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International Symposium on Parallel and Distributed Processing (IPDPS)

作者： A. Barmouta R. Buyya Department of Computer Science and Software Engineering University of Western Australia Nedlands WA Australia Grid Computing and Distributed Systems (GRIDS) Lab Department of Computer Science and Software Engineering University of Melbourne Australia

Computational Grids are emerging as a new infrastructure for Internet-based parallel and distributed computing. They enable the sharing, exchange, discovery, and aggregation of resources distributed across multiple administrative domains, organizations and enterprises. To accomplish this, Grids need infrastructure that supports various services: security, uniform access, resource management, scheduling, application composition, computational economy, and accounting. Although several initiatives are engaged in the development of Grid technologies, Grid accounting issues are yet to be addressed. To overcome this limitation, we propose a new infrastructure called GridBank that provides services for accounting. The support of computational economy and accounting services can lead to a self-regulated accountability in Grid computing. This paper presents requirements of Grid accounting and different economic models within which it can operate and proposes a Grid Accounting Services Architecture to meet them. The paper highlights implementation issues with a detailed discussion on the format for various records/databases that the GridBank needs to maintain. It also presents protocols for interaction between the GridBank and various components within Grid computing environments.

关键词： Grid computing Computer architecture Distributed computing Concurrent computing Internet Security Resource management Processor scheduling Computer applications Environmental economics

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AGENT-ORIENTED METASYNTHETIC engineering FOR DECISION MAKING

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International Journal of Information Technology & Decision Making 2003年第2期2卷 197-215页

作者： L. B. CAO R. W. DAI Department of Software Engineering Faculty of Information Technology University of Technology Sydney PO Box 123 Broadway NSW 2007 Australia Complex Systems and Intelligence Science Lab Institute of Automation Chinese Academy of Sciences P. O. Box 2728 Beijing 100080 China

Decision making plays a more and more important role in present society, especially in dealing with open complex giant systems, such as macroeconomic decision making. A feasible and effective approach for dealing with the increasingly remarkable decision making problems, in particular open complex giant systems, is to construct a Hall for Workshop of Metasynthetic engineering (HWME), which is essentially an open giant intelligent decision support system in itself. On the other hand, the emergent agent technology is proposed and popularized as a new computing paradigm for building complex software systems. In this paper, we first briefly introduce the principle of metasynthetic engineering and the HWME in terms of decision support, and propose the network-based hierarchical model of an HWME. Furthermore, we discusse the design idea of agent-oriented metasynthetic engineering for decision support systems. We discuss the design scheme, the framework and the working mechanism of an HWME based on intelligent agents in Java which took the macroeconomic decision making as an instance. In addition, we further examine the fundamental problem of designing agent-oriented open giant intelligent decision support systems. The suitability and challenges of the present agent-oriented abstractions for open giant intelligent systems are further analyzed. Then, we propose the concept of societal abstraction for agent-oriented open giant intelligent systems, which is based on the following hypothesis: a unified mechanism — societal interactions, organizational schemes and component patterns, and multi-agent society. Our preliminary study reveals that the agent-oriented metasynthetic engineering is valid and powerful for decision making of open complex giant systems.

关键词： Metasynthetic engineering decision making open complex giant system open giant intelligent system human computer cooperation HWME multi-agent technology

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Case study: implementing a web based auction system using UML and component-based programming

Case study: implementing a web based auction system using UM...

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IEEE Annual International Computer software and Applications Conference (COMPSAC)

作者： F.T. Sheldon K. Jerath Young-Jik Kwon Young-Wook Baik Software Engrng. for Dependable Systems Lab Sch. of Electrical Engrng. & Computer Science Washington State University Pullman USA School of Computer and Information Engineering Daejeon University South Korea

This paper presents a case study highlighting the best practices for designing and building a web-based auction system using UML (Unified Model Language) and component-based programming. We use the Use Case, Class, Sequence, and Component Diagrams offered by UML for designing the system. This enables new functions to be added and updated easily. Our implementation, with its basis in component-based programming, enabled us to develop a highly maintainable system with a number of reusable components: the Method of Bidding (the bidder can bid at three different frequencies-fast, medium or leisurely), the Certification (Identity verification function), and the Registration Good (Product entry function) Components. Further, the system uses intelligent agents that permit fair help to bidders participating in auctions and at the same time achieve maximum profit for the seller. The design and implementation environment, along with the tools used, provide excellent support for the successful development of the system.

关键词： Computer aided software engineering Unified modeling language Object oriented modeling Consumer electronics Encapsulation Computer science Design engineering Best practices Buildings Functional programming

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CORBA based approach to the development of an advanced architecture in TINA service management system 12

CORBA based approach to the development of an advanced archi...

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12th International Workshop on Database and Expert systems Applications, DEXA 2001

作者： Park, Heasook Choi, O-Hoon Baik, Doo-Kwon Software Systems Lab. Dept. of Computer Science and Engineering Korea University Seoul Korea Republic of

ISBN: (纸本)0769512305

In order to satisfy, the complex and various demands of the customers, telecommunication networks must provide their services rapidly and flexibly, with the support of efficient service and network management systems. To fulfill these requirements, TINA has appeared as a concept for the advanced telecommunication system using information technology such as distributed processing, object oriented modeling. We mention some problems of developing applications in the TINA service management layer. To solve the problems, we propose the advanced architecture called OMS (object management system), which consists of three managers (data manager, data access manager and metadata registry manager). OMS separates the application layer and the middleware such as ODBC and JDBC. And the application layer and OMS are connected by distributed object middleware based on CORBA. Also in order to manage efficiently managed objects stored in different repositories, we have implemented metadata registry by using the metadata concept. © 2001 IEEE.

关键词： Middleware

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Applying performance modelling to a telecommunication system 1

Applying performance modelling to a telecommunication system

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1st International Workshop on software and Performance, WOSP 1998

作者： Shousha, Christiane Petriu, Dorina Jalnapurkar, Anant Ngo, Kennedy Systems and Computer Engineering Carleton University OttawaKlS 5B6 Canada Software Engineering Analysis Lab Nortel OttawaKl Y 4H7 Canada

ISBN: (纸本)1581130600

As telecommunication software systems are growing in size and complexity, the eflort of tuning them for performance becomes more costly and time-consuming. Performance modelling ofleers an eficient means of estimating software design and implementation alternatives, and is much easier to apply than actually changing the real system. Although it is widelv recognized that performance engineering is very important to the telecommunications industry, modelling techniques are not easily accessible to software developers. The most important obstacle is the cognitive gap between the software and the performance domains. This paper presents the experience of the authors in modelling an existing telecommunication product and then in using its results for capacity planning and for feeding back recommendations to the sofmare development team. The paper also describes an approach to make performance engineering more accessible to .software developers.

关键词： Telecommunication industry

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Aspect-oriented programming workshop report

Aspect-oriented programming workshop report

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Workshops on Object-Oriented Technology, ECOOP 1997

作者： Mens, Kim Lopes, Cristina Tekinerdogan, Bedir Kiczales, Gregor Department of Computer Science Programming Technology Lab Vrije Universiteit Brussel Pleinlaan 2 BrusselB-1050 Belgium Systems and Practices Laboratory Xerox PARC 3333 Coyote Hill Rd Palo AltoCA94304 United States Department of Computer Science Software Engineering University of Twente P.O. Box 217 Enschede7500 AE Netherlands

ISBN: (纸本)3540640398

Whereas it is generally acknowledged that code tangling reduces the quality of software and that aspect-oriented programming (AOP) is a means of addressing this problem, there is — as yet — no clear definition or characterisation of AOP. Therefore, the main goal of the ECOOP’97 AOP workshop was to identify the "good questions" for exploring the idea of AOP. © Springer-Verlag Berlin Heidelberg 1998.

关键词： Aspect oriented programming

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Toward computational support for software process improvement activities 98

Toward computational support for software process improvemen...

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Proceedings of the 20th international conference on software engineering

作者： Keishi Sakamoto Kumiyo Nakakoji Yasunari Takagi Naoki Niihara Social Systems Business Group OMRON Corporation 2-2-1 Nishi-kusatsu Kusatsu Shiga 525 Japan Software Engineering Lab. SRA Inc. 3-12 Yotsuya Shinjuku Tokyo 160 Japan and Graduate School of Information Science NAIST 8916-5 Takayama-Cho Ikoma Nara 630-01 Japan

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An optimal bandwidth allocation strategy for the delivery of compressed prerecorded video

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MULTIMEDIA systems 1997年第5期5卷 297-309页

作者： Feng, WC Jahanian, F Sechrest, S Software Systems Research Lab Department of Electrical Engineering and Computer Science University of Michigan Ann Arbor Michigan USA e-mail: {wuchifarnamsechrest}@eecs.umich.edu. US

The transportation of prerecorded, compressed video data without loss of picture quality requires the network and video servers to support large fluctuations in bandwidth requirements. Fully utilizing a client-side buffer for smoothing bandwidth requirements can limit the fluctuations in bandwidth required from the underlying network and the video-on-demand servers. This paper shows that, for a fixed-size buffer constraint, the critical bandwidth allocation technique results in plans for continuous playback of stored video that have (1) the minimum number of bandwidth increases, (2) the smallest peak bandwidth requirements, and (3) the largest minimum bandwidth requirements. In addition, this paper introduces an optimal bandwidth allocation algorithm which, in addition to the three critical bandwidth allocation properties, minimizes the total number of bandwidth changes necessary for continuous playback. A comparison between the optimal bandwidth allocation algorithm and other critical bandwidth-based algorithms using 17 full-length movie videos and 3 seminar videos is also presented.

关键词： video-on-demand bandwidth allocation MPEG video compression smoothing

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A blackboard architecture for integrated process planning/production scheduling

A blackboard architecture for integrated process planning/pr...

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ASME 1996 Design engineering Technical Conferences and Computers in engineering Conference, DETC-CIE 1996

作者： Laliberty, Thomas J. Hildum, David W. Sadeh, Norman M. McA'Nulty, John Kjenstad, Dag Bryant, Robert V.E. Smith, Stephen F. Software Engineering Laboratory Raytheon Electronic Systems TewksburyMA01876-0901 United States Intelligent Coordination and Logistics Lab Carnegie Mellon University PittsburghPA15213-3891 United States

ISBN: (纸本)9780791880494

As companies increase the level of customization in their products, move towards smaller lot production and experiment with more flexible customer/supplier arrangements such as those made possible by Electronic Data Interchange (EDI), they increasingly require the ability to quickly, accurately and competitively respond to customer requests for bids on new products and efficiently work out supplier/subcontractor arrangements for these new products. This in turn requires the ability to rapidly convert standard-based product specifications into process plans and quickly integrate process plans for new orders into the existing production schedule to best accommodate the current state of the manufacturing enterprise. This paper describes IP3S, an Integrated Process Planning/Production Scheduling (IP3S) Shell for Agile Manufacturing. The IP3S Shell is designed around a blackboard architecture that emphasizes (1) concurrent development and dynamic revision of integrated process planning/production scheduling solutions, (2) the use of a common representation for exchanging process planning and production scheduling information, (3) coordination with outside information sources such as customer and supplier sites, (4) mixed initiative decision support, enabling the user to interactively explore a number of tradeoffs, and (5) portability and ease of integration with legacy systems. The system is scheduled for initial evaluation in a large and highly dynamic machine shop at Raytheon's Andover manufacturing facility. © 1996 by ASME.

关键词： Production control

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CRITICAL BANDWIDTH ALLOCATION FOR THE DELIVERY OF COMPRESSED VIDEO

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COMPUTER COMMUNICATIONS 1995年第10期18卷 709-717页

作者： FENG, WC SECHREST, S Software Systems Research Lab Department of Electrical Engineering and Computer Science University of Michigan Ann Arbor MI USA

The transportation of compressed video data without loss of picture quality requires the network to support large fluctuations in bandwidth requirements. These fluctuations can be smoothed, but straightforward approaches to smoothing can still suffer from excessive buffering requirements, poor buffer utilization and an excessive number of bandwidth changes. This paper introduces critical bandwidth allocation, which reduces the number of bandwidth changes to a very small number, and achieves the maximum effectiveness from client-side buffers. A comparison between critical bandwidth allocation algorithms and other smoothing algorithms is presented, the sensitivity of the algorithm to jitter is examined, and, implications for the design of network services are discussed.

关键词： VIDEO-ON-DEMAND BANDWIDTH ALLOCATION MPEG VIDEO COMPRESSION SMOOTHING

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