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From BEEVT to DLR- NSF supported engineering education projects at virginia tech

From BEEVT to DLR- NSF supported engineering education proje...

2005 ASEE Annual Conference and Exposition: The Changing Landscape of engineering and technology Education in a Global World

作者： Lohani, Vinod K. Sanders, Mark Wildman, Terry Connor, Jeff Mallikarjunan, Kumar Dillaha, Theo Muffo, John Knott, Tamara W. Lo, Jenny Loganathan, G.V. Adel, Greg Wolfe, M.L. Goff, Richard Gregg, Mike Chang, Mike Agblevor, Foster Vaughan, David Cundiff, John Fox, Ed Griffin, Hayden Magliaro, Sue Department of Engineering Education Department of Technology Education Center for Excellence in Undergraduate Teaching United States Biological Systems Engineering United States Academic Assessment Unit Civil and Environmental Engineering Mining and Minerals Engineering United States Computer Science School of Education Virginia Polytechnic Institute State University Blacksburg United States

This paper briefly discusses the motivating factors that led to formation of an active collaborative group of engineering and education faculty at Virginia Tech. This group is actively pursuing a number of engineering education research activities and has been successful in winning two grants from the NSF in first 12 months of their collaborative efforts. These collaborative activities are targeted at improving engineering pedagogy at Virginia Tech and began with a planning grant from the NSF in September 2003. A 15-month Masters/Licensure program has been developed specifically for licensing engineering graduates in technology Education. A number of assessment activities have been initiated for analyzing curricular changes beginning with the freshman-engineering program. Use of electronic portfolio in engineering instruction is being explored. The curricula of freshman engineering and bioprocess engineering are being reformulated using a theme based spiral curriculum approach, which is part of a major research grant, under the department-level reform program of the NSF, that began in September '04. The interdisciplinary group has developed/ is working on a number of research proposals for expanding the scope of ongoing studies. The information presented should be very useful for new engineering educators who are exploring similar collaborative ventures elsewhere.

关键词： engineering education

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Applying equal piles approach to disassembly line balancing problem

Applying equal piles approach to disassembly line balancing ...

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作者： Duta, L. Filip, F.Gh. Henrioud, J.M. Computer Science Department Valahia State University 18-24 Unirii Av. Targoviste Romania Research Institute for Informatics 8-10 Maresal Averescu Bucharest Romania Automation Laboratory Institute of Production Engineering 25 Alain Savary Besançon France

ISBN: (纸本)008045108X

Disassembly process decomposes a product into parts or subassemblies. Due to the uncertainties that occur during this process, designing and balancing a disassembly line is a very challenging problem. To deal with the disassembly line balancing problem a new method which relies on the equal piles approach is proposed. Copyright © 2005 IFAC.

关键词： Piles

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Design and implementation of an optical burst-switched network testbed

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IEEE COMMUNICATIONS MAGAZINE 2005年第11期43卷 S48-S55页

作者： Sun, YM Hashiguchi, T Minh, VQ Wang, X Morikawa, H Aoyama, T Researcher of Fujitsu Laboratories Ltd. Member of IEICE. University of Tokyo Japan. Visiting Research Associate Electronic Visualization Laboratory Computer Science Department University of Illinois Chicago. Associate Professor Department of Frontier Informatics University of Tokyo. Professor Department of Information and Communication Engineering Graduate School of Information Science and Technology University of Tokyo. Fellow of IEICE. Member of the IEEE ComSoc Board of Governors

Optical burst switching has been receiving increased attention as a promising technology for building the next-generation optical Internet. This article presents the design and discusses the implementation of an overlay mode optical burst-switched network testbed. A flexible "transceiver + forwarding" edge node architecture is proposed to perform both electronic burst assembly/disassembly and optical burst forwarding. It is designed to provide class of service and wavelength selection for locally generated bursts, and transparency to cut-through bursts. The functional modules of the control plane and related key design issues are presented. In particular, we discuss a scheduling mechanism that efficiently combines two different contention resolutions in space and wavelength domains. Experimental results show the effectiveness of this scheme in reducing burst blocking probability. Furthermore, the performance of the network testbed and corresponding methods of improving it are discussed.

关键词： Internet Wide area networks (computer networks) Broadband communication systems computer networks Telecommunication systems Electronics

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Adaptive pricing functions for open outcry auctions

Adaptive pricing functions for open outcry auctions

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IEEE/WIC/ACM International Conference on Intelligent Agent technology (IAT)

作者： D. Kehagias P.A. Mitkas Center for Research and Technology Hellas Informatics and Telematics Institute Thermi Greece Department of Electrical and Computer Engineering Aristotle University of Thessaloniki Thessaloniki Greece

In agent-mediated marketplaces, autonomous agents deploy automated bidding mechanisms in order to increase revenue for humans. The ability of agents to estimate the next prices to be revealed in an auction, by applying forecasting, is a key element for efficient and successful bidding. In open outcry auctions, such as English and Dutch, information about bidders behavior is revealed at each round. This paper proposes a bid calculation function based on forecasting of the next price in English and Dutch auctions. The forecasting is based on two linear adaptive filters for stochastic estimation, whose parameters are calculated using a genetic algorithm. In order to test the efficiency of the two bidding methods and to benchmark the performance of the two filters, we conduct a set of experiments and present the results.

关键词： Pricing Nonlinear filters Adaptive filters Stochastic processes Autonomous agents Genetic algorithms Predictive models informatics

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Graphical object recognition using statistical language models

Graphical object recognition using statistical language mode...

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International Conference on Document Analysis and Recognition

作者： L. Keyes A. O'Sullivan A. Winstanley School of Informatics and Engineering Institute of Technology Blanchardstown Department of Computer Science NUI Maynooth Company Kildare Ireland

This paper describes a proposed system for the recognition and labeling of graphical objects within architectural and engineering documents that integrates statistical language models (SLMs) with traditional classifiers. SLMs are techniques used with success in natural language processing (NLP) for use in such tasks as speech recognition and information retrieval. This research proposes the adaptation of SLMs for use with graphical notation i.e. statistical graphical language model (SGLMs). Reasoning of the similarities between natural language and technical graphics is presented and the proposed use of SGLM for graphical object recognition is described.

关键词： Object recognition Graphics Natural languages Information systems Natural language processing Pattern recognition Text analysis Shape measurement Speech recognition Information retrieval

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Energy Management in Mobile and Pervasive Computing Systems

Energy Management in Mobile and Pervasive Computing Systems

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Annual Hawaii International Conference on System Sciences (HICSS)

作者： G. Anastasi M. Conti M. Kumar Department of Information Engineering University of Pisa Italy Institute for Informatics and Telematics National Research Council Canada Italy Department of Computer Science and Engineering University of Technology Arlington USA

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Enhanced robot speech recognition based on microphone array source separation and missing feature theory

Enhanced robot speech recognition based on microphone array ...

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2005 IEEE International Conference on Robotics and Automation

作者： Yamamoto, Shun'ichi Valin, Jean-Marc Nakadai, Kazuhiro Rouat, Jean Michaud, François Ogata, Tetsuya Okuno, Hiroshi G. Graduate School of Informatics Kyoto University Kyoto 606-8501 Japan LABORIUS Department of Electrical Engineering and Computer Engineering Université de Sherbrooke Sherbrooke Que. Canada Honda Research Institute Japan Co. Ltd. Wako Saitama 351-0114 Japan

ISBN: (纸本)078038914X

A humanoid robot under real-world environments usually hears mixtures of sounds, and thus three capabilities are essential for robot audition;sound source localization, separation, and recognition of separated sounds. While the first two are frequently addressed, the last one has not been studied so much. We present a system that gives a humanoid robot the ability to localize, separate and recognize simultaneous sound sources. A microphone array is used along with a real-time dedicated implementation of Geometric Source Separation (GSS) and a multi-channel post-filter that gives us a further reduction of interferences from other sources. An automatic speech recognizer (ASR) based on the Missing Feature Theory (MFT) recognizes separated sounds in real-time by generating missing feature masks automatically from the post-filtering step. The main advantage of this approach for humanoid robots resides in the fact that the ASR with a clean acoustic model can adapt the distortion of separated sound by consulting the post-filter feature masks. Recognition rates are presented for three simultaneous speakers located at 2m from the robot. Use of both the post-filter and the missing feature mask results in an average reduction in error rate of 42% (relative). ©2005 IEEE.

关键词： Mobile robots

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Context awareness via a single device-attached accelerometer during mobile computing 05

Context awareness via a single device-attached accelerometer...

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7th International Conference on Human computer Interaction with Mobile Devices and Services, MobileHCI 05

作者： Yi, Ji Soo Choi, Young Sang Jacko, Julie A. Sears, Andrew Laboratory of Human Computer Interaction and Health Care Informatics School of Industrial and Systems Engineering Georgia Institute of Technology 765 Ferst Drive NW Atlanta GA 30332 United States Interactive Systems Research Center Information Systems Department UMBC 1000 Hilltop Circle Baltimore MD 21250 United States

ISBN: (纸本)1595930892

Interest in context-aware computing has expanded the use of sensing technologies. The accelerometer is one of the most widely used sensors for capturing context because it is small, inexpensive, lightweight, and self-operable. In efforts to obtain behavioral patterns, many studies have reported the use of multiple accelerometers attached to the human body. However, this is difficult to implement in real-life situations and may not fully address the context of user interaction. In contrast, the present study employed a single tri-axial accelerometer attached to a handheld computing device instead of to a user. The objective was to determine what contextual information could be obtained from this more feasible, albeit limited, source of acceleration data. Data analyses confirmed that changes in both mobility and lighting conditions induced statistically significant differences in the output of the accelerometer. Copyright 2005 ACM.

关键词： Accelerometers

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Multimedia analysis and annotation requirements for the semantic web

Multimedia analysis and annotation requirements for the sema...

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The 2nd European Workshop on the Integration of Knowledge, Semantics and Digital Media technology, 2005. EWIMT 2005. (Ref. No. 2005/11099)

作者： V. Tzouvaras S. Dasiopoulou F. Martin-Recuerda G. Stoilos Y. Kompatsiaris G. Stamou Department Electrical & Computer Engineering National and Technical University of Athens Athens Greece Informatics and Telematics Institute Greece Digital Enterprise Research Institute Institute of Computer Science University of Innsbruck Austria

The Semantic Web is about adding formal structure and explicit semantics to web content for the purpose of more efficient information management and access by both humans and computers. Through the use of machine understandable semantics, web resources become much easier and more readily accessible. Populating the Semantic Web with multimedia metadata requires for appropriate technologies to support both the analysis (metadata extraction) and the annotation (metadata creation) processes. The media- and content-specific semantics of multimedia resources pose great challenges in terms of capturing and manipulating the two layer semantics given the available knowledge representation formalisms. The Knowledge Web project, advancing ontology technology research efforts and ensuring transferring the semantic web from academia to industry, has provided solutions to some of the most challenging multimedia related problems.

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Ontology-Based Access to Multimedia Cultural Heritage Collections - The REACH Project

Ontology-Based Access to Multimedia Cultural Heritage Collec...

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Eurocon

作者： C. Doulaverakis Y. Kompatsiaris M.G. Strintzis Centre for Research and Technology Informatics and Telematics Institute Thessaloniki Greece Information Processing Laboratory Electrical and Computer Engineering Department Aristotle University of Thessaloniki Thessaloniki Greece

In this paper, an approach for providing unified access to heterogeneous distributed cultural heritage collections is presented. The proposed approach is developed within the framework of the REACH Greek National Project with the overall aim to provide a Web portal enabling access to different databases of cultural content with emphasis on multimedia material. In order to achieve this, the project employs ontology-based representation of cultural content, multimedia content-based search algorithms, hybrid ontology and content-based access and user-friendly search interfaces. This fusion approach provides users with resources for building queries of multimedia repositories sequentially using multiple individual search tools, and performs higher quality searching. In the current stage of development, real content such as inscriptions and coins from the Greco-Roman time period, has successfully been incorporated in the system

关键词： Ontologies Cultural differences Portals Multimedia databases Information retrieval Content based retrieval Material storage Multimedia systems informatics Telematics

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