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11th IEEE international Symposium on distributed Simulation and Real-Time Applications

作者： Demestichas, K. Adamopoulou, E. theologou, M. Desiniotis, C. Markoulidakis, J. Natl Tech Univ Athens 9Iroon Polytech Str GR-15773 Zografos Greece Vodafone Panafon Greece R&D Dept Halandri 15231 Greece

ISBN: (纸本)9780769530116

the present paper introduces the innovative concept of a new type of services, called Ambient Community Services (ACS). the ACS concept utilizes information that resides in communities of mobile terminals, such as location, speed, sensor-related data or user-created multimedia content. After the collection, processing and filtering of these data, a number of innovative, heterogeneous value-added applications can be provided to the end-users, such as the provision of vehicular traffic conditions. ACS advances the social networking by allowing users to form cooperative, service-enabling communities. this paper includes a thorough description of the state-of-the-art, the proposed system architecture and communication flow, potential enabled applications, important implementation aspects, as well as future research activities.

关键词： Mobile communication Telecommunication traffic Social network services Mobile handsets Filtering Research and development Context Information retrieval Peer to peer computing Emergency services

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A flexible, lightweight middleware supporting the development of distributed applications across platforms

A flexible, lightweight middleware supporting the developmen...

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11th international conference on Computer Supported Cooperative Work in Design, CSCWD 2007

作者： Baloian, Nelson Zurita, Gustavo Antunez, Pedro Baytelman, Felipe Information Systems Department Business School Universidad de Chile Santiago Chile Department of Computer Science Universidad de Chile Santiago Chile Department of Informatics Faculty of Sciences University of Lisboa Bloco C6 Campo Grande 1700 Lisboa Portugal

ISBN: (纸本)1424409632

Middleware supporting the development of distributed systems has been produced since the beginnings of the Internet. With the emergence of mobile computing new requirements for this kind of middleware arise since the scenario for mobile computing is very different from the desktop computing one. Nowadays, because increasing ubiquitous computing, new scenarios in which desktop computing application should communicate with mobile application are becoming more and more frequent. In this paper we present a platform which apart of being lightweight and easy to use has also the advantage that it enables the communication of software objects between the most used two platformsfor mobile devices. JME using the Java language and .Net using C#. ©2007 IEEE.

关键词： Middleware

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Adaptive real-time computation coordination for the web services based computing architecture

Adaptive real-time computation coordination for the web serv...

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11th international conference on Computer Supported Cooperative Work in Design, CSCWD 2007

作者： Tsai, Min-Jen Wang, Chen-Sheng Institute of Information Management National Chiao Tung University Hsinchu Taiwan

ISBN: (纸本)1424409632

Computation coordination is an important decision making activity in the real-time distributed computing in order to achieve the optimal performance. the computing Power Sharing (CPS) is a lightweight web services based architecture, and suitable for enterprise computing works which are able to run in batch format within a trusty network. the architecture relies on Business Process Execution Language (BPEL) which provides a visualized development environment and workflow control management. An adaptive real-time coordination module based on fuzzy group decision making policy that implements fuzzy resolution process facilitates the CPS architecture to provide the real-time computation coordination with quality of service. In this paper, the collaborated computing system has been applied to analyze the robustness of digital watermark by filter bank selection. As the result of this study, the performance can be improved in the aspect of speedup, stability and process time. ©2007 IEEE.

关键词： Web services

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Sustainable virtual utilities based on microgrids

Sustainable virtual utilities based on microgrids

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11th World Multi-conference on Systemics, Cybernetics and Informatics/13th international conference on Information Systems Analysis and Synthesis

作者： Gustavsson, Rune Blekinge Inst Technol Sch Engn SE-37225 Ronneby Sweden

ISBN: (纸本)9781934272268

Next generation of energy systems, being dependant on Renewable Energy Resources (RES) and distributed Generation (DG), will typically be based on flexible virtual cells of cells of balanced power consumption - generation, that is microgrids, rather than present day vertical hierarchical grid systems. Furthermore, the supporting information infrastructure and nonlinear dependencies will pose new dependability challenges to the systems involved. As a consequence, we have to decouple present day proprietary hierarchical SCADA systems into sets of services that allow for horizontal as well as vertical integration supporting operations and business models of future virtual utilities. the virtual utilities are integrating two critical infrastructures;power grids and cyber networks. To allow for this flexibility and assuring dependability we argue that the underlying infrastructures should be modelled as Service Oriented Architectures (SOA). We propose in this paper a methodology towards ensuring quality of service in virtual utilities based on microgrids.

关键词： microgrids SCADA critical infrastructures critical information systems service oriented systems quality of service autonomic computing

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Application of mojette transform in internet distributed databases

Application of mojette transform in internet distributed dat...

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11th international conference on Intelligent Engineering Systems

作者： Serfozo, P. Vasarhelyi, J. Turan, J. Univ Miskolc 1 Dept Automat Egyetemvaros 1 H-3515 Miskolc Hungary Tech Univ Kosice Dept Multimedia Commun Kosice Slovakia

ISBN: (纸本)9781424411474

In the last twelve years there were intensive researches to find new methods for image processing. One of these methods is the Mojette transform (MOT). this transform is an exact discrete Radon transform defined for a set of specific projections. the MOT is used mainly in image processing applications. there were several implementation using personal computers. there are some applications where real time computing is a must, but the implementations before can not accomplish this requirement. there is analyzed the Mojette algorithm implementation for images of 256x256 pixels. there is also presented the implementation of MOT and Inverse Mojette transform (IMOT) on embedded reconfigurable platform. the paper outline the development work based on Xilinx ML310 board.

关键词： Personal computers

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Segmentation of color images using multi-FART network

Segmentation of color images using multi-FART network

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SNPD 2007: 8th ACIS international conference on Software Engineering, Artificial Intelligence, networking, and Parallel/distributed computing

作者： Yiwen, Dou Guobing, Ma. Computer Science Engineering Department Anhui University of Technology and Science 8 ZheShan East Road Wu Hu 241000 An Hui prov. China School of Computer Qingdao Technological University 11 FuShun Road Qing Dao 266033 Shan Dong prov. China

ISBN: (纸本)0769529097

this paper proposed a multi-FART neural network for color image segmentation. the network received three transformed color components - hue, value and saturation. then, using multi-FART network categorical ability, its output will send the categorized values to the decision layer. After combined post-processing, the right categorization of color vector is output from the last layer. Compared with color watershed algorithm, experiments on color image show promising results. © 2007 IEEE.

关键词： Color image processing

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Transport protocols for wireless sensor networks: State-of-the-art and future directions

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international JOURNAL OF distributed SENSOR NETWORKS 2007年第1期3卷 119-133页

作者： Jones, Justin Atiquzzaman, Mohammed Univ Oklahoma Sch Comp Sci Norman OK 73019 USA

Characteristics of wireless sensor networks, specifically dense deployment, limited processing power, and limited power supply ,provide unique design challenges at the transport layer. Message transmission between sensor nodes over a wireless medium is especially expensive. Care must be taken to design an efficient transport layer protocol that combines reliable message delivery and congestion control with minimal overhead and retransmission. Sensor networks are created using low cost, low power nodes. Wireless sensors are assumed to have a finite lifetime;care must be taken to design and implement transport layer algorithms that allow maximum network lifetime. In this paper we present current and future challenges in the design of transport layers for sensor networks. Current transport layer protocols are compared based on how they implement reliable message delivery, congestion control, and energy efficiency.

关键词： wireless networking wireless sensor network WSN transport layer layer 4 end-to-end reliability

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From parallel data mining to grid-enabled distributed knowledge discovery

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11th international conference on Rough Sets, Fuzzy Sets, Data Mining and Granular computing (RSFDGrC 2007)

作者： Cesario, Eugenio Talia, Domenico CNRS ICAR F-75700 Paris France Univ Calabria DEIS Calabria Italy

ISBN: (纸本)9783540725299

Data mining often is a compute intensive and time requiring process. For this reason, several data mining systems have been implemented on parallel computing platforms to achieve high performance in the analysis of large data sets. Moreover, when large data repositories are coupled with geographical distribution of data, users and systems, more sophisticated technologies are needed to implement high-performance distributed KDD systems. Recently computational Grids emerged as privileged platforms for distributed computing and a growing number of Grid-based KDD systems have been designed. In this paper we first outline different ways to exploit parallelism in the main data mining techniques and algorithms, then we discuss Grid-based KDD systems.

关键词： rough set parallel data mining distributed data mining grid

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the design and implementation of a GMA based grid monitoring service

The design and implementation of a GMA based grid monitoring...

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11th international conference on Computer Supported Cooperative Work in Design, CSCWD 2007

作者： Shen, Jianbo Gong, Bin Hu, Yi Li, Sha Department of Computer Science and Technology Shandong University Jinan 250061 Shandong China Shandong Institute of Scientific and Technical Information Jinan 250021 Shandong China

ISBN: (纸本)1424409632

Because of the distributing and heterogeneity of Grid, system monitoring is very important to the grid environment. Now, a lot of grid monitoring systems have been developed and a Grid Monitoring Architecture (GMA) has been proposed by Global Grid Forum. this paper describes the monitoring system GMS (Grid Monitoring Service). GMS is a general purposed, scalable and distributed grid monitoring service based on GMA. this paper presents information regarding the design and implementation of GMS. It describes the architecture, components, implementation and application of GMS. Finally, it summarizes the characteristics of GMS andfigures out the emphasis of future work. ©2007 IEEE.

关键词： Grid computing

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Incentive-based scheduling framework for Grid computing 11

Incentive-based scheduling framework for Grid computing

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11th IASTED international conference on Software Engineering and Applications, SEA 2007

作者： Suresh, S. Gayathri, C.G. Birahadish, P. Saravanan, B. Department of IT and Placement Coordinator India VLB Janakiammal College of Engineering and Technology Coimbatore641042 India

ISBN: (纸本)9780889867055

In recent years, many studies have been conducted on Grid computing, in which users and resource providers organize various Virtual Organizations (VOs) to share resources and services. Sharing the resources to accomplish a task within a time-frame will have its benefits if it is done based on the Incentives which help to overcome the issues in Policy Based Resource Allocation. A VO organizes other sub-VOs for the purpose of achieving the VO goal, which forms the hierarchical VO environment. In this paper, we model and formalize the resource allocation problem in hierarchical VOs. Resource providers and VOs agree upon the VO resource sharing policy, such as resource sharing amount and resource usage cost for VOs. We provide the resource allocation scheme of a VO resource broker to increase the reliability on completing tasks with shared resources in order to meet a user's job deadline. In addition, several cost adjustment methods in resource providers to utilize their resources efficiently in hierarchical VOs are dealt. the rapid growth of computer and network technologies has enabled global computing with plenty of resources which are heterogeneous and distributed geographically. the Grid has started from the realization of scientific computations over geographically distributed systems and has been an emerging technology in recent years. Many studies on Grid computing have been conducted, such as resource allocation, resource management, security, and Web Services. the large-scale Grid research projects provide VO services and organize various VOs to utilize distributed resources efficiently. In VO-enabled Grid environments, the VO-wide resource allocation problem becomes an emerging research topic, which enables a user to access several resources throughout VOs. the VO organizes its own sub-VOs for the purpose of achieving the VO goal, which forms the hierarchical VO environment. this paper deals with resource allocation problem in hierarchical VOs. Another import

关键词： Grid computing

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