang Liu Yanjun Hu Hua Qian Xuming Pei Key laboratory of Intelligent Computing & Signal Processing Ministry of Education Anhui University Hefei P.R. China CAS Shanghai Research Center for Wireless Communications SIMIT Shanghai P.R. China

With the developing of low-power wireless techniques such as the micro-sensors, analog and digital electronic technology and radio frequency technology, different kinds of wireless sensor networks are widely used in the field of military, civil, medical and so on. However, in practical applications, the low-power consumption and long-distance have not been well achieved in the wireless sensor networks. In this paper, a low-power and long-distance system based on wireless sensor networks is proposed. The system model consists of two parts: the hardware includes server node, client nodes and ARM boards. The software mainly handle the analysis and construction of the communication frame as well as data analysis and processing and then the data information is processed to report to the server. We can reduce the energy consumption and increase the transmission distance by the combined application of hardware and software. The system can be used in different occasions and does have a grand application prospect.

关键词： Wireless sensor networks Hardware Universal Serial Bus Wireless communication Web servers

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A forensics method of web browsing behavior based on association rule mining

A forensics method of web browsing behavior based on associa...

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International Conference on Systems and Informatics (ICSAI)

作者： Yiyun Zhang Guolong Chen College of Mathematics and Computer Science Fuzhou University Fujian Provincial Key Laboratory of Network Computing and Intelligent Information Processing Fuzhou Fujian China

ISBN: (纸本)9781479954599

With the development of network, web forensics is becoming more and more important due to the rampant cybercrime. In this paper, a forensics method of web browsing behavior based on association rule mining is presented. The method aims at providing the necessary data support to build the behavior pattern library for investigation. The records of the user's browsing history are collected to be analyzed. The obtained original data are pretreated to transactional data which are suitable for association rule mining. Frequent browsing time and frequent web browsing sequences are obtained from the transactional data by Apriori algorithm. The mining results are helpful for identification and recognition of anonymous or suspicious web browsing behavior patterns.

关键词： History Browsers Forensics Association rules Libraries Uniform resource locators

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A full-rate and low-detection complexity cooperative transmission scheme with cyclic delay diversity

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Journal of Computational Information Systems 2013年第11期9卷 4593-4600页

作者： Xu, Lei Wang, Li Zhang, Hongwei Li, Xiaohui Key Lab. of Intelligent Computing and Signal Processing of Ministry of Education Anhui University Hefei 230039 China

The use of orthogonal channels for the cooperative transmission results in a loss of rate or spectral efficiency, and the exiting full-rate cooperative transmission schemes based on space-time code design have the defect of high detection complexity. Therefore, by adopting the non-orthogonal amplify and forward (NAF) mode, combining with the advantages of linear constellation precoding (LCP) technique and cyclic delay diversity (CDD) technique in this paper, a new full-rate wireless cooperative transmission scheme designed based on space-time-frequency codes is proposed. Compared with the existing full-rate cooperative transmission scheme, this new scheme is suitable for multi-relay scenario, and has the advantages of simple structure, low signal detection complexity which does not increase with the relay number. Compared with the equal power allocation scheme, the optimal power allocation scheme can make the system bit error rate (BER) performance improved. © 2013 by Binary Information Press.

关键词： Spectrum efficiency

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Data Replication Placement Strategy Based On Bidding Mode for Cloud Storage Cluster

Data Replication Placement Strategy Based On Bidding Mode fo...

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2014 11th Web Information System and Application Conference(第十一届全国web信息系统及其应用学术会议)

作者： Hong Zhang Bing Lin Zhanghui Liu Wenzhong Guo College of Mathematics and Computer Science Fujian Provincial Key Laboratory of Network Computing and Intelligent Information Processing Fuzhou University Fuzhou 350116 China

ISBN: (纸本)9781479957286

The data availability in large-scale cloud storage has been increasing by means of data *** provide cost-effective availability, minimize the response time of applications and make load balancing for cloud storage, a new replica placement policy with bidding thought is *** policy combines the own characteristics of replica and factors of bidding mode(e.g, bidding time, bidding standard, bidding price etc.) and starts replica bidding activity when the file data availability cannot meet the given *** placement is based on capacity and accessing probability of data *** experimental results show that our policy has a better performance in both load balance and response time comparing to the static replica policy and CDRM scheme.

关键词： Data Replica Bidding Mode Cloud Storage Load Balance

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Cognitive Memory Systems In Consciousness And Memory Model

Cognitive Memory Systems In Consciousness And Memory Model

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International Joint Conference on Neural Networks

作者： Zhongzhi Shi Xiaofeng Wang Xi Yang Key Laboratory of Intelligent Information Processing Chinese Academy of Sciences Beijing China Institute of Computing Technology Chinese Academy of Sciences Beijing China

Memory is a fundamental component in human brain and plays very important roles for all mental processes. The analysis of memory systems through cognitive architectures can be performed at the computational, or functional level, on the basis of empirical data. In this paper we discuss memory systems in the extended Consciousness and Memory Model (CAM) The knowledge representations used in CAM for working memory, semantic memory, episodic memory and procedural memory are introduced. It will be explained how, in CAM, all of these knowledge types are represented in dynamic decription logic (DDL), a formal logic with the capability for description and reasoning regarding dynamic application domains characterized by actions.

关键词： Semantics Computer aided manufacturing Trajectory Computational modeling Computer architecture Ontologies Cognition

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Semi-paired probabilistic canonical correlation analysis 8

Semi-paired probabilistic canonical correlation analysis

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8th IFIP International Conference on intelligent Information processing, IIP 2014

作者： Zhang, Bo Hao, Jie Ma, Gang Yue, Jinpeng Shi, Zhongzhi Chinese Academy of Sciences Institute of Computing Technology The Key Laboratory of Intelligent Information Processing Beijing China University of Chinese Academy of Sciences Beijing China Xuzhou Medical College School of Medicine Information Xuzhou China China University of Mining and Technology School of Computer Science and Technology Xuzhou China

ISBN: (纸本)9783662449790

CCA is a powerful tool for analyzing paired multi-view data. However, when facing semi-paired multi-view data which widely exist in real-world problems, CCA usually performs poorly due to its requirement of data pairing between different views in nature. To cope with this problem, we propose a semi-paired variant of CCA named SemiPCCA based on the probabilistic model for CCA. Experiments with artificially generated samples demonstrate the effectiveness of the proposed method. © IFIP International Federation for Information processing 2014.

关键词： Correlation methods

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Characterizing strong light-atom interaction by a self-consistent solution to Maxwell-Schrödinger equations

Characterizing strong light-atom interaction by a self-consi...

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USNC-URSI Radio Science Meeting (Joint with AP-S Symposium)

作者： Jing Shen Wei E. I. Sha Xianliang Wu Department of Physics and Electronic Engineering Hefei Normal University Hefei China Department of Electrical and Electronic Engineering The University of Hong Kong Hong Kong Key Laboratory of Intelligent Computing and Signal Processing Anhui University Hefei China

Summary form only given. Strong light-atom interaction is at the heart of atomic, molecular and optical physics; and is also important to quantum optics, quantum computing, nuclear magnetic resonance and laser. When an atom (or two-level system) is illuminated by a coherent beam of photons, it will cyclically absorb photons and re-emit them by stimulated emission, which is called Rabi oscillation. Here we developed a semiclassical framework to model the phenomenon via a self-consistent solution to Maxwell-Schrödinger equations. Different from Maxwell-Bloch equations, the wave function of the atom replacing for the density matrix nonlinearly interacts with the magnetic vector potential under coulomb gauge condition. A well-posed time evolution system derived from light-atom Hamiltonian is numerically solved by finite-difference time-domain method. The developed semiclassical Maxwell-Schrödinger framework could be generalized to model light-exciton interaction in semiconductor nanostructures.

关键词： Mathematical model Equations Educational institutions Vectors Physics Roads Atom optics

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A Full-Rate and Low-Detection Complexity Cooperative Transmission Scheme Based on Distributed Space-Time-Frequency Code Design

A Full-Rate and Low-Detection Complexity Cooperative Transmi...

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2013 IEEE 4th International Conference on Software Engineering and Service Science

作者： Hongyu Fang Ruzi Li Li Wang Xiaohui Li Key Lab of Intelligent Computing and Signal Processing of Ministry of Education Anhui University

ISBN: (纸本)9781467349994

The cooperative transmission schemes based on the amplify and forward（AF） mode have the defect of low transmission rate and the exiting full-rate cooperative transmission schemes based on space-time code design have the defect of high detection ***,this paper makes the best of linear constellation precoding（LCP） technique and cyclic delay diversity（CDD） technique,and adopts the nonorthogonal amplify and forward（NAF） mode,finally proposes a new full-rate wireless cooperative transmission scheme based on space-time-frequency code *** with the cooperative transmission schemes that only pursue the transmission rate or the BER performance,this new scheme can apply to multi-relay scenario,and has the advantages of simple structure,low signal detection complexity that does not increases with the number of relay *** of above makes the real-time data transmission service of high quality come to be possible.

关键词： cooperative space-time-frequency full-rate lowdetection complexity

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Twin Support Vector Machines Based on the Mixed Kernel Function

Twin Support Vector Machines Based on the Mixed Kernel Funct...

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The 6th International Conference on Computer Research and Development

作者： Fulin Wu Shifei Ding School of Computer Science and Technology China University of Mining and Technology Key Laboratory of Intelligent Information Processing Institute of Computing TechnologyChinese Academy of Sciences

The efficiency and performance of the Twin Support Vector Machines(TWSVM) are better than the traditional support vector machines when it deals with the problems. However, it also has the problem of selecting kernel functions. Generally, TWSVM selects the Gaussian radial basis kernel function. Although it has a strong learning ability, its generalization ability is relatively weak. In a certain extent, this will limit the performance of TWSVM. In order to solve the problem of selecting kernel functions in TWSVM, we propose the twin support vector machines based on the mixed kernel function(MK-TWSVM) in this paper. To make full use of the learning ability of local kernel functions and the excellent generalization ability of global kernel functions, MK-TWSVM selects a global kernel function and a local kernel function to construct a mixed kernel function which has the better performance. The experimental results indicate that the mixed kernel function makes TWSVM have the good learning ability and generalization ability. So it improves the performance of TWSVM.

关键词： mixed kernel function TWSVM kernel function

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A hybrid artificial fish-school optimization algorithm for solving the quadratic assignment problem

A hybrid artificial fish-school optimization algorithm for s...

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International Conference on Natural Computation (ICNC)

作者： Ziqiang Li Yang Yi Qiwei Yang School of Information and Engineering Xiangtan University Xiangtan China Key Laboratory of Intelligent Computing & Information Processing of Ministry of Education Xiangtan University Xiangtan China

The quadratic assignment problem (QAP) is a classic combinatorial optimization problem, which is of the NP-hard nature. In this paper, a hybrid artificial fish school optimization algorithm (HAFSOA) is proposed. In HAFSOA, the heuristic information is used in constructing some better initial individuals and its search ability of the global optimal solution is improved by a combination of the modified fish school optimization and differential evolution. In addition, by taking different visual distances for three behaviors: preying, clustering and following, the convergence speed of the proposed HAFSOA is speeded up. Many QAP experimental results show that the proposed HAFSOA can solve QAP better.

关键词： Marine animals Optimization Visualization Production facilities Educational institutions Clustering algorithms Heuristic algorithms

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