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2005 International Symposium on computer science and technology, ISCST 2005

作者： Yu, Xinchun Yang, Jie Li, Xie Department of Computer Science and Engineering Yangzhou University Yangzhou 225009 China State Key Laboratory for Novel Software Technology Nanjing University Nanjing 210093 China

ISBN: (纸本)0972147950

After the construction of S-boxes satisfying some good cryptographic properties, the ByteSub step in Rijndael algorithm was improved based on the dynamical selection of S-boxes depending on the round keys. The improved algorithm has been proved to have stronger ability to resist differential attack. Meanwhile, the avalanche probability of this algorithm is more reasonable and the design method is a challenge to the Kerckhoff hypothesis.

关键词： Avalanche probability Differential attack Rijndael algorithm S-box security

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A hybrid workflow paradigm for integrating self-managing domain-specific applications

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4th International Conference on Grid and Cooperative Computing - GCC 2005

作者： Dou, Wanchun Chueng, S.C. Chen, Guihai Wang, J. Cai, S.J. State Key Laboratory for Novel Software Technology Department of Computer Science and Technology Nanjing University Nanjing 210093 China Department of Computer Science Hong Kong University of Science and Technology Hong Kong Hong Kong Department of Civil and Environmental Engineering Stanford University Stanford CA 94305 United States

ISBN: (纸本)3540305106

A hybrid workflow system could be treated as a domain-across infrastructure by incorporating different workflow systems and WfMSs engaged in the complex business processing. For enacting a hybrid workflow system, the self-managing discipline employed in autonomic computing is imposed on domain-specific applications. By classifying the data issues engaged in a domain-specific application into process data and application data and for enhancing the incorporation among the self-managing domain-specific applications from global view of point, the foundation of self-governing management is discussed based on behavior logic and control logic analysis. To conclude, a case study is presented for illustrating the scenarios and the characteristics of hybrid workflow paradigm are summarized. © Springer-Verlag Berlin Heidelberg 2005.

关键词： Administrative data processing

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An energy-efficient unequal clustering mechanism for wireless sensor networks

An energy-efficient unequal clustering mechanism for wireles...

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2nd IEEE International Conference on Mobile Ad-hoc and Sensor Systems, MASS 2005

作者： Li, Chengfa Ye, Mao Chen, Guihai Wu, Jie State Key Laboratory for Novel Software Technology Nanjing University Nanjing 210093 China Department of Computer Science and Engineering Florida Atlantic University Boca Raton FL 33431

ISBN: (纸本)0780394666

Clustering provides an effective way for prolonging the lifetime of a wireless sensor network. Current clustering algorithms usually utilize two techniques, selecting cluster heads with more residual energy and rotating cluster heads periodically, to distribute the energy consumption among nodes in each cluster and extend the network lifetime. However, they rarely consider the hot spots problem in multihop wireless sensor networks. When cluster heads cooperate with each other to forward their data to the base station, the cluster heads closer to the base station are burdened with heavy relay traffic and tend to die early, leaving areas of the network uncovered and causing network partition. To address the problem, we propose an Energy-Efficient Unequal Clustering (EEUC) mechanism for periodical data gathering in wireless sensor networks. It partitions the nodes into clusters of unequal size, and clusters closer to the base station have smaller sizes than those farther away from the base station. Thus cluster heads closer to the base station can preserve some energy for the inter-cluster data forwarding. We also propose an energy-aware multihop routing protocol for the inter-cluster communication. Simulation results show that our unequal clustering mechanism balances the energy consumption well among all sensor nodes and achieves an obvious improvement on the network lifetime. © 2005 IEEE.

关键词： Wireless telecommunication systems

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Learning classifier system ensemble for data mining 05

Learning classifier system ensemble for data mining

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GECCO 2005 - Genetic and Evolutionary Computation Conference

作者： Gao, Yang Huang, Joshua Zhexue Rong, Hongqiang Gu, Daqian State Key Laboratory for Novel Software Technology Nanjing University Nanjing China E-business Technology Institute The University of Hong Kong Hong Kong Department of Computer Science The University of Hong Kong Hong Kong

ISBN: (纸本)1595930108

This paper proposes LCSE, a learning classifier system ensemble, which is an extension of the classical learning classifier system(LCS). The classical LCS includes two major modules, a genetic algorithm module used to facilitate rule discovery, and a reinforcement learning module used to adjust the strength of the corresponding rules while it receives the rewards from the environment. In LCSE we build a two-level ensemble architecture to enhance the generalization of LCS. In the first-level, new instances are first bootstrapped and sent to several LCSs for classification. Then, in the second-level, a plurality-vote method is used to combine the classification results of individual LCSs into a final decision. Experiments on some benchmark data sets from the UCI repository have shown that LCSE has better generalization ability than the single LCS and other supervised learning methods. © 2005 ACM.

关键词： Data mining

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A metamodel based model transformation approach

A metamodel based model transformation approach

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3rd ACIS International Conference on software Engineering Research, Management and Applications, SERA 2005

作者： Duan, Yucong Cheung, S.C. Fu, Xiaolan Gu, Yuqing Institute of Software Chinese Academy of Sciences China Department of Computer Science Hong Kong University of Science and Technology Hong Kong State Key Laboratory of Brain and Cognitive Science Institute of Psychology Chinese Academy of Sciences China

ISBN: (纸本)0769522971

The information transformation problem of model driven software development (MDSD) processes is gaining increasing attentions. In this paper, we present an indepth analysis of the major causes leading to the ambiguities of existing transformation. A metamodel based approach is then proposed to address these causes, A mechanism to generate transformation rules is devised based on a classification of the UML metamodel elements to be used in subsequent transformation processes. Some other critical issues relating to the generated transformation system are also discussed. © 2005 IEEE.

关键词： software engineering

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Logic-based inference detection in querying XML document

Logic-based inference detection in querying XML document

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2005 International Conference on Information and Knowledge Engineering, IKE'05

作者： Baowen, Xu Jixiang, Jiang Jianjiang, Lu Peng, Wang Dazhou, Kang Department of Computer Science and Engineering Southeast University Nanjing 210096 China Jiangsu Institute of Software Quality Nanjing 210096 China State Key Laboratory of Software Wuhan University Wuhan 430072 China PLA University of Science and Technology Nanjing 210007 China

ISBN: (纸本)9781932415810

The widely use of extensible Markup Language (XML) raises the importance of security and access control for XML documents. Besides access control for XML document on node-level, it is also important to control users for accessing association between the nodes. Inference detection plays a central role in associationlevel access control. In this paper we propose a logicbased approach for inference detection in querying XML document. At first, Basic information is obtained from user query logs and "information-trees" are used to represent all the information a user gets. Then Logic-based method is used to find overlapping parts between "information-trees". Finally, inference detection is achieved by merging the "information-trees". This approach can be used to detect much common inference channels, and can serve as a basic model for future extension.

关键词： XML

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Research of Adaptation of Infrastructures for WSRF in Grid Computing

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The Journal of China Universities of Posts and Telecommunications 2005年第4期12卷 1-5页

作者： YANG Qing WANG Ru-chuant WANG Hai-yan Department of Computer Science and Technology Nanjing University of Posts and Telecommunications Nanjing 210003 P.R. China State Key Laboratory for Novel Software Technology Nanjing University Nanjing 210093 P.R. China

One of the challenges that come from the development of Grid Computing applications is to predigest complicated process of compiling, deploying on the infrastructures and toolkits such as Globus Toolkit. As we explain in this article, we think it is essential to find the solution for rapid Grid Computing applications development. GBuilder is just such a tool we worked out for rapid develop on extant Grid Computing infrastructure platforms. By using GBuilder, applications should be able to react dynamically to different infrastructures and toolkits. Since WS-Resource Framework （WSRF） specifications provide technique standard to developers to declare and implement the association between Web service and one or more stateful resources, we aim at making infrastructures provide WS-Resource according these specifications automatically by adding a middleuaare. This paper focuses on the adapting mechanisms that are provided as the lowermost component of GBuilder. First we study the adapting model for Globus Toolkit in patterns of combination dynamic and static. Then it describes how to apply the dynam-static adaptation flexibly to adjust different infrastructures to provide WS-Resource based on WSRF. At last, it comes along the conclusion and we give out our future works.

关键词： grid computing adaptation WSRF globus toolkit

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A search eigine of internet information based on agent

A search eigine of internet information based on agent

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International Conference on Machine Learning and Cybernetics, ICMLC 2005

作者： Cheng, Xian-Y.I. Yan, L.I. Liu, Y.I.- Song Lin, Qing Bi, Jian-Liang Xia, D.E.-Shen State Key Laboratory for Novel Software Technology Nanjing University Nianjing. 2 10093 China Computer Science and Communication Engineering Institute Jiangsu University Zhenjiang212013 China Department of Computer Science NanJing University of ScienceandTechnology Nianjing 219004 China

In this paper, the frame of AgentSeek, which is a search engine based on Agent are introduced. It can find user interesting the user does want, thereby rates of recall and accuracy have been improved largely. © 2... 详细信息

ISBN: (纸本)078039092X

关键词： Information retrieval

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Research on the analysis and measurement for testing results of web applications

Research on the analysis and measurement for testing results...

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2005 International Conference on Cyberworlds, CW 2005

作者： Xu, Lei Xu, Baowen He, Yanxiang Chen, Hanwu Zhu, Qiaoming Department of Computer Science and Engineering Southeast University Nanjing 210096 China Jiangsu Institute of Software Quality Nanjing 210096 China State Key Laboratory of Software Engineering Wuhan University Wuhan 430072 China School of Computers National University of Defense Technology Changsha 410073 China School of Computer Science and Technology Soochow University Soochow 215006 China

ISBN: (纸本)0769523781

Reasonable analysis and corrective measurement for the testing results of Web applications can effectively judge the effect and efficiency of the testing. Therefore, based on the previous work, we propose a new method for testing results analysis and comparison, which uses the semantic label and XML description technique to realize the information separation between data and display in the Web pages, so as to directly compare the testing results and the expected results. Furthermore, combined with the realities, we determine the metric indexes of Web application testing, so as to provide the criterions and guidelines for the evaluations of the Web applications and their testing processes. And we introduce the feedback control mechanism into the development and evolvement of Web applications, so as to further improve the system quality. © 2005 IEEE.

关键词： World Wide Web

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A general framework of targeted marketing 1

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Third International Atlantic Web Intelligence Conference on Advances in Web Intelligence, AWIC 2005

作者： Huang, Jiajin Zhong, Ning Yao, Y.Y. Liu, Chunnian Multimedia and Intelligent Software Technology Beijing Municipal Key Laboratory College of Computer Science and Technology Beijing University of Technology 100022 Beijing China Department of Information Engineering Maebashi Institute of Technology Maebashi-City 371-0816 Japan Department of Computer Science University of Regina Regina Sask. S4S 0A2 Canada

ISBN: (数字)9783540319009

ISBN: (纸本)3540262199

In this paper, inspired by a unified probabilistic model of information retrieval, we propose a general framework of targeted marketing by considering three types of information, namely, the customer profiles, the product profiles, and the transaction databases. The notion of market value functions is introduced, which measure the potential value or profit of marketing a product to a customer. Four sub-models are examined for the estimation of a market value function. Based on market value functions, two targeted marketing strategies, namely, customer-oriented targeted marketing and product-oriented targeted marketing, are suggested. This paper focuses on the conceptual development of the framework. The detailed computation of a market value function and the evaluation of the proposed framework will be reported in another paper. © Springer-Verlag Berlin Heidelberg 2005.

关键词： Information retrieval

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