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10th IEEE International Conference on engineering of Complex computer systems, ICECCS 2005

作者： Houmb, Siv Hilde Georg, Geri France, Robert Bieman, James Jürjens, Jan Department of Computer Science Norwegian University of Science and Technology Sem Sælands Vei 7-9 NO-7491 Trondheim Norway Software Assurance Laboratory Department of Computer Science Colorado State University 601 S. Howes St. Fort Collins CO 80523-1873 United States Systems Engineering TU Munich Boltzmannstr. 3 85748 München/Garching Germany

Security critical systems must perform at the required security level, make effective use of available resources, and meet end-users expectations. Balancing these needs, and at the same time fulfilling budget and time-to-market constraints, requires developers to design and evaluate alternative security treatment strategies. In this paper, we present a development framework that utilizes Bayesian Belief Networks (BBN) and Aspect-Oriented Modeling (AOM)for a cost-benefit trade-off analysis of treatment strategies. AOM allows developers to model pervasive security treatments separately from other system functionality. This ease the trade-off by making it possible to swap treatment strategies in and out when computing Return on Security Investments (RoSI). The trade-off analysis is implemented using BBN, and RoSI is computed by estimating a set of variables describing properties of a treatment strategy. RoSI for each treatment strategy is then used as input to choice of design. © 2005 IEEE.

关键词： computer networks

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Recognizing interaction from a robot's perspective

Recognizing interaction from a robot's perspective

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IEEE International Workshop on Robot and Human Communication (ROMAN)

作者： T. Salter F. Michaud K. Dautenhahn D. Letourneau S. Caron LABORIUS-Research Laboratory on Mobile Robotics and Intelligent Systems Department of Electrical Engineering and Computer Engineering Université de Sherbrook Sherbrooke QUE Canada Adaptive Systems Research Group School of Computer Science University of Herfordshire Hatfield UK

For meaningful interaction between a robot and a human, an autonomous robot must recognize whether the experienced situation is created by people or by the environment. Using only proprioceptive data from a mobile robotic platform, we discover that it is possible to distinguish sensory data patterns involving interaction. These patterns are obtained whilst navigating varying environments, both human populated and unpopulated. The paper reports the initial set of trials using Roball, a spherical mobile robot. Also described is the experimental methodology currently followed to validate the hypothesis that child interaction can be perceived directly from navigation sensors onboard a robotic platform.

关键词： Robot sensing systems Mobile robots Human robot interaction Navigation intelligent robots Sensor phenomena and characterization Infrared sensors Educational institutions Plastics Mobile computing

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Cost-benefit trade-off analysis using BBN for aspect-oriented risk-driven development

Cost-benefit trade-off analysis using BBN for aspect-oriente...

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IEEE International Conference on engineering of Complex computer systems

作者： S.H. Houmb G. Georg R. France J. Bieman J. Jurjens Department of Computer Science Norwegian University of Science and Technology Trondheim Norway Software Assurance Laboratory Department of Computer Science Colorado State University Fort Collins CO USA Systems Engineering Technical University Munich Munchen Germany

Security critical systems must perform at the required security level, make effective use of available resources, and meet end-users expectations. Balancing these needs, and at the same time fulfilling budget and time-to-market constraints, requires developers to design and evaluate alternative security treatment strategies. In this paper, the authors presented a development framework that utilizes Bayesian belief networks (BBN) and aspect-oriented modeling (AOM) for a cost-benefit trade-off analysis of treatment strategies. AOM allows developers to model pervasive security treatments separately from other system functionality. This eases the trade-off by making it possible to swap treatment strategies in and out when computing return on security investments (RoSI). The trade-off analysis is implemented using BBN, and RoSI is computed by estimating a set of variables describing properties of a treatment strategy. RoSI for each treatment strategy is then used as input to choice of design.

关键词： Risk analysis Information security Topology Bayesian methods computer science computer security Investments Data security Unified modeling language software performance

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An improved Bayesian networks learning algorithm based on independence test and MDL scoring

An improved Bayesian networks learning algorithm based on in...

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Proceedings of the International Conference on Active Media Technology, AMT

作者： Junzhong Ji Jing Yan Chunnian Liu N. Zhong College of Computer Science and Technology Beijing University of Technology Beijing Municipal Key Laboratory of Multimedia and Intelligent Software Technology Beijing China Department of Information Engineering Maebashi Institute of Technology Maebashi-City Japan

In recent years, more and more people studied the Bayesian networks learning algorithm that integrates independence test with scoring metric. Based on the proposed hybrid algorithm I-B&B-MDL, a modified method is developed. There are two major contributions. Firstly, order-0 and partial order-1 independence tests are used to obtain an original graph of the network, which reduces the number of independence tests and database passes while effectively restricting the search space. Secondly, by means of the heuristic knowledge of mutual information, sort order for candidate parent nodes increases the cut-offs of the B&B search tree and accelerates search process. The experimental results show that the modified algorithm has high accuracy, and is more efficient in time complexity than other algorithms.

关键词： Bayesian methods Knowledge representation Iterative algorithms software testing Probability distribution Data mining Space technology Educational institutions computer science Laboratories

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The RTES project - BTeV, and beyond

The RTES project - BTeV, and beyond

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2005 14TH IEEE-NPSS Real Time Conference

作者： Haney, Michael J. Ahuja, Shikha Bapty, Ted Cheung, Harry Kalbarczyk, Zbigniew Khanna, Akhilesh Kowalkowski, Jim Messie, Derek Mossé, Daniel Neema, Sandeep Nordstrom, Steve Oh, Jae Sheldon, Paul Shetty, Shweta Volper, Dmitri Wang, Long Yao, Di IEEE High Energy Physics University of Illinois 1110 W. Green Street Urbana IL 61801 United States Institute for Software Integrated Systems Vanderbilt University Nashville TN 37235 United States Fermi National Accelerator Laboratory Batavia IL 60510 United States Electrical and Computer Science University of Illinois Urbana IL 61801 United States Electrical Engineering and Computer Science Syracuse University Syracuse NY 13244 United States Computer Science University of Pittsburgh Pittsburgh PA 15250 United States Physics and Astronomy Department Vanderbilt University Nashville TN 37235 United States

ISBN: (纸本)0780391837

The Real Time Embedded systems (RTES) project was created to study the design and implementation of high-performance, heterogeneous, and fault-adaptive real time embedded systems. The driving application for this research was the proposed BTeV high energy physics experiment, which called for large farms of embedded computational elements (DSPs), as well as a large farm of conventional high-performance processors to implement its Level 1 and Level 2/3 triggers. At the time of BTeV's termination early in 2005, the RTES project was within days of completing a prototype implementation for providing a reliable and fault-adaptive infrastructure to the L2/3 farm;a prototype for the L1 farm had been completed in 2003. This paper documents the conclusion of the RTES focus on BTeV, and provides an evaluation of the applicability of the RTES concepts to other systems. ©2005 IEEE.

关键词： Embedded systems

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WACL: supporting telecommunications using - wearable active camera with laser pointer

WACL: supporting telecommunications using - wearable active ...

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International Symposium on Wearable computers

作者： N. Sakata T. Kurata T. Kato M. Kourogi H. Kuzuoka Institute of Engineering Mechanics University of Tsukuba Japan Human Interface Technology Laboratory University of Washington USA Institute of Advanced Industrial Science and Technology AIST Intelligent Systems Institute AIST Japan Department of Computer and Communication Sciences Wakayama University Japan

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The RTES project - BTeV, and beyond

The RTES project - BTeV, and beyond

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IEEE NPSS Conference on Real Time

作者： M.J. Haney S. Ahuja G. Bapty H. Cheung Z. Kalbarczyk A. Khanna J. Kowalkowski D. Messie D. Mosse S. Neema S. Nordstrom Jae Oh P. Sheldon S. Shetty D. Volper Long Wang Di Yao High Energy Physics University of Illinois Urbana IL USA Institute for Software Integrated Systems Vanderbilt University Nashville TN USA Fenni National Accelerator Laboratory Batavia IL USA Electrical and Computer Science University of Illinois Urbana IL USA Electrical Engineering and Computer Science Syracuse University Syracuse NY USA Computer Science University of Pittsburgh Pittsburgh PA USA Physics and Astronomy Department Vanderbilt University Nashville TN USA

The real time embedded systems (RTES) project was created to study the design and implementation of high-performance, heterogeneous, and fault-adaptive real time embedded systems. The driving application for this research was the proposed BTeV high energy physics experiment, which called for large farms of embedded computational elements (DSPs), as well as a large farm of conventional high-performance processors to implement its Level 1 and Level 2/3 triggers. At the time of BTeV's termination early in 2005, the RTES project was within days of completing a prototype implementation for providing a reliable and fault-adaptive infrastructure to the L2/3 farm; a prototype for the L1 farm had been completed in 2003. This paper documents the conclusion of the RTES focus on BTeV, and provides an evaluation of the applicability of the RTES concepts to other systems

关键词： USA Councils Real time systems Physics computing Runtime computer science Embedded system Domain specific languages Embedded computing Prototypes Fault detection

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Journal of Information science and engineering: Editorial notice

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Journal of Information science and engineering 2005年第5期21卷 i-ii页

作者： Lee, Der-Tsai Amato, Nancy M. Chang, Shih-Fu Chen, Homer H. Chen, Tsuhan Hsu, Tsan-Sheng Hwang, Jenq-Neng Kuo, Sy-Yen Kuo, Tei-Wei Li, Chung-Sheng Tokuyama, Takeshi Wing, Jeannette Wu, Tzong-Chen Yen, John Computer Science at Texas A and M University United States Parasol Laboratory United States IEEE Transactions on Parallel and Distributed Systems Computing Research Association's Committee on the Status of Women in Computing Research CRA-W's Distributed Mentor Program United States Department of Electrical Engineering Columbia University United States Lab. United States College of Electrical Engineering and Computer Science National Taiwan University Taiwan IEEE Transactions on Circuits and Systems for Video Technology IEEE Department of Electrical and Computer Engineering Carnegie Mellon University Pittsburgh PA United States ACM ACM SIGACT IEEE Computer Society IICM Austria Research and Development of the Department Multimedia Signal Processing Technical Committee IEEE Signal Processing Society United States IEEE Transactions on Circuits and systems for Video Technology College of Electrical Engineering and Computer Science National Taiwan Ocean University Keelung Taiwan Department of Electrical Engineering National Taiwan University Taiwan Department of Computer Science and Information Engineering National Taiwan University Taipei Taiwan IEEE Technical Committee on Real-Time Systems Computer Science Division IBM T.J. Watson Research Center United States IBM Research Division Graduate School of Information Sciences Tohoku University Japan ACM IPSJ Mathematical Society of Japan Japan Department of Computer Science Computer Science Department Carnegie Mellon University United States National Academies of Science's Computer Science and Telecommunications Board United States Microsoft's Trustworthy Academic Advisory Board Intel Research Pittsburgh's Advisory Board United States Dartmouth's Institute for Security Technology Studies Advisory Committee Canada Sloan Research Fellowships Program Committee United States ACM Taiwan China Information Sciences and Technology Pennsylvania State University United States Laboratory for Intelligent Agents Penn State's School of Info

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Predictors of success in diagrammatic problem solving

Predictors of success in diagrammatic problem solving

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3rd International Conference on Diagrammatic Representation and Inference, Diagrams 2004

作者： Yoon, Daesub Narayanan, N. Hari Intelligent and Interactive Systems Laboratory Department of Computer Science and Software Engineering Auburn University AuburnAL36849 United States

ISBN: (纸本)354021268X

We conducted an eye-tracking study of mechanical problem solving from cross-sectional diagrams of devices. Response time, accuracy and eye movement data were collected and analyzed for 72 problem-solving episodes (9 subjects solving 8 problems each). Results indicate that longer response times and visually attending to more components of a device do not necessarily lead to increased accuracy. However, more focus shifts, visually attending to components in the order of causal propagation, and longer durations of visual attention allocated to critical components of the devices appear to be characteristics that separate successful problem solvers from unsuccessful ones. These findings throw light on effective diagrammatic reasoning strategies, provide empirical support to a cognitive model of comprehension, and suggest ideas for the design of information displays that support causal reasoning. © 2004, Springer-Verlag Berlin Heidelberg, All rights Reserved.

关键词： Problem solving

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Enabling collaborative adaptation across legacy components

Enabling collaborative adaptation across legacy components

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3rd Workshop on Adaptive and Reflective Middleware, ARM '04

作者： Yang, Z. Zhou, Z. Cheng, B.H.C. McKinley, P.K. Software Engineering and Network Systems Laboratory Department of Computer Science and Engineering Michigan State University East Lansing MI 48824 United States

ISBN: (纸本)1581139497

software frequently needs to adapt its behavior at run time to respond to changes in its execution environment. Different software components may use different approaches to adaptation. Composing a single adaptive system from existing adaptive components requires an "adaptation infrastructure" to integrate and arbitrate adaptive behaviors. This paper proposes a model for such an infrastructure and describes the design and operation of M2, a prototype implementation. M2 uses a technique called transparent shaping to modify existing components so that they can report events of interest to the M2 core and implement appropriate responses. The architecture and communication infrastructure of M2 are described, followed by a case study in which M2 is used to construct an adaptive multimedia conferencing application from otherwise incompatible components. Copyright 2004 ACM.

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