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On the Privacy Protection in Publish/Subscribe Systems

On the Privacy Protection in Publish/Subscribe Systems

2010 IEEE International Conference Conferenhce on Wireless Communications,Networking and information Security(2010 IEEE 无线通信、网络技术与信息安全国际会议 WCNIS)

作者： Nancy Skocik Weifeng Chen Jianchun Jiang Department of Math Computer Science & Information Systems California University of Pennsylvania Ca National Engineering Research Center of Fundamental Software Institute of Software Chinese Academy o

In a publish/subscribe (pub/sub) system, information (referred to as events) published by publishers and interests submitted by subscribers are sent to the network, which conducts matching between events and interests, and only delivers those events satisfying the interests. When the pub/sub infrastructure is untrusted, it is often desirable to keep both events and interests secret from the pub/sub network. In this paper, we formulate this goal as the private subscription problem. We then describe cryptographic schemes to solve this problem in some types of publish/subscribe systems. The algorithms we present are efficient in that they are based on symmetric encryptions requiring O(n) cipher operations for a message of length n.

关键词： Privacy Protection Subscriptions Cryptography information security Resumes computer science information systems Internet Humans

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Finding near-optimal strategies for negotiation with incomplete information using a diversity controlling EDA

Finding near-optimal strategies for negotiation with incompl...

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International Conference on Supply Chain Management and information Systems (SCMIS)

作者： Jeonghwan Gwak Kwang Mong Sim Minjie Zhang School of Information and Communications Gwangju Institute of Science and Technology Gwangju South Korea School of Computer Science and Software Engineering University of Wollongong Wollongong NSW Australia

Negotiation activities are carried out among stakeholders in a supply chain for resolving the differences in their objectives and preferences. The objective of this work is to find near-optimal negotiation strategies for bilateral negotiation with incomplete information, in which each agent has a competitive objective and incomplete information about its opponent, by coevolving both agents' strategies using an estimation of distribution algorithm (EDA). However, an EDA often cannot find optimum solutions for both the agents for the reason that one of the two agents' populations has a very rapid convergence rate than the other population in the process of coevolution. Hence, the resulting solutions of both the agents will be biased and converge to suboptimal ones. To solve this problem, this paper proposes an EDA which has a novel diversity controlling capability. The proposed method utilizes the accumulated frequency information of the occurrence of individuals in each band of a population for generations. The information is used in the diversification and refinement procedure of the proposed diversity controlling EDA. Results from a series of experiments indicate that the proposed diversity controlling EDA achieves a better performance than the EDA without a diversity controlling method for the problem task in finding near-optimal solutions.

关键词： Convergence Diversity methods Aerospace electronics Measurement Probability distribution Raw materials Proposals

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Lecture Notes in computer science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics): Preface

Lecture Notes in Computer Science (including subseries Lectu...

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Lecture Notes in computer science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 2010年 6083 LNCS卷 V-VI页

作者： Malyshkin, Victor Hsu, Ching-Hsien Abramov, Sergey M. Yang, Chu-Sing Chung Hua University Department of Computer Science and Information Engineering Hsinchu 300 Taiwan Supercomputer Software Department Institute of Computational Mathematics and Mathematical Geophysics 630090 Novosibirsk Russia

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Research and Design of the APC and ATC Circuits in LD Controller

Research and Design of the APC and ATC Circuits in LD Contro...

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2010 International Conference on computer,Mechatronics,Control and Electronic engineering(2010计算机、机电、控制与电子工程国际会议 CMCE 2010)

作者： Guoying meng Baishun Su Zhengduo Pang Nianfeng Shi Xingjun Li Institute of Mechanical Electronic & Information Engineering University of Mining & Technology Beiji Department of Computer and Information Engineering Luoyang Institute of Science and Technology Luoya Beijing Shenzhou Aerospace Software Technology Co.Ltd Beijing China

ISBN: (纸本)9781424479573

The key issues that the LD used in the field of sensing and monitoring as light source is to ensure its safety and stable output power. This paper presents a new method to ensure the stable output power and designs a circuit, including the automatic power control (APC) circuit and automatic temperature control (ATC) circuit. Through its application in the oil contamination sensor, its reliability and validity is proved.

关键词： LD APC circuit ATC circuit IC-WK

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Realtime Simulation of Burning Solids on GPU with CUDA

Realtime Simulation of Burning Solids on GPU with CUDA

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International Conference on computer and information Technology (CIT)

作者： Jian Zhu Youquan Liu Kai Bao Yuanzhang Chang Enhua Wu Department of Computer and Information Science University of Macau Macao China School of Information Engineering Chang'an University Xi'an China State Key Laboratory of Computer Science Institute of Software Chinese Academy and Sciences Beijing China

In this paper, we implement a hybrid combustion model which incorporates the fire simulation and solid burning together. To achieve real-time performance, GPU is used to solve the Navier-Stokes equations with CUDA pro... 详细信息

关键词： Computational modeling Mathematical model Graphics processing unit Solids Solid modeling Rendering (computer graphics) Equations

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An Investigation onTacit Knowledge Transfer Among Aircraft Engineer: Malaysia Experience

An Investigation onTacit Knowledge Transfer Among Aircraft E...

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The 2nd International Conference on software engineering and Data Mining(IEEE 第二届国际软件工程和数据挖掘学术大会 SEDM 2010)

作者： R.Ahmad N. Khamis N. Jamain M.H.N.M.Nasir Z.M.Kasirun B.Abd Latif Dept. of Software Engineering Faculty of Computer Science and Information Technology University of M Malaysian Institute of Aviation Technology Universiti Kuala Lumpur MALAYSIA

Transfer of gained experience, skills and know-how in aircraft maintenance from experts to trainees assures the organizational learning in providing quality of service. Taking survey method, this paper presents an early investigation on effective mechanism of knowledge transfer among aircraft engineers in Malaysia and a proposal on its implementation within the aviation domain.

关键词： tacit knowledge knowledge transfer organizational learning aircraft maintenance Malaysia

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Reports on the AAAI 2009 fall symposia

Reports on the AAAI 2009 fall symposia

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作者： Azevedo, Roger Bench-Capon, Trevor Biswas, Gautam Carmichael, Ted Green, Nancy Hadzikadic, Mirsad Koyejo, Oluwasanmi Kurup, Unmesh Parsons, Simon Pirrone, Roberto Prakken, Henry Samsonovich, Alexei Scott, Donia Souvenir, Richard Department of Psychology Institute for Intelligent Systems University of Memphis United States Department of Computer Science University of Liverpool United Kingdom Center for Intelligent Systems Vanderbilt University United States Department of Computer Science University of North Carolina Charlotte United States Department of Computer Science University of North Carolina Greensboro United States Department of Software and Information Systems University of North Carolina Charlotte United States Complex Systems Institute United States Department of Electrical and Computer Engineering University of Texas Austin United States Department of Cognitive Science Rensselaer Polytechnic Institute Troy NY United States Department of Computer and Information Science Brooklyn College City University New York United States University of Palermo Italy Computer Science Department Utrecht University Netherlands Department of Law and IT Law Faculty University of Groningen Netherlands Krasnow Institute for Advanced Study George Mason University United States Computational Linguistics Department Informatics at the University of Sussex United Kingdom

The Association for the Advancement of Artificial Intelligence was pleased to present the 2009 Fall Symposium Series, held Thursday through Saturday, November 5-7, at the Westin Arlington Gateway in Arlington, Virginia. The Symposium Series was preceded on Wednesday, November 4, by a one-day AI funding seminar. The titles of the seven symposia were as follows: (1) Biologically Inspired Cognitive Architectures, (2) Cognitive andMetacognitive Educational Systems, (3) Complex Adaptive Systems and the Threshold Effect: Views from the Natural and Social sciences, (4) Manifold Learning and Its Applications, (5) Multirepresentational Architectures for Human-Level Intelligence, (6) The Uses of Computational Argumentation, and (7) Virtual Healthcare Interaction. Copyright © 2010, Association for the Advancement of Artificial Intelligence. All rights reserved.

关键词： Cognitive systems

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An evolutionary multi-objective approach for dynamic mission planning

An evolutionary multi-objective approach for dynamic mission...

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Congress on Evolutionary Computation

作者： Lam Thu Bui Zbignew Michalewicz Department of Software Engineering Faculty of IT Quy Don University Vietnam Polish Japanese Institute of Information Technology Warsaw Poland School of Computer Science University of Adelaide Adelaide SA Australia Institute of Computer Science Polish Academy of Sciences Warsaw Poland

In this paper, we propose a computational approach for adaptation in mission planning, an important process in the chain of command and control. In this area, it has been highly regarded that military missions are often dynamic and uncertain. This characteristic comes from the nature of battlefields where the factors of enemies and terrains are not easy to be determined. Hence, it is necessary to generate plans that can adapt quickly to the changes during the missions, while avoiding paying a high cost. In addressing such an adaptation process, the issue of multi-objectivity can not be avoided. Our approach first mathematically models the dynamic planning problem with two criteria: the mission execution time and the cost of operations. Based on this quantification, we introduce an evolutionary multi-objective mechanism to adapt the current solution to new situations resulted from changes. We carried out a case study on this newly proposed approach. A modified military scenario of a mission was used for testing. The obtained results strongly support our proposal in finding adaptive solution dealing with the changes.

关键词： Planning Optimal scheduling Uncertainty Robustness Evolutionary computation Markov processes

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Modeling BPEL and BPEL4People with a Timed Interruptable pi-Calculus

Modeling BPEL and BPEL4People with a Timed Interruptable pi-...

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IEEE Annual International computer software and Applications Conference (COMPSAC)

作者： Wei Jin Hanpin Wang Yongzhi Cao Zizhen Wang Xiaojuan Ban Institute of Software School of Electronics Engineering and Computer Science Peking University Beijing China Ministry of Education Key laboratory of High Confidence Software Technologies Beijing China Information Engineering School University of Science and Technology Beijing Beijing China

Business Processing Execution Language (BPEL) and BPEL for People (BPEL4People) are two web services orchestration languages for composing web services. To describe formally their semantics, we introduce the π it -calculus, a new variant of the π-calculus, in this paper. The good feature of the π it -calculus is that its execution can be interrupted and can handle timing events as well. We provide both syntax and semantics of the π it -calculus and define a strong bisimulation relation that specifies when two processes can be considered as the same. With the new calculus, we then model the activities of BPEL and BPEL4People, and give their precise semantics. Our formal framework may facilitate the reliability and consistency analysis in a BPEL or BPEL4People design process.

关键词： Timing Semantics Web services Syntactics Humans Calculus Context

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MMIR: Mining Multi-scale Intervention Rules in Sub-Complex System

MMIR: Mining Multi-scale Intervention Rules in Sub-Complex S...

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International Asia-Pacific Web Conference (APWEB)

作者： Zheng Jiaoling Tang Changjie Qiao Shaojie Yang Ning Wang Yue Chen Yu Zhu Jun Department of Software Engineering Chengdu University of Information and Technology Chengdu China Institute of Database and Knowledge Engineering School of Computer Science Sichuan University Chengdu China School of Information Science and Technology Southwest Jiaotong University Chengdu China

Intervention analysis is the common method to reveal relationships between objects in human as well as biological society. Data mining research community is just starting to pay attention to intervention analysis. As the traditional association rules are not successful at measuring intervention, this paper tries to mining intervention rules from time series data of sub-complex system. The main contributions of this study include: (1) introduces a new concept of intervention rules. It can quantitatively detect at what scale, how intensive and how long the intervention does make sense; (2) conduct wavelet transform on time series. The decomposition scale can denotes the intervention scale; (3) proposes a new concept named directional correlation to measure intervention intensity; (4) calculates the intervention intensity between time series data with different time delays. The time delay can uncover after how long the intervention takes place; (5) conducts experiments on real datasets. The results show that intervention rules do exist at different decomposition scale of the original data. Moreover, the number of rules discovered by multi-scale analyzing methods is always 4 or 5 times more than those found by single scale methods. And the stability of rules discovered by the improved multi-scale mining algorithm MMIR* is always 100%, while the stability of rules discovered by the basic multi-scale mining algorithm MMIR fluctuate around 70%.

关键词： Heart rate Data mining Delay effects Stability Frequency Association rules Time measurement Control systems Databases Knowledge engineering

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