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AIAA Space 2007 Conference

作者： Madachy, Raymond Boehm, Barry Richardson, Julian Feather, Martin Menzies, Tim University of Southern California Los Angeles CA 90089 United States National Aeronautics and Space Administration AMES Research Center Moffett Field CA 94035 United States National Aeronautics and Space Administration Jet Propulsion Laboratories Pasadena CA 91109 United States West Virginia University Morgantown WV 26506 United States University of Southern California Center for Systems and Software Engineering SAL 328 941 W. 37th Place Los Angeles CA 90089 United States AIAA RIACS USRA NASA Ames Research Center Moffett Field CA 94035 United States Software Quality Assurance Office Jet Propulsion Laboratory California Institute of Technology 4800 Oak Grove Drive Pasadena CA 91109-8099 United States West Virginia University Lane Department of Computer Science and Electrical Engineering PO Box 6109 Morgantown WV 26506 United States

ISBN: (纸本)1563479079

software risk advisory tools have been developed to support Verification and Validation (V&V) processes for NASA flight projects on the Constellation program. The Orthogonal Defect Classification COnstructive QUALity MOdel (ODC COQUALMO) predicts software defects introduced and removed classifying them with ODC defect types, allowing various tradeoff analyses. We have been exploring methods to design and optimize V&V processes with static and dynamic versions of the quality model by integrating it with different risk minimization techniques. These techniques allow "what-if" experimentation to determine the impact of V&V techniques on specific risks and overall flight risk. V&V techniques are quantified from a value-based perspective when the defect model is integrated with machine learning, strategic optimization and JPL's Defect Detection and Prevention (DDP) risk management method. Results to-date show that the automated methods are practical for flight projects to design higher value V&V processes in shorter time and with fewer resources.

关键词： software design

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Presentation and Visualization of Redundant Code: Working Session Summary

Presentation and Visualization of Redundant Code: Working Se...

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Duplication, Redundancy, and Similarity in software 2006

作者： Walenstein, Andrew Cordy, Jim Evans, Will Hassan, Ahmed Kamiya, Toshihiro Kapser, Cory Merlo, Ettore University of Louisiana at Lafayette Center for Advanced Computer Studies P.O. Box 44330 LafayetteLA70504-4330 United States Queen's University School of Computing KingstonONK7L 3N6 Canada University of British Columbia Department of Computer Science 201-2366 Main Mall VancouverBCV6T 1Z4 Canada University of Victoria Electrical and Computer Engineering Engineering Office Wing 315 P.O. Box 3055 VictoriaBCV8W 3P6 Canada Information Technology Research Institute Ubiquitous Software Group University of Waterloo David R. Cheriton School of Computer Science WaterlooONN2L 3G1 Canada C.P. 6079 Succ. Centre Ville MontréalQCH3C 3A7 Canada

This report summarizes the proceedings of a workshop discussion session presentation and visualization of aspects relating to duplicated, copied, or cloned code. The main outcomes of the working session were: (a) a realization that two researchers had independently generated very similar methods for browsing and visualization clone "clusters", and (b) a list of questions for visualization, particularly in relation to how the "proximity" of clones may relate to interest in the clone. © Duplication, Redundancy, and Similarity in software *** rights reserved.

关键词： Visualization

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Similarity in Programs

Similarity in Programs

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Duplication, Redundancy, and Similarity in software 2006

作者： Walenstein, Andrew El-Ramly, Mohammad Cordy, James R. Evans, William Mahdavi, Kiarash Pizka, Markus Ramalingam, Ganesan von Gudenberg, Jürgen Wolff Kamiya, Toshihiro University of Louisiana at Lafayette Center for Advanced Computer Studies P.O. Box 44330 LafayetteLA70504-4330 United States University of Leicester Department of Computer Science University Road LeicesterLE1 7RH United Kingdom Queen's University School of Computing KingstonONK7L 3N6 Canada University of British Columbia Dept. of Computer Science 2366 Main Mall VancouverBCV6T 1Z4 Canada King's College London Department of Computer Science Strand LondonWC2R 2LS United Kingdom Technische Universität München Institut für Informatik Boltzmannstr. Garching3 85748 Germany Microsoft Research India 196/36 2nd Main Sadashivnagar Bangalore560 080 India Julius-Maximilians-Universität Würzburg Lehrstuhl für Informatik II Am Hubland WürzburgD-97074 Germany Information Technology Research Institute Ubiquitous Software Group

An overview of the concept of program similarity is presented. It divides similarity into two types-syntactic and semantic-and provides a review of eight categories of methods that may be used to measure program similarity. A summary of some applications of these methods is included. The paper is intended to be a starting point for a more comprehensive analysis of the subject of similarity in programs, which is critical to understand if progress is to be made in fields such as clone detection. © Duplication, Redundancy, and Similarity in software *** rights reserved.

关键词： Semantics

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A Dynamic GTS Allocation Algorithm in IEEE 802.15.4 for QoS guaranteed Real-time Applications

A Dynamic GTS Allocation Algorithm in IEEE 802.15.4 for QoS ...

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2007 IEEE International Symposium on Consumer Electronics (ISCE 2007), vol.2

作者： JunKeun Song Jeong-dong Ryoo SangCheol Kim JinWon Kim HaeYong Kim PyeongSoo Mah Computer Software and Engineering Department University of Science and Technology Daejeon South Korea Sensor Network OS Research Lab Embedded S/W Division Electronics and Telecommunications Research Institute Daejeon South Korea Carrier Ethernet Research Lab Broadband Convergence Network Division Electronics and Telecommunications Research Institute Daejeon South Korea

In this paper, we propose a novel QoS guaranteed algorithm for real-time applications in IEEE 802.15.4 protocol. The IEEE 802.15.4 standard provides a Guaranteed Time Slot (GTS) mechanism to allocate a specific duration within a superframe structure for time-critical transmissions. However, there are many weak points to support real-time applications. We suggest a new slot allocation algorithm that enables guaranteed services to be more efficient. The proposed algorithm also allocates a new guaranteed time slot dynamically to support real-time applications which have periodic messages. We evaluate the delay bounds and the throughput of the proposed scheme compared with original protocol. We then show that our proposal improves the bandwidth utilization and guarantees real-time features more strictly.

关键词： QoS Real-time Service WPAN IEEE 802.15.4 GTS

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Cognitive and learning difficulties and how they affect access to IT systems

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Universal Access in the Information Society 2007年第4期5卷 329-339页

作者： Keates, Simeon Adams, Ray Bodine, Cathy Czaja, Sara Gordon, Wayne Gregor, Peter Hacker, Emily Hanson, Vicki Kemp, John Laff, Mark Lewis, Clayton Pieper, Michael Richards, John Rose, David Savidis, Anthony Schultz, Greg Snayd, Paul Trewin, Shari Varker, Philip ITA Software Cambridge USA Collaborative International Research Centre for Universal Access (CIRCUA) School of Computing Science Middlesex University Hendon UK Assistive Technology Partners Department of Rehabilitation Medicine University of Colorado Health Sciences Center Denver USA Department of Psychiatry and Behavioral Sciences University of Miami School of Medicine Miami USA Department of Rehabilitation Medicine Mt Sinai School of Medicine One Gustave L. Levy Place New York USA Applied Computing University of Dundee Dundee Scotland Division of Employment Training Education & Youth Services F.E.G.S. New York USA IBM T.J. Watson Research Center Hawthorne USA Powers Pyles Sutter & Verville P.C. Washington USA Coleman Institute for Cognitive Disabilities University of Colorado Boulder USA Fraunhofer Institute for Applied Information Technology FIT Sankt Augustin Germany CAST Wakefiel USA Foundation for Research and Technology-Hellas (FORTH) Institute of Computer Science Heraklion Greece IBM Human Ability and Accessibility Center Hawthorne USA

In October 2005, the IBM Human Ability and Accessibility Center and T.J. Watson research Center hosted a symposium on “cognitive and learning difficulties and how they affect access to IT systems”. The central premise of the symposium was the recognition that cognitive and learning difficulties have a profound impact on a person’s ability to interact with information technology (IT) systems, but that little support is currently being offered by those systems. By bringing together internationally renowned experts from a variety of different, but complementary, research fields, the symposium aimed to provide a complete overview of the issues related to this topic. This paper summarises the discussions and findings of the symposium.

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The Radeox Wiki render engine 06

The Radeox Wiki render engine

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WikiSym'06 - 2006 International Symposium on Wikis

作者： Jugel, Matthias L. Schmidt, Stephan J. Fraunhofer Institute for Computer Architecture and Software Technology Kekuléstr. 7 12489 Berlin Germany

ISBN: (纸本)1595934138

The Radeox Wiki markup render engine is a basic component for the construction of a Wiki or any system that wishes to integrate basic Wiki functionality. With the availablility of such a component the compatibility of different Wiki systems can be improved and the simplicity of the Wiki way is now ready for deployment in business applications. This paper explains how this component emerged from its host Wiki SnipSnap and how it enables software developers to integrate the Wiki way into their own implementations and other software. Copyright 2006 ACM.

关键词： Search engines

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Waters network's potential to transform environmental engineering education

Waters network's potential to transform environmental engine...

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114th Annual ASEE Conference and Exposition, 2007

作者： Eschenbach, Elizabeth Montgomery, Jami Johnson, James Brus, Chris Carlson, Patricia Giammar, Dan Grauer, Bette Hotaling, Liesl Oguntimein, Gbekeloluwa Safferman, Steven Wentling, Tim Humboldt State University United States Department of Environmental Resources Engineering Humboldt State University United States WATERS Network - CLEANER Project Office Network Howard University United States Department of Environmental Engineering College of Engineering Architecture and Computer Sciences Howard University United States American Academy of Environmental Engineers United States University of Iowa United States Program University of Iowa United States Rose-Hulman Institute of Technology United States Department of Rhetoric Rose-Hulman Institute of Technology United States National Research Council U. S. Air Force United States NASA's Classroom of the Future Wheeling WV United States Washington University United States Department of Energy Environmental and Chemical Engineering Washington University St. Louis United States Environmental Studies Program Center for Materials Innovation United States McPherson High School United States McPherson High School McPherson KS United States Stevens Institute of Technology United States Stevens Institute of Technology United States Morgan State University United States Michigan State University United States Biosystems and Agricultural Engineering Department Michigan State University United States University of Dayton United States Education Planning Committee National Center for Supercomputing Applications United States Department of Information Science Graduate School of Library and Information Science National Center for Supercomputing Applications University or Illinois United States Knowledge and Learning Systems Group NCSA United States

The WATERS Network (WATer and Environmental research Systems Network) will be an integrated real-time distributed observing system which will enable academic and government scientists, engineers, educators, and practitioners to advance effective management of our nation's water resources by understanding human interactions with water and the natural and built environment. WATERS will provide easily accessible real time environmental data as well as analysis tools to engineers, scientists, educators, K- graduate students and policymakers so they can better understand how water quantity, quality and related components of the hydrologic cycle are impacted by natural and human influences. The WATERS strategic plan will be completed by July 2007 and requires constituent input. This paper describes the draft Conceptual Design and the Education Plan of WATERS Network. This paper will highlight the potential impact of WATERS on undergraduate and graduate environmental engineering education in order to elicit input from the environmental engineering education community on how WATERS Network could better meet the future needs of undergraduate and graduate students and educators. More information can be found at ***. © American Society for Engineering Education, 2007.

关键词： Water resources

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Efficient control flow quantification 06

Efficient control flow quantification

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21st Annual ACM SIGPLAN Conference on Object-oriented Programming Systems, Languages, and Applications, OOPSLA 2006

作者： Bockisch, Christoph Kanthak, Sebastian Haupt, Michael Arnold, Matthew Mezini, Mira Software Technology Group Darmstadt University of Technology Germany Software Architecture Research Group Hasso Plattner Institute for Software Systems Engineering Potsdam Germany IBM T. J.Watson Research Center Yorktown Heights NY United States

ISBN: (纸本)1595933484

Aspect-oriented programming (AOP) is increasingly gaining in popularity. However, the focus of aspect-oriented language research has been mostly on language design issues;efficient implementation techniques have been less popular. As a result, the performance of certain AOP constructs is still poor. This is in particular true for constructs that rely on dynamic properties of the execution (e.g., the cflow construct).In this paper, we present efficient implementation techniques for cflow that exploit direct access to internal structures of the virtual machine running an application, such as the call stack, as well as the integration of these techniques into the just-in-time compiler code generation *** results show that AOP has the potential to make programs that need to define control flow-dependent behavior not only more modular but also more efficient. By making means for control flow-dependent behavior part of the language, AOP opens the possibility of applying sophisticated compiler optimizations that are out of reach for application programmers. Copyright © 2006 ACM.

关键词： Object oriented programming

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Redesigning legacy applications for the web with UWAT+: A case study

Redesigning legacy applications for the web with UWAT+: A ca...

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28th International Conference on software Engineering 2006, ICSE '06

作者： Distante, Damiano Tilley, Scott Canfora, Gerardo Shihong, Huang Research Centre on Software Technology University of Sannio Italy Department of Computer Sciences Florida Institute of Technology United States Department of Computer Science and Engineering Florida Atlantic University United States

ISBN: (纸本)1595933751

This paper reports on a case study of redesigning a legacy application for the Web using the Ubiquitous Web Applications Design Framework with an extended version of its Transaction Design Model (UWAT+). Web application design methodologies hold the promise of engineering high-quality and long-lived Web systems and rich Internet applications. However, many such techniques focus solely on green-field development, and do not properly address the situation of leveraging the value locked in legacy systems. The redesign process supported by UWAT+ holistically blends design recovery technologies for capturing the know-how embedded in the legacy application with forward design methods particularly well suited for Web-based systems. The case study highlights some of the benefits of using UWAT+ in this context, as well as identifying possible areas for improvement in the redesign process and opportunities for tool automation to support it. Copyright 2006 ACM.

关键词： Legacy systems

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Cognitive and learning difficulties and how they affect access to IT systems

Cognitive and learning difficulties and how they affect acce...

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作者： Keates, Simeon Adams, Ray Bodine, Cathy Czaja, Sara Gordon, Wayne Gregor, Peter Hacker, Emily Hanson, Vicki Kemp, John Laff, Mark Lewis, Clayton Pieper, Michael Richards, John Rose, David Savidis, Anthony Schultz, Greg Snayd, Paul Trewin, Shari Varker, Philip ITA Software 141 Portland Street Cambridge MA 02139 United States IBM T.J. Watson Research Center 19 Skyline Drive Hawthorne NY 10532 United States School of Computing Science Middlesex University Ravensfield House The Burroughs London NW4 4BT United Kingdom Assistive Technology Partners Department of Rehabilitation Medicine University of Colorado Health Sciences Center 1245 E. Colfax Avenue Denver CO 80218 United States Department of Psychiatry and Behavioral Sciences University of Miami School of Medicine 1695 N.W. 9th Avenue Miami FL 33136 United States Department of Rehabilitation Medicine Mt Sinai School of Medicine One Gustave L. Levy Place New York NY 10029 United States Applied Computing University of Dundee Dundee DD1 4HN United Kingdom Division of Employment Training Education and Youth Services F.E.G.S. 315 Hudson Street New York NY 10013 United States Powers Pyles Sutter and Verville P.C. 1875 'Eye' Street N.W. Washington DC United States Coleman Institute for Cognitive Disabilities University of Colorado 4001 Discovery Drive Boulder CO 80303 United States Fraunhofer Institute for Applied Information Technology FIT Schloss Birlinghoven 53754 Sankt Augustin Germany CAST 40 Harvard Mills Square Wakefiel MA 01880-3233 United States Institute of Computer Science 70013 Heraklion Crete Greece IBM Human Ability and Accessibility Center 19 Skyline Drive Hawthorne NY 10532 United States

In October 2005, the IBM Human Ability and Accessibility Center and T.J. Watson research Center hosted a symposium on "cognitive and learning difficulties and how they affect access to IT systems". The central premise of the symposium was the recognition that cognitive and learning difficulties have a profound impact on a person's ability to interact with information technology (IT) systems, but that little support is currently being offered by those systems. By bringing together internationally renowned experts from a variety of different, but complementary, research fields, the symposium aimed to provide a complete overview of the issues related to this topic. This paper summarises the discussions and findings of the symposium. © Springer-Verlag 2007.

关键词： Technical presentations

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