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ICMI'03: Fifth International Conference on Multimodal Interfaces

作者： Li, Yang Landay, James A. Guan, Zhiwei Ren, Xiangshi Dai, Guozhong Group for User Interface Research Computer Science Division University of California Berkeley Berkeley CA 94720-1776 United States Intelligence Engineering Lab Institute of Software Chinese Academy of Sciences Beijing 100080 China Department of Information Systems Engineering Kochi University of Technology Tosayamada-cho Kochi 782-8502 Japan National Research Council in Software Engineering Automation Center Naval Postgraduate School Monterey CA 93940 United States

ISBN: (纸本)1581136218

Informal presentations are a lightweight means for fast and convenient communication of ideas. People communicate their ideas to others on paper and whiteboards, which afford fluid sketching of graphs, words and other expressive symbols. Unlike existing authoring tools that are designed for formal presentations, we created SketchPoint to help presenters design informal presentations via freeform sketching. In SketchPoint, presenters can quickly author presentations by sketching slide content, overall hierarchical structures and hyperlinks. To facilitate the transition from idea capture to communication, a note-taking workspace was built for accumulating ideas and sketching presentation outlines. Informal feedback showed that SketchPoint is a promising tool for idea communication. Copyright 2003 ACM.

关键词： information analysis

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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: reconnaissance techniques to support feature location using RECON2

Case study: reconnaissance techniques to support feature loc...

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Asia-Pacific Conference on software engineering

作者： S. Ibrahim N.B. Idris A. Deraman Centre For Advanced Software Engineering Universiti Teknologi Malaysia Kuala Lumpur Malaysia Faculty of Technology & Information System Universiti Kebangsaan Malaysia Selangor Darul Ehsan Malaysia

Change requests are often formulated into concepts or features that a maintainer can understand. One of the main issues faced by a maintainer is to know and locate "where does this program implement feature X". However, these features are implicitly available in the code and scattered elsewhere that make them undoubtedly difficult to manage. A technique called software reconnaissance was originally inspired by industrial maintainers about the need for better ways of locating software features in large systems. We present the experience in using the software reconnaissance technique and tool called RECON2, developed by the university of West Florida. Our objective is to understand how the technique and tool work and to further suggest some enhancements with respect to software understanding strategies.

关键词： Computer aided software engineering software maintenance Programming profession Reconnaissance software engineering Scattering software tools information systems Computer industry Documentation

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Re-documenting, visualizing and understanding software system using DocLike Viewer

Re-documenting, visualizing and understanding software syste...

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Asia-Pacific Conference on software engineering

作者： S. Sulaiman N.B. Idris S. Sahibuddin Faculty of Computer Science & Information Technology Universiti Teknologi Malaysia Skudai Johor Malaysia Center for Advanced Software Engineering (CASE) Universiti Teknologi Malaysia Kuala Lumpur Malaysia

Visualizing the artifacts of a software system graphically has proven to improve the cognitive strategies and understanding of the subject system by programmers. This is more crucial when they need to maintain a software system with out-dated documentation or without system documentation at all. Many tools have emerged and they predominantly consist of a reverse engineering environment and a viewer to visualize software artifacts such as in the form of graphs. The tools also grant structural redocumentation of existing software system but they do not directly utilize document-like software visualization in their approaches. We propose DocLike modularized graph (DMG) method that represents the software architectures of a reverse engineered subject system graphically in a modularized and standardized document-like manner. To realize this method, we have built a prototype tool called DocLike Viewer that enables a user to redocument, visualize and comprehend a subject system written in C language that is parsed by an existing parser. From the experiment conducted we found that our method managed to statistically improve cognition of a subject system in terms of productivity and quality to solve certain types of maintenance tasks.

关键词： Visualization software systems Documentation Reverse engineering software tools Programming profession software maintenance software architecture software prototyping Prototypes

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A GUI software development system for digital AV applications

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Systems and Computers in Japan 2003年第7期34卷 99-107页

作者： Haruna, Shuusuke Sanada, Norio Kinoh, Hisayuki Sumiya, Kazutoshi Taki, Kazuo Department of Information Grad. Sch. of Science and Technology Kobe University Kobe 657-8501 Japan Core Software Development Center Matsushita Elec. Indust. Co. Ltd. Kadoma 571-8501 Japan Res. Ctr. for Urban Safety/Security Kobe University Kobe 657-8501 Japan Department of Computer Engineering Faculty of Engineering Kobe University Kobe 657-8501 Japan

The scale of software on digital AV appliances that handle large-volume multichannel digital data has been increased by the GUIs (graphical user interfaces) loaded on them in recent years. In addition, the GUIs of AV appliances use remote controls having cursor keys. Focus management must be performed by these to point to the object of operation, in contrast to the mouse, which is capable of pointing on the entire screen. Since focus management changes with changes in the specifications of GUIs, such as screen layouts and the like, software may not be reusable. In this paper, a development system that attempts to improve the productivity of GUI software requiring focus management is discussed from the points of view of (1) a software design model based on an object-oriented MVC model, (2) an execution model with good efficiency corresponding to the design model, (3) development tools performing synthesis of GUI software and automatic generation of focus management procedures, and (4) applications and evaluations of the system. In an example of the application of the system, software productivity with a GUI specification change was improved by a factor of three. © 2003 Wiley Periodicals, Inc.

关键词： Graphical user interfaces

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Circuit/wavelength switching and routing

Circuit/wavelength switching and routing

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International Conference on Telecommunications (ConTEL)

作者： S. De Maesschalck D. Colle B. Puype Q. Yan M. Pickavet P. Demeester T. Cinkler S. Tomic C. Mauz M. Ljolje M. Lackovic R. Inkret B. Mikac M. Kohn C.M. Gauger D. Schupke S. Sanchez-Lopez X. Masip-Bruin J. Sole-Pareta M. Mattiello Department of Information Tecltnology (INTEC) IMEC Ghent University Ghent Belgium High-speed New. Lab. Dept. of Telecomm. & Telematics Budapest University of Technology and Economics Budapest Hungary Institute of Communication Networks (IKN) Vienna Austria Communication Technology Laboratory ETH Zurich Zurich Switzerland Faculty of Electrical Engineering and Computing Zagreb Croatia Institute of Comm. Networks and Computer Eng. (IKR) University of Stuttgart Stuttgart Germany Institute of Communication Networks Munich University of Technology Munich Germany Department ď Arquitectura de Computadors Universitat Politecnica de Catalunya Barcelona Spain Laboratoire des Téléconununications EPF-Lausanne Lausanne Switzerland

This paper gives an overview of the work carried out during the course of the COST-266 action on circuit/wavelength switched network studies. Several subjects are discussed in detail in this paper. A first important topic deals with the different control plane models in single- and multidomain networks. A second important issue is the routing and wavelength assignment problem, both in networks with static and dynamic traffic demands. Also the IP-over-OTN network architecture, envisaged to be the network architecture most suited for future transport networks, is discussed. Finally the study on optical virtual private networks is presented.

关键词： Switching circuits Wavelength routing Optical fiber networks Optical packet switching Telecommunication switching Computer networks Wavelength assignment Virtual private networks Telecommunication computing High speed optical techniques

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Reconfigurable repetitive padding unit 02

Reconfigurable repetitive padding unit

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12th ACM Great Lakes Symposium on VLSI, GLSVLSI 2002

作者： Kuzmanov, Georgi Vassiliadis, Stamatis Computer Engineering Lab Electrical Engineering Department Faculty of Information Technology and Systems Delft University of Technology P.O. Box 5031 Delft2600 GA Netherlands

ISBN: (纸本)1581134622

This paper proposes a reconfigurable processing unit, which performs the MPEG-4 repetitive padding algorithm in real time. The padding unit has been implemented as a scalable systolic structure of processing elements. A generic array of PE has been described in VHDL, and the functionality of the unit has been validated by simulations. In order to determine the chip area and speed of the padding structure, we have synthesized the structure for two FPGA families - Xilinx and Altera. The simulation results indicate that the proposed padding unit can operate in a wide frequency range, depending on the implemented configuration. It is shown that it can process from tens up to hundreds of thousands MPEG-4 macroblocks per second. This allows the real-time requirements of all MPEG-4 profiles and levels to be met efficiently at trivial hardware costs. Finally, the trade-off between chip-area and operating speed is discussed and possible configuration alternatives are proposed. Copyright 2002 ACM.

关键词： Economic and social effects

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The best papers from CCGrid 2001

The best papers from CCGrid 2001

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Symposium on Cluster Computing and the Grid CCGrid2001

作者： Lee, Craig A. Roe, Paul Buyya, Rajkumar Computer Systems Research Department Aerospace Corporation El Segundo CA United States School of Computer Science and Software Engineering Monash University Melbourne Vic. Australia Faculty of Information Technology Queensland University of Technology Brisbane QLD Australia

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A blind SLM receiver for PAR-reduced OFDM

A blind SLM receiver for PAR-reduced OFDM

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IEEE Conference on Vehicular technology (VTC)

作者： A.D.S. Jayalath C. Tellambura Faculty of Information Technology School of Computer Science and Software Engineering Monash University Clayton VIC Australia

Selected mapping (SLM) generates a set of independent signals from an information sequence and transmits the signal with minimum peak-to-average power ratio (PAR). To recover data, the receiver is sent critical side information (SI) about the generation process. In this paper, a novel blind detection algorithm is developed for coded orthogonal frequency division multiplexing (OFDM) and SLM. The blind SLM algorithm performs well in both AWGN and fading channels in the presence of amplifier non-linearities.

关键词： OFDM Peak to average power ratio Fading Convolutional codes Power generation Signal generators Transmitters Additive white noise Gaussian noise Decoding

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A design of adaptive beamformer based on average speech spectrum for noisy speech recognition

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Acoustical Science and technology 2002年第6期23卷 323-327页

作者： Okada, Yuka Nishiura, Takanobu Nakamura, Satoshi Yamada, Takeshi Shikano, Kiyohiro Graduate School of Information Sci. Nara Inst. of Science and Technology 8916-5 Takayama Ikoma 630-0101 Japan Faculty of Systems Engineering Wakaycama University 930 Sakaedani Wakayama 640-8510 Japan ATR Spoken Lang. Transl. Res. Lab. 2-2-2 Hikaridai Seika-cho Soraku-gun Kyoto 619-0288 Japan Inst. of Info. Sci. and Electronics University of Tsukuba 1-1-1 Tennoudai Tsukuba 305-8573 Japan

A design of adaptive beamformer based on average speech spectrum for noisy speech recognition was presented. The automatic speech recognition (ASR) performance was improved with the average speech spectrum weight in noisy environments. The automatic estimation of the optimum admissible distortion for ASR in noisy environments was also elaborated.

关键词： Speech recognition

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