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International Conference on Software engineering Research, Management and Applications (SERA)

作者： Eun-Ser Lee Haeng-kon Kim Sun-myoung Hwang Information & Media Technology Institute Soongsil University South Korea Department of Computer Information & Communication Engineering Catholic University of Daegu South Korea Daejeon University Daejeon South Korea

A software process can be characterized as the ISO/IEC 15504. A common process framework is established by defining a small number of framework activities that are applicable to all software projects, regardless of their size or complexity. There are many risk items of the project development that cause the process maturity level occurring in the quality problems during process management and project progress. This paper designs the opportunity tree that management of security requirement the current domain and their problems solution as well. And this paper reference ISO/IEC 15504 and ISO/IEC 15408 as the international standard. In this paper, we propose a security requirement handing based approach considering security when developing system.

关键词： ISO standards IEC standards computer security Application software Power engineering and energy information security Data engineering Programming Refining Data security

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Design Opportunity Tree of Capability Improve for Level-up and Software Process Improvement

Design Opportunity Tree of Capability Improve for Level-up a...

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International Conference on Software engineering Research, Management and Applications (SERA)

作者： Eun-Ser Lee Haeng-kon Kim Sun-myoung Hwang Information & Media Technology Institute Soongsil University South Korea Department of Computer Information & Communication Engineering Catholic University Daegu South Korea Daejeon University Daejeon South Korea

There are many risk items of the project development that cause the process maturity level occurring in the quality problems during process management and project progress. This paper designs the opportunity tree that level-up the current environments and their problems solution as well. For the similar projects, we can estimate defects and prepare to solve them by using domain expert knowledge and the opportunity tree, which can greatly improve the software process. And this paper reference ISO/IEC 15504 as the international standard. Also, this paper is intended to develop the relationship between process improvement and their causes to introduce. Therefore, using defect causes, we understand the associated relationship between AHP and design opportunity tree to level-up.

关键词： ISO standards IEC standards Project management Conference management Quality management Research and development management Risk management Software development management technology management engineering management

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A Framework to build an object oriented mathematical tool with computer algebra system (CAS) capability

A Framework to build an object oriented mathematical tool wi...

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International Conference on Semantic Computing

作者： Dil Muhammad Akbar Hussain Ole Thomsen Buus Fsehazion Kiros Nicholas Wichmann Balatharan Selvarajah Zaki Ahmad Information and Security Analysis Research Center Department of Computer Science and Media Technology University of Aalborg Denmark School of Electronic Communication and Electrical Engineering University of Herfordshire UK

computer algebra system (CAS) applications are mathematical applications developed with the purpose of solving mathematical problems which are too difficult or even impossible to solve by hand. Modern versions of CAS applications are known for their rather large set of features such as support for graphical representations of results, symbolic manipulation, big-integer calculations, and complex-number arithmetic. The proposed idea in developing framework for a mathematical tool with CAS capability is derived from the motivation of object oriented design that integrate each application process in terms of an independent object module. Additional motivation is scalability and interface, meaning more functionality can be integrated without changing any core existed module, that is just create a new object and plug in.

关键词： Algebra Content addressable storage Application software Mathematics Communication system security computer security information security information analysis computer science Equations

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Filtering of discrete linear repetitive processes with ∞ and 2-∞ performance

Filtering of discrete linear repetitive processes with ∞ an...

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2007 IEEE International Symposium on Circuits and Systems, ISCAS 2007

作者： Ligang, Wu Lam, James Paszke, Wojciech Galkowski, Krzysztof Rogers, Eric Kummert, Anton Space Control and Inertial Technology Research Center Harbin Institute of Technology Harbin 150001 China Department of Mechanical Engineering University of Hong Kong Pokfulam Road Hong Kong Hong Kong Institute of Control and Computation Engineering University of Zielona Góra 65-246 Zielona Góra Poland School of Electronics and Computer Science University of Southampton Southampton SO17 IBJ United Kingdom University of Wuppertal Faculty of Electrical Information and Media Engineering Communication Theory

This paper considers the general filtering problem for a distinct class of two-dimensional (2-D) discrete linear systems, i.e. information propagation in two independent directions, known as discrete linear repetitive processes which are of both system-theoretic and applications interest. In particular, new results on the design of filters with guaranteed levels of performance are developed. These take the form of algorithms for the design of an ∞ and 2-∞ dynamic output feedback filter which guarantees that the resulting filtering error process is stable and has prescribed disturbance attenuation performance as measured by ∞ and 2- ∞ norms. © 2007 IEEE.

关键词： Signal filtering and prediction

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Context Dependent Reconstructive Communication

Context Dependent Reconstructive Communication

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International Symposium on Computational Intelligence and Intelligent Informatics, ISCIII

作者： Laszlo T. Koczy Tamas D. Gedeon Department of Computer Science Australian National University Canberra Australia Department of Telecommunications and Media Informatics Budapest University슠of슠Technology슠and슠Economics Budapest Hungary Institute of Mechanical Electrical Engineering and Information Technology Széchenyi István University Gyor Hungary

Fuzzy communication contains vague or imprecise components and it might lack of abundant information. If two entities (man or machine) are communicating by a fuzzy channel, it is necessary that both ends possess the same codebook. The codebook might partly consist of common knowledge but it usually requires a context dependent part that is either learned by the communicating entity or defined by expert knowledge. Possibly it is continuously adapting to the input information. If such a codebook is not available or it contains too imprecise information, the information to be transmitted might be too much distorted and might lead to misunderstanding, misinterpretation and serious damage. If however the quality of the available codebook is satisfactory, the communication will be efficient i. e., the original contents of the message can be reconstructed. At the same time it is cost effective, as fuzzy communication is compressed as compared to traditional "abundant communication".

关键词： Context Dairy products Telephony information technology computer science Informatics Environmental economics Laboratories Communication effectiveness Humans

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H∞ Filtering for a class of 2D systems

H∞ Filtering for a class of 2D systems

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European Signal Processing Conference (EUSIPCO)

作者： Ligang Wu James Lam Wojciech Paszke Krzysztof Gałkowski Eric Rogers Anton Kummert Space Control and Inertial Technology Research Center Harbin Institute of Technology Harbin P. R. China Department of Mechanical Engineering The University of Hong Kong Hong Kong Institute of Control and Computation Engineering University of Zielona Góra 65–246 Zielona Góra Poland Uniwersytet Zielonogorski Zielona Gora Lubuskie PL Department of Electronics and Computer Science University of Southampton Southampton U.K. Information and Media Engineering University of Wuppertal Faculty of Electrical

The unique characteristic of a repetitive process is a series of sweeps or passes through a set of dynamics defined over a finite duration known as the pass length. At the end of each pass, the process is reset and the next time through the output, or pass profile, produced on the previous pass acts as a forcing function on, an hence contributes to, the dynamics of the new pass profile. They are hence a class of systems with information propagation in two independent directions where here the dynamics over the finite pass length are described by a matrix linear differential equation and that from pass to pass has a discrete updating structure. This means that filtering/estimation theory/algorithms for, in particular, 2D discrete linear systems is not applicable. In this paper we solve a general filtering problem with a view toward use in the many applications where such action will be required.

关键词： Stability analysis Asymptotic stability Process control Signal processing Linear systems Filtering State-space methods

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Monte Carlo go has a way to go

Monte Carlo go has a way to go

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21st National Conference on Artificial Intelligence and the 18th Innovative Applications of Artificial Intelligence Conference, AAAI-06/IAAI-06

作者： Yoshimoto, Haruhiro Yoshizoe, Kazuki Kaneko, Tomoyuki Kishimoto, Akihiro Taura, Kenjiro Department of Information and Communication Engineering University of Tokyo Japan Graduate School of Information Science and Technology University of Tokyo Japan Department of Graphics and Computer Sciences University of Tokyo Japan Department of Media Architecture Future University Hakodate Japan

ISBN: (纸本)1577352815

Monte Carlo Go is a promising method to improve the performance of computer Go programs. This approach determines the next move to play based on many Monte Carlo samples. This paper examines the relative advantages of additional samples and enhancements for Monte Carlo Go. By parallelizing Monte Carlo Go, we could increase sample sizes by two orders of magnitude. Experimental results obtained in 9 × 9 Go show strong evidence that there are trade-offs among these advantages and performance, indicating a way for Monte Carlo Go to go. Copyright © 2006, American Association for Artificial Intelligence (***). All rights reserved.

关键词： Monte Carlo methods

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Low-power group key agreement for heterogeneous wireless networks

Low-power group key agreement for heterogeneous wireless net...

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2006 International Wireless Communications and Mobile Computing Conference, IWCMC 2006

作者： Teo, Joseph Chee Ming Tan, Chik How Ng, Jim Mee Information Communication Institute of Singapore School of Electrical and Electronic Engineering Nanyang Technological University Singapore NISlab Department of Computer Science and Media Technology Gjøvik University College Norway

ISBN: (纸本)1595933069

Heterogeneous wireless networks are gaining popularity as users can be connected to these networks without any cables and even when they are mobile. The high power nodes in heterogeneous wireless networks do not have energy constraints but the user nodes, which can be large in numbers, are usually low power energy constrained devices. Therefore, the GKA protocol used to secure group communications in these networks has to take into consideration both the low power nature of the user nodes and the network size. In this paper, we present an energy efficient and scalable GKA protocol, which uses our proposed Contributory Ring-Centralized (ContRi-Central) group model. Besides providing complexity analysis, we also show the computational and communication energy consumption costs analysis of all nodes running our proposed scheme and four other efficient GKA protocols. Both the complexity analysis and energy consumption costs analysis indicate that our proposed scheme is more efficient and suitable for heterogeneous wireless networks. Copyright 2006 ACM.

关键词： Energy efficiency

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Energy-efficient ID-based group key agreement protocols for wireless networks 20

Energy-efficient ID-based group key agreement protocols for ...

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20th IEEE International Parallel and Distributed Processing Symposium, IPDPS 2006

作者： Tan, Chik How Teo, Joseph Chee Ming NISlab Department of Computer Science and Media Technology Gjøvik University College Norway Information Communication Institute of Singapore School of Electrical and Electronic Engineering Nanyang Technological University Singapore 639798 Singapore

ISBN: (纸本)1424400546

One useful application of wireless networks is for secure group communication, which can be achieved by running a Group Key Agreement (GKA) protocol. One well-known method of providing authentication in GKA protocols is through the use of digital signatures. Traditional certificate-based signature schemes require users to receive and verify digital certificates before verifying the signatures but this process is not required in ID-based signature schemes. In this paper, we present an energy-efficient ID-based authenticated GKA protocol and four energy-efficient ID-based authenticated dynamic protocols, namely Join, Leave, Merge and Partition protocol, to handle dynamic group membership events, which are frequent in wireless networks. We provide complexity and energy cost analysis of our protocols and show that our protocols are more energy-efficient and suitable for wireless networks. © 2006 IEEE.

关键词： Wireless telecommunication systems

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A multicast handover scheme in HMIPv6 mobile networks

International Journal of Multimedia and Ubiquitous Engineeri...

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International Journal of Multimedia and Ubiquitous engineering 2006年第1期1卷 1-9页

作者： Park, Sangjoon Kim, Miyoung Mun, Hyunjoo Lee, Jongchan Kim, Kwan-Joong Park, Gil-Cheol Kim, Byunggi Information and Media Technology Institute Soongsil University Korea Republic of Department of Computer Soongsil University Korea Republic of Department of Computer Information Kunsan National University Korea Republic of Department of Computer and Information Hanseo University Korea Republic of Department of Multimedia Engineering Hannam University Korea Republic of

Multicast service, which is one of the multi-point communication methods, should be applied to adjust it to evolving mobile network environment. In this paper, we propose a fast multicast management scheme for mobile terminals in HMIPv6-based mobile networks. In HMIPv6-based mobile network environment, multicast management scheme provides multicast service during mobile handover depending on the change of multicast transmission routing. Changed impact of the multicast routing is determined by handovers processed intra AR, inter AR, or MAP. Our multicast supporting scheme, which is proposed in this paper, uses tunneling scheme for intra AR handovers, and advance registration scheme for intra AR handovers to support multicast service management scheme depending on the changed impact of the multicast routing.

关键词： Wireless networks

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