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44th Annual Allerton Conference on Communication, Control, and Computing 2006

作者： Musacchio, John Walrand, Jean Wu, Shuang Technology and Information Management Program University of California Santa CruzCA95064 United States Department of Electrical Engineering and Computer Sciences University of California BerkeleyCA94720 United States

ISBN: (纸本)9781604237924

We develop a game theoretic model for studying when interconnected Internet Service Providers (ISP)s will decide to upgrade their networks. We are in particular interested in network upgrades to better accommodate real-time applications like voice over IP, but our game model is applicable to other types of upgrade. Achieving the full benefit from network upgrades requires that enough ISPs upgrade so that the users' traffic encounters only upgraded ISPs as it traverses the Internet. This situation gives rise to two important effects. One effect is that providers are reluctant to be first to invest in an upgrade when the full benefit of the upgrade cannot be achieved until their peers do the same. The second effect is that when a provider upgrades, the quality of the Internet as a whole increases, increasing demand, and thereby increasing revenue for all ISPs - including those who have not invested in the upgrade. This free-rider effect gives providers a temptation to not upgrade and instead enjoy the benefits of their peers upgrading. Our game model takes into account both effects, and finds sufficient conditions for it to be a Nash equilibrium the ISPs involved in the game to decide to upgrade. There are a large number of other equilibria for this game, so we also find stronger conditions under which the Nash equilibrium in which all providers upgrade is the unique Nash equilibrium. Another important feature of network upgrade costs is that they are declining as technology improves. We extend our original game model for upgrades to take into account declining upgrade costs and study what effects this has on the game's outcome.

关键词： Internet service providers

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UML-based service robot software development: A case study

UML-based service robot software development: A case study

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

作者： Kim, Minseong Kim, Suntae Park, Sooyong Choi, Mun-Taek Kim, Munsang Gomaa, Hassan Department of Computer Science Sogang University Seoul Korea Republic of Center for Intelligent Robotics Frontier 21 Program Korea Institute of Science and Technology Seoul Korea Republic of Dept. of Information and Software Engineering George Mason University Fairfax VA 22030 United States

ISBN: (纸本)1595933751

The research field of Intelligent Service Robots, which has become more and more popular over the last years, covers a wide range of applications from climbing machines for cleaning large storefronts to robotic assistance for disabled or elderly people. When developing service robot software, it is a challenging problem to design the robot architecture by carefully considering user needs and requirements, implement robot application components based on the architecture, and integrate these components in a systematic and comprehensive way for maintainability and reusability. Furthermore, it becomes more difficult to communicate among development teams and with others when many engineers from different teams participate in developing the service robot. To solve these problems, we applied the COMET design method, which uses the industry-standard UML notation, to developing the software of an intelligent service robot for the elderly, called T-Rot, under development at Center for Intelligent Robotics (CIR). In this paper, we discuss our experiences with the project in which we successfully addressed these problems and developed the autonomous navigation system of the robot with the COMET/UML method. Copyright 2006 ACM.

关键词： Intelligent robots

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ViCAT: visualisation and interaction on a collaborative access table

ViCAT: visualisation and interaction on a collaborative acce...

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IEEE International Workshop on Horizontal Interactive Human-computer Systems (TABLETOP)

作者： Fang Chen B. Close P. Eades J. Epps P. Hutterer S. Lichman M. Takatsuka B. Thomas M. Wu IMAGEN Program NICTA Australia School of Computer Science University of South Australia Australia School of Information Technology University of Sydney Australia

Despite many years of research in the area of human computer interaction, there are still remarkably few computing platforms in existence that permit remote collaboration over various software applications in an intense manner. Visualisation and interaction on a collaborative access table (ViCAT) is a new project whose aim is to allow intense collaboration between multiple users at multiple remotely located sites, as if the users were gathered around a physical table. This paper introduces the ViCAT design philosophy and how it addresses the mixed presence groupware concept, and then describes the relationship between the ViCAT project and current horizontal interactive human computer systems research.

关键词： Visualization Collaboration Collaborative work Collaborative software Displays computer networks Physics computing Video sharing Speech Australia

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Challenges associated with privacy in health care industry: Implementation of HIPAA and the security rules

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Journal of Medical Systems 2006年第1期30卷 57-64页

作者： Choi, Young B. Capitan, Kathleen E. Krause, Joshua S. Streeper, Meredith M. Department of Computer Information Systems and Management Science James Madison University Harrisonburg VA 22807-0001 United States Communication Sciences and Disorders Program James Madison University Harrisonburg VA 22807-0001 United States Department of Integrated Science and Technology James Madison University Harrisonburg VA 22807-0001 United States

This paper discusses the challenges associated with privacy in health care in the electronic information age based on the Health Insurance Portability and Accountability Act (HIPAA) and the Security Rules. We examine the storing and transmission of sensitive patient data in the modern health care system and discuss current security practices that health care providers institute to comply with HIPAA Security Rule regulations. Based on our research results, we address current outstanding issues that act as impediments to the successful implementation of security measures and conclude the discussion and offer possible avenues of future research. © Springer Science+Business Media, Inc. 2006.

关键词： Electronic data interchange (EDI) Health Insurance Portability and Accountability Act (HIPAA) Protected health information (PHI) Security rule

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A SCORM/IMS Compliance Online Test and Diagnosis System

A SCORM/IMS Compliance Online Test and Diagnosis System

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International Conference on information technology Based Higher Education and Training, ITHET

作者： Jyh-Cheng Chang Shao-Chun Li Alex Chang Maiga Chang Department of Information & Computer Engineering Chung Yuan Christian University Chungli Taiwan National Science and Technology Program for e-Learning Chungli Taiwan

Teachers always want to know how much their students had learned in classes. The most convenient way to discover learning status is `test'. Each item on a test sheet always contains one or more concepts used to check whether a student really understands or not. Teachers can also find a student's misconceptions out via the concept relations stored in a test sheet. In order to make the diagnosis process simple, teachers always take concept maps as their test development and learning diagnosis tools. This paper implements a SCORM/IMS compliance online test and diagnosis system base on concept maps. In the system, it has more than 5000 members and generates real-time learning report for misconception diagnosis over 500 times monthly. The members are the third-year student at junior high school and come from different counties and cities all over the country. Currently, the system covers 11 courses such as Chinese, English, Physics, History, and Earth Science. It's obviously the system is useful for both teachers and students

关键词： System testing Learning systems Real time systems Materials testing Embedded computing Education Electronic learning Cities and towns Physics History

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Workshop on imaging science development for cancer prevention and preemption

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Cancer Biomarkers 2007年第1期3卷 1-33页

作者： Kelloff, Gary J. Sullivan, Daniel C. Baker, Houston Clarke, Lawrence P. Nordstrom, Robert Tatum, James L. Dorfman, Gary S. Jacobs, Paula Berg, Christine D. Pomper, Martin G. Birrer, Michael J. Tempero, Margaret Higley, Howard R. Petty, Brenda Gumbs Sigman, Caroline C. Maley, Carlo Sharma, Prateek Wax, Adam Ginsberg, Gregory G. Dannenberg, Andrew J. Hawk, Ernest T. Messing, Edward M. Grossman, H. Barton Harisinghani, Mukesh Bigio, Irving J. Griebel, Donna Henson, Donald E. Fabian, Carol J. Ferrara, Katherine Fantini, Sergio Schnall, Mitchell D. Zujewski, Jo Anne Hayes, Wendy Klein, Eric A. DeMarzo, Angelo Ocak, Iclal Ketterling, Jeffrey A. Tempany, Clare Shtern, Faina Parnes, Howard L. Gomez, Jorge Srivastava, Sudhir Szabo, Eva Lam, Stephen Seibel, Eric J. Massion, Pierre McLennan, Geoffrey Cleary, Kevin Suh, Robert Burt, Randall W. Pfeiffer, Ruth M. Hoffman, John M. Roy, Hemant K. Wang, Thomas Limburg, Paul J. El-Deiry, Wafik S. Papadimitrakopoulou, Vali Hittelman, Walter N. MacAulay, Calum Veltri, Robert W. Solomonzz, Diane Jeronimo, Jose Richards-Kortum, Rebecca Johnson, Karen A. Viner, Jaye L. Stratton, Steven P. Rajadhyaksha, Milind Dhawan, Atam NIH/NCI/DCTD Cancer Imaging Program Bethesda MD United States NIH/NCI/DCTD Cancer Imaging Program NCI-Frederick Frederick MD United States NIH/NCI/DCP Early Detection Research Group Bethesda MD United States The Johns Hopkins University School of Medicine Departments of Radiology Pharmacology and Oncology Division of Neuroradiology Baltimore MD United States NIH/NCI/CCR Cell and Cancer Biology Branch Bethesda MD United States University of California San Francisco Department of Medicine Division of Medical Oncology San Francisco CA United States CCS Associates Inc. Mountain View CA United States Wistar Institute Molecular and Cellular Oncogenesis Program Philadelphia PA United States University of Kansas School of Medicine VA Hospital Kansas City MO United States Duke University Department of Biomedical Engineering Medical Physics Program Durham NC United States University of Pennsylvania School of Medicine Department of Gastroenterology Philadelphia PA United States New York Presbyterian Hospital Weill Medical College of Cornell University New York NY United States NIH/NCI/OD Office of Centers for Training and Resources Bethesda MD United States University of Rochester Medical Center Department of Urology Rochester NY United States University of Texas MD Anderson Cancer Center Department of Urology Houston TX United States Massachusetts General Hospital Abdominal Imaging/Interventional Radiology Boston MA United States Boston University Biomedical Engineering Electrical and Computer Engineering and Physics Boston MA United States NIH/NCI/DCP Gastrointestinal and Other Cancers Research Group Bethesda MD United States The George Washington University Cancer Institute Office of Cancer Prevention and Control Washington DC United States University of Kansas Cancer Center Clinical Oncology Kansas City KS United States University of California Davis Department of Biomedical Engineering Davis CA United States Tufts University De

The article provides information on a workshop on the development of imaging systems for cancer prevention and preemption convened by the U.S. National Cancer Institute (NCI) Cancer Imaging program held in Gaithersburg, Maryland. Doctor Katherine Ferrara of the University of California discussed the function of ultrasound in breast tumor imaging. Ways to close the gap between development and application of imaging approaches were tackled in a roundtable discussion on cervix and skin cancer.

关键词： FORUMS (Discussion & debate) IMAGING systems in medicine CANCER prevention

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Designing a decompositional rule extraction algorithm for neural networks

Designing a decompositional rule extraction algorithm for ne...

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3rd International Symposium on Neural Networks, ISNN 2006 - Advances in Neural Networks

作者： Chen, Jen-Cheng Heh, Jia-Sheng Chang, Maiga Department of Electronic Engineering Chung Yuan Christian University Chung Li Taiwan Department of Information and Computer Engineering Chung Yuan Christian University Chung Li Taiwan National Science and Technology Program for E-learning P.O. Box 9-187 32099 Chung-Li Taiwan

ISBN: (纸本)354034439X

The neural networks are successfully applied to many applications in different domains. However, due to the results made by the neural networks are difficult to explain the decision process of neural networks is supposed as a black box. The explanation of reasoning is important to some applications such like credit approval application and medical diagnosing software. Therefore, the rule extraction algorithm is becoming more and more important in explaining the extracted rules from the neural networks. In this paper, a decompositional algorithm is analyzed and designed to extract rules from neural networks. The algorithm is simple but efficient;can reduce the extracted rules but improve the efficiency of the algorithm at the same time. Moreover, the algorithm is compared to the other two algorithms, M-of-N and Garcez, by solving the MONK's problem. © Springer-Verlag Berlin Heidelberg 2006.

关键词： Neural networks

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A connection-oriented telecommunications disaster management model using mobile GIS

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International Journal of Mobile Communications 2006年第1期4卷 63-81页

作者： Choi, Young B. Blackburn, Jonathan M. Seo, Hyewon Information Technology and Management Science Program College of Business James Madison University 800 South Main Street Harrisonburg VA 22807-0001 United States Computer Science Program James Madison University 800 South Main Street Harrisonburg VA 22807-0001 United States Accounting and Information Technology James Madison University 800 South Main Street Harrisonburg VA 22807-0001 United States Information Technology and Management Science Program James Madison University Harrisonburg VA United States James Madison University United States

Mobile Geographic information Systems are a versatile extension of traditional GIS and can provide GIS data between the field and the office. This paper addresses the challenges imposed on telecommunications infrastructure management by disaster events. MGIS are presented as tools that provide meaningful real-time communication between field workers and management. Copyright © 2006 Inderscience Enterprises Ltd.

关键词： Geographic information systems

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Predicting Probability of Mortality in the Neonatal Intensive Care Unit

Predicting Probability of Mortality in the Neonatal Intensiv...

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Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)

作者： Dajie Zhou Monique Frize Program of Systems Science University of Ottawa Ottawa ONT Canada Department of Systems and Computer Engineering Carleton University and the School of Information Technology and Engineering University of Ottawa Ottawa ONT Canada

Artificial neural networks can be trained to predict outcomes in a neonatal intensive care unit (NICU). This paper expands on past research and shows that neural networks trained by the maximum likelihood estimation criterion will approximate the `a posteriori probability' of NICU mortality. A gradient ascent method for the weight update of three-layer feed-forward neural networks was derived. The neural networks were trained on NICU data and the results were evaluated by performance measurement techniques, such as the Receiver Operating Characteristic Curve and the Hosmer-Lemeshow test. The resulting models applied as mortality prognostic screening tools are presented

关键词： Pediatrics Neural networks Artificial neural networks Maximum likelihood estimation Measurement Testing Feedforward systems Feedforward neural networks Resource management Cities and towns

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Making Static Online Teaching Materials Be Flexible to Learners by Reconstructing Its Hypermedia Structures Automatically

Making Static Online Teaching Materials Be Flexible to Learn...

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International Conference on information technology Based Higher Education and Training, ITHET

作者： Athena Hsieh Rita Kuo Chang-Kai Hsu Maiga Chang Jia-Sheng Heh Department of Information and Computer Engineering Chung Yuan Christian University Chungli Taiwan Department of Electronic Engineering Chung Yuan Christian University Chungli Taiwan Program Office of National Science and Technology Chungli Taiwan

Many teachers and researchers put their teaching materials on the Internet for students to read in recent years. This sort of teaching materials could be seen as static because students can only follow the learning sequence made by teachers in advance. The goal of this paper is trying to develop a tool, K-Navi toolbar, to parse and rebuild teaching materials' hypermedia structures according to the concept relations and extracted rules automatically. K-Navi toolbar first uses the formal concept analysis (FCA) to parse the whole set of teaching materials and gets the embedded concept relations between each of two instructional documents; then uses the association rule methodology (ARM) to extract the rules from the concept lattices; and, finally rebuilds the hypermedia structure of the instructional document read by the student automatically. K-Navi toolbar adds related concept hyperlinks (or says links to other knowledge pieces) into the specific position on the instructional hypermedia document automatically when a student asks the document resource. A student then will be able to dig related knowledge pieces via these relevant hyperlinks.

关键词： Internet Association rules US Department of Transportation Lattices Electronic learning Navigation computer science education Councils Materials science and technology Electronic mail

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