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IEEE International Workshop on Semantic Computing and systems, WSCS

作者： Xue Chen Guisheng Chen Jin Liu Xiangfeng Luo Xuhui Li Bing Li The Digital Content Computing and Semantic Grid Group Joint Lab of Next-Generation Internet Interactive Computing Shanghai University China Institute of Electronic System Engineering of China Beijing China The State Key Lab of Software Engineering Wuhan University of China China

ISBN: (纸本)9780769533162

P2P networks have become a popular way to share large volumes of data due to its open and anonymous nature. P2P network model is designed with the targets of decentralization, well-scaling, fault-tolerance and low cost. Meanwhile however, new targets bring new challenges. P2P network expose more security threats due to its open and anonymous nature. P2P networks are vulnerable to attacks by malicious peers that have an incentive to spread viruses, in authentic data, or provide poor quality services. In this paper, we analyze the potential trust problems for different kinds of P2P networks, and then present the general trust factors that are indispensable for building trust models in any kinds of networks.

关键词： Trust factors P2P networks Topology P2P network topology Nonprofit Organizations Trust trust Quality of service large volume data

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Design of Multi-Function Solar-Wireless Network Server for Education

Design of Multi-Function Solar-Wireless Network Server for E...

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2008 IEEE International Symposium on IT in Medicine and Education(2008信息技术在医学和教育中的应用国际研讨会)(ITME 2008)

作者： Wenbo Chen Yuli Liu Qingguo Zhou Nicholas Mc Guire Dechuan Zhang Network Center Lanzhou University P.R.China Engineering Research Center of Open Source Software and Distributed & Embedded System Lab (DSLab) Lanzhou University P.R.China Engineering Research Center o

Multi-function solar-wireless network server is adding solar and WLAN together. The most important development technology for multi-function solar-wireless network server is using solar energy to be the power supply and customized multi-function wireless net services. With all of this the purpose is giving us an easy using, cheap, clean and convenient wireless net server. In the paper, we will show implementation of solar energy control and real useful net services from two parts: high efficiency circuit design and stable software design.

关键词： Network servers Solar energy Wireless LAN Photovoltaic cells Central Processing Unit Power supplies software design Earth Costs Ethernet networks

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Affordable High-Performance Environment for Education in Undeveloped Regions

Affordable High-Performance Environment for Education in Und...

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2008 IEEE International Symposium on IT in Medicine and Education(2008信息技术在医学和教育中的应用国际研讨会)(ITME 2008)

作者： Qingguo Zhou Shuwei Bai Chanjuan Li Wei Zhang Distributed & Embedded System Lab(DSLab) Lanzhou UniversityP.R.China Engineering Research Center of Open Source Software and Real-Time Systems Ministry of EducationLanzhou UniversityP.R.China

The paper will present a new intensive-computing environment for *** environment is different from the conventional high-performance platforms which are very expensive and isn't fit for normal education, especially from the poor area. It adopts Cell system to build low level cluster, and the operating system for the cluster is gentoo linux OS,and the Cell SDK is used to build the development environment, and MPI adopted by the environment is Open-MPI, which is an open source MPI-2 implementation. Cell system is a new kind of heterogeneous multi-core system. There are nine cores in one processor. The node of the cluster is built by the ps3 which adopted the cell as the processor Gentoo lirrux, Cell SDK and Open-MPI are released under GPL, which can be gotten easily by users. The environment has many characters, such as low cost, high performance, easy building and maintenance, easy learning and development, and so on.

关键词： Linux Costs Computer science education systems engineering education Operating systems Clocks Hardware Yarn Embedded system Open source software

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A Case Study of Nanokernel in Education

A Case Study of Nanokernel in Education

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2008 IEEE International Symposium on IT in Medicine and Education(ITME 2008)

作者： Nicholas McGuire Distributed & Embedded System Lab (DSLab) Lanzhou UniversityP. R. China Engineering Research Center of Open Source Software and Real-Time SystemsMinistry of Education Department of Information Science and EngineeringLanzhou UniversityP. R. China

In order to make the operating system in education easier to understand and practice,we advise to introduce a kind of nanokernel to the beginner because the concept of nanokernel was to reduce the kernel to basic schedular,interrupt and timer,and let others reside in user space in forms of normal *** as a special nanokernel is a part of OCERA(Open Components for Embedded Real-time Application) project in Europe.A feature of XtratuM is that it can realize executing several operating system in the same *** a nanokernel with less than 5000 lines source codes,XtratuM has its prospects in resolving complex requirements in embedded developing *** is worth a try to introduce XtratuM as an instructional operating system.

关键词： XtratuM,nanokernel

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Techniques for Efficient Resource Management for Context-Sensitive Mobile Applications

Techniques for Efficient Resource Management for Context-Sen...

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2nd International Conference on Complex, Intelligent and software Intensive systems (CISIS 2008)

作者： Markus Aleksy Ralf Gitzel Gerhard Vollmar Nicolaie Fantana Christian Stich Makoto Takizawa Industrial Software Systems Laboratory Germany ABB Corporate Research Center Sweden ABB Corporate Research Industrial Software Systems Lab Germany Department of Computers and System Engineering Tokyo Denki University

Context-sensitive mobile applications require a certain amount of flexibility due to the fact that they have to provide services for many different situations. The limited resources available make resource management a major challenge in such applications. In this paper, we present different techniques for the efficient use of resources of mobile devices. These techniques support the development of adaptable and flexible context-sensitive applications.

关键词： Resource management Mobile communication Conferences Mobile handsets USA Councils Memory management software

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Aspect-oriented component composition in PacoSuite through invasive composition adapters

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International Journal on software Tools for Technology Transfer 2007年第2期9卷 135-154页

作者： Vanderperren, Wim Suvée, Davy de Fraine, Bruno Jonckers, Viviane System and Software Engineering Lab. Vrije Universiteit Brussel Pleinlaan 2 1050 Brussels Belgium

This work investigates the combination of aspect-oriented and component-based software development. For integrating aspects within component -based applications, we propose two main strategies: (1) integrating the behavior of aspects at the component composition level and (2) integrating the behavior of the aspects within the involved components themselves. We illustrate how the proposed strategies are incorporated in the PacoSuite component-based model, which introduces explicit and reusable protocol descriptions, called composition patterns. Aspects are integrated at the composition level by modularizing them as composition adapters. Composition adapters are visually applied onto a composition pattern and the changes they describe are automatically inserted. Invasive composition adapters are proposed to express aspects that require invasive changes to the internal behavior of the involved components. These changes are automatically inserted into the concerned components and composition patterns. For implementing the invasive adaptations of a composition adapter, we propose to employ aspect-oriented techniques. The proposed approach is implemented in a visual component composition environment and validated by presenting a small e-commerce case-study where three crosscutting concerns are successfully modularized as composition adapters. © Springer-Verlag 2006.

关键词： software engineering

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The service creation environment: A telecom case study

The service creation environment: A telecom case study

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5th Workshop on software engineering Properties of Languages and Aspect Technologies, SPLAT 2007, Held at the 6th International Conference on Aspect-Oriented software Development

作者： Joncheere, Niels System and Software Engineering Lab. Vrije Universiteit Brussel Pleinlaan 2 1050 Brussels Belgium

Composing web services using current web service composition languages (such as BPEL) requires a large amount of in-depth knowledge. This paper introduces a service creation environment (SCE), which aims to facilitate web service composition by providing a higher level of abstraction and guiding developers in creating valid compositions. The paper presents a case study that investigates how the SCE can be used in a telecom setting, and illustrates the SCE's impact on two important software engineering properties. Copyright 2007 ACM.

关键词： Quality of service

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Design and implementation of software architecture for mobile terminals supporting interworking between CDMA and WiBro

Design and implementation of software architecture for mobil...

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2nd International Conference on Convergent Information Technology, ICCIT 07

作者： Kim, Do-Hyung Lee, Hwan-Gu Kim, Won-Tae Kim, Sun-Ja Lee, Cheol-Hoon Embedded S/WResearch Division Electronics and Telecommunications Research Institute Dept. of Computer Engineering System Software Lab. Chungnam National University

ISBN: (纸本)0769530389

This paper describes the design and implementation of software architecture for Linux-based mobile terminals supporting interworking between CDMA and WiBro. The software architecture includes network switching controller which controls the network switching procedure among other modules and multi-option network selection algorithm. The software architecture also includes function which provides network transparency to the higher network layer and mobile IPv4 based mobility function. The implemented software architecture is designed to have expandability in each function and easily applied to the terminal with more than two networks. The procedures and functions of software architecture are verified by interworking with the multimedia application program. © 2007 IEEE.

关键词： Application programs

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DEUCE: Separating concerns in user interfaces

DEUCE: Separating concerns in user interfaces

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2nd International Conference on software engineering Advances - ICSEA 2007

作者： Goderis, Sofie Deridder, Dirk Van Paesschen, Ellen Programming Technology Lab. Vrije Universiteit Brussel System and Software Engineering Lab. Vrije Universiteit Brussel Laboratoire d'Informatique Fondamentale de Lille University of Lille 1

ISBN: (纸本)0769529372

As current software systems evolve continuously, both the application and its user interface (UI) have to be adapted. However, UI code is often scattered through and entangled with the application code. In large and complex UIs, this tangling renders the implementation complex and hard to maintain. The Deuce framework (Declarative User Interface Concerns Extrication) intends to reduce the complexity of UI implementations by applying separation of concerns on three UI concerns: presentation logic, business and data logic, and connection logic. It does so by using a declarative meta-language (SOUL) on top of an object oriented language (Smalltalk) such that an adequate language is provided to describe the entire structure and behavior of the UI, as well as linking it with the application. © 2007 IEEE.

关键词： User interfaces

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Robust and Cost-Efficient Communication Based on SNMP in Mobile Networks

Robust and Cost-Efficient Communication Based on SNMP in Mob...

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Asia Simulation Conference 2007, AsiaSim 2007

作者： Ryu, Sang-Hoon Baik, Doo-Kwon Software System Lab. Dept. of Computer Science and Engineering Korea University 5 Anam-dong Sungbuk-gu Seoul 136-701 Korea Republic of

ISBN: (纸本)9783540775997

A main challenge in the design of this mobile network is the development of dynamic routing protocols that can efficiently find routes between two communicating nodes. Multimedia streaming services are receiving considerable interest in the mobile network business. An entire mobile network may change its point of attachment to the Internet. The mobile network is operated by a basic specification to support network mobility called Network Mobility (NEMO) Basic Support. However, NEMO basic Support mechanism has some problem in continuous communication. In this paper, we propose robust and cost-efficient algorithm. And we simulate proposed method and conclude some remarks. © Springer-Verlag Berlin Heidelberg 2007.

关键词： Wireless networks

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