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2008 International Conference on e-Learning, e-Business, Enterprise Information systems, and e-Government, EEE 2008

作者： Lee, Tong Queue Lee, Eunchang Park, Young Park, Yongtae Department of Mobile Internet Dongyang Technical College Seoul Korea Republic of Graduate Program in Technology and Management Seoul National University Seoul Korea Republic of Department of Computer Science and Information Systems Bradley University Peoria IL United States Department of Industrial Engineering Seoul National University Seoul Korea Republic of

ISBN: (纸本)1601320639

Recommendation accuracy is especially important in mobile e-commerce environments due to the limited screen size of mobile devices and relatively expensive connection costs. Mobile content tends to be fashionable and are geared for young users. This paper presents a novel method of building a more accurate recommender system for mobile content in a mobile ecommerce environment. The method is based on collaborative filtering, and models content diffusion and user preference transition and incorporates them in constructing pseudo ratings from implicit feedback data. In a variety of experiments, recommender systems based on the method showed significantly better recommendation accuracy than a pure collaborative filtering-based recommender system.

关键词： Collaborative filtering

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Health information management for inducting part-time engineers: Activiating the information-oriented projects in healthcare enterprise

Health information management for inducting part-time engine...

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2008 International Seminar on Business and Information management, ISBIM 2008

作者： Cheng, Po-Hsun Chien, Tsan-Nan Chen, Ying-Pei Lai, Feipei Department of Software Engineering National Kaohsiung Normal University Kaohsiung 824 Taiwan Department of Electrical Engineering National Taiwan University Taipei 106 Taiwan Graduate Institute of Electronic Engineering National Taiwan University Taipei 106 Taiwan Information Systems Office National Taiwan University Hospital Taipei 100 Taiwan

ISBN: (纸本)9780769535609

This paper illustrates a health information management for part-time engineers scenario inside an aged, renowned and great national healthcare enterprise in Taiwan. The major activities for an information center are experiments to harmonize all-inclusive information-oriented projects, even lead them. In order to cover most of the related activities, we disclose one of the key success factors, emerging the part-time engineers, correlated with some management views about information, knowledge, personnel, project, risk, and strategy. We also conceive that such management evidence could supply information management thoughts for further endorsement. © 2008 IEEE.

关键词： Engineers

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Interactive Dialogue for Behavior Teaching to Robots based on Primitive Behaviors with Fuzzy Voice Commands

Interactive Dialogue for Behavior Teaching to Robots based o...

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International Conference on Information and Automation for Sustainability (ICIAfS)

作者： Buddhika Jayasekara Keigo Watanabe Kiyotaka Izumi Department of Advanced Systems Control Engineering Graduate School of Science and Engineering Saga University Japan

This paper proposes a method to teach a robot interactively based on behavior primitives. Fuzzy voice commands are used to activate the behaviors in a fuzzy coach player system scenario. An intention control module is implemented in the interaction manager to handle the interactivity and a hierarchical behavior memory is introduced to store the learned behaviors. The proposed system is used to learn complex behaviors based on simple posture movements of a manipulator. The fuzzy voice joint commands are used to trigger the primitive behaviors which represent the single joint movements. The proposed method is demonstrated with a PA-10 robot manipulator.

关键词： Education Educational robots Human robot interaction Fuzzy systems Natural languages Fuzzy control Memory management Manipulators Humanoid robots Service robots

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Modeling the Synchrony between Audio and Visual Modalities for Speaker Identification

Modeling the Synchrony between Audio and Visual Modalities f...

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第八届中国语音学学术会议暨庆贺吴宗济先生百岁华诞语音科学前沿问题国际研讨会

作者： Helen M. Meng Department of Systems Engineering and Engineering Management The Chinese University of Hong Kong Tsinghua-CUHK Joint Research Center for Media Sciences Technologies and Systems Graduate School at Shenzhen Tsinghua University

This work aims to understand and model the inter-modal temporal relations between the audio and visual modalities of speech and validate whether the captured relations can improve the performance of audio-visual bimodal modeling for such applications as audio-visual speaker identification. We propose to extend our audio-visual correlative model (AVCM) with explicit durational modeling of the partial temporal synchrony between the two speech modalities, i.e. where the audio may lead, lag or remain synchronized with the video. We refer to the new extended model as Durational- AVCM. Experiments on the CMU database and a home- grown database demonstrate that Durational-AVCM can improve the accuracies of audio-visual speaker identification at all levels of acoustic signal-to-noise ratios (SNR) from 0dB to 30dB with varying acoustic conditions compared to original AVCM model. The results indicate the importance of incorporating the partial temporal synchrony between audio and visual modalities for audio-visual bimodal modeling.

关键词： Modeling the Synchrony between Audio and Visual Modalities for Speaker Identification Visual

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IEEE Transactions on Haptics: Editorial

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IEEE Transactions on Haptics 2008年第1期1卷 2-8页

作者： Edward Colgate, J. Lederman, Susan Prattichizzo, Domenico Barbagli, Federico Basdogan, Cagatay Buss, Martin Ernst, Marc Frisoli, Antonio Gillespie, Brent Grant, Danny Harders, Matthias Hayward, Vincent Jones, Lynette Kajimoto, Hiroyuki Kappers, Astrid Kheddar, Abderrahmane Lin, Ming C. MacLean, Karon Miller, Brian Noma, Haruo Okamura, Allison M. O'Malley, Mareia Ryu, Jeha Tan, Hong Z. Yokokohji, Yasuyoshi Department of Psychology School of Computing Queen's University Canada IEEE Robotics and Automation Society Tübingen Germany Stanford University's Computer Science Department Tübingen Germany Institute of Automatic Control Engineering Technische Universität München Germany Independent Research Group Multisensory Perception and Action Max Planck Institute for Biological Cybernetics Tübingen Germany Department of Applied Mechanics SSSA Japan Research Division Virtual Reality and Telerobotic Systems PERCRO Laboratory Japan Department of Mechanical Engineering Japan Department of Robotics McGill University Canada Computer Vision Lab ETH Zurich Japan Virtual Reality in Medicine Group Japan IEEE CS/RAS Technical Committee on Haptics Japan Department of Electrical and Computer Engineering McGill University Canada Department of Mechanical Engineering MIT Japan University of Electro-Communications Japan Department of Physics and Astronomy Utrecht University Netherlands University of Evry France Chapel Hill United States Department of Computer Science University of British Columbia Canada ATR Knowledge Science Lab United Kingdom Department of Mechanical Engineering Denmark Johns Hopkins University United States Laboratory for Computational Sensing and Robotics United Kingdom Engineering Research Center for Computer-Integrated Surgical Systems and Technology United States Mechanical Engineering and Materials Science Department Rice University United States Korea Republic of Department of Electrical and Computer Engineering Mechanical Engineering and Psychological Sciences Purdue University United States Department of Mechanical Engineering and Science Graduate School of Engineering Kyoto University Japan

No abstract available

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Optimal control of a production-inventory system with both backorders and lost sales

Optimal control of a production-inventory system with both b...

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IIE Annual Conference and Expo 2008

作者： Benjaafar, Saif Elhafsi, Mohsen Huang, Tingliang Department of Industrial and Systems Engineering University of Minnesota Minneapolis MN 55455 United States A. Gary Anderson Graduate School of Management University of California Riverside CA 92521-0203 United States Kellogg School of Management Northwestern University Evanston IL 60208 United States

We consider the optimal control of a production-inventory system with a single product and two customer classes where items are produced one unit at a time. Upon arrival, customer orders can be fulfilled from existing inventory, if there is any, backordered, or rejected. The two classes are differentiated by their backorder and lost sales costs. At each decision epoch, we must determine whether or not to produce an item and if so, whether to use this item to increase inventory or to reduce backlog. We must also determine whether or not to satisfy demand from a particular class (should one arise), backorder it, or reject it. We formulate the problem as a Markov decision process and use it to characterize the structure of the optimal policy. Using numerical results, we compare the performance of the optimal policy against several heuristics.

关键词： Markov processes

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A Case Study: Requirements Elicitation Processes throughout a Project

A Case Study: Requirements Elicitation Processes throughout ...

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IEEE International Conference on Requirements engineering

作者： Takako Nakatani Shouzo Hori Naoyasu Ubayashi Keiichi Katamine Masaaki Hashimoto The Graduate School of Systems Management University of Tsukuba Tokyo Japan Quality Assurance Department Yaskawa Information Systems Corporation Kawasaki Kanagawa Japan Graduate School of Computer Science and Systems Engineering Kyushu Institute of Technology Fukuoka Japan

Requirements changes sometimes cause a project to fail. A lot of projects now follow incremental development processes so that new requirements and requirements changes can be incorporated as soon as *** processes are called integrated requirements processes which integrate requirements processes with other development processes. We have investigated the requirements processes of a project from beginning to end, both quantitatively and qualitatively. Our focus is to clarify the types of requirements based on the components contained within a certain portion of the software architecture. Each type reveals its typical requirements processes through its rationale. The case studied is a system to manage the orders and services of a restaurant. In this paper, we introduce the case and describe the types of requirements processes. Then we discuss the reasons why we could not elicit all the requirements in the early development processes.

关键词： Project management Software architecture Conference management Quality management Technology management engineering management management information systems Quality assurance Computer science systems engineering and theory

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Optimizing data center redundancy

Optimizing data center redundancy

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2008 ASEE Annual Conference and Exposition

作者： Merino, Donald Carnemark, Jakob Stevens Institute of Technology Department of Economics of Engineering Stevens Institute of Technology Program Stevens United States c/o School of Systems and Enterprise Stevens Institute of Technology Hoboken NJ 07030 United States SKANSKA

The major questions addressed in this paper are: What is the optimal tradeoff between capital cost and downtime/reliability for a data center? How much redundancy is justified? Owners of data centers need to choose an engineering design to decide how much capital to spend in order to minimize the life cycle costs and maximize reliability. Data Center costs include the initial capital for building and equipment, electrical usage, equipment maintenance and periodic upgrades. Downtime can be measured in hours or in monetary terms. A case study will be presented to explore the problem of optimizing data center redundancy. Capital and operating estimates will be provided by a major engineering design firm. Downtime for each design was estimated by a nationally recognized source. An overall decision process is presented which combines cost and benefit estimates with economic and non-economic analyses to arrive at an optimal solution. Three decision process scenarios are identified that are caused by how downtime is measured and whether downtime is considered a dependent or independent attribute in the final decision. One scenario is presented in the paper that uses After Tax Analysis (ATA) to estimate the Life Cycle costs (EUAC) without downtime included and downtime (hours per year) as an independent variable. This scenario uses Cost Effective Analysis (CEA) as the decision analysis approach. The ATA decision process described could be used in an engineering economy course. The scenario could provide a practical example for when and how to use various Figures of Merit (FoMs) and associated decision processes. The case presented illustrates limitations in teaching engineering economics. One limitation is that decision processes like CEA and Multi-Attribute Analysis (MAA) are generally not taught to undergraduate engineering students;they are only covered in some graduate engineering programs. Yet, as this case illustrates, these techniques are important to select among va

关键词： Life cycle

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Fatigue level estimation of bill based on acoustic signal feature by supervised SOM

IEEJ Transactions on Electronics, Information and Systems

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IEEJ Transactions on Electronics, Information and systems 2008年第12期128卷 1804-1810+12页

作者： Teranishi, Masaru Omatu, Sigeru Kosaka, Toshihisa Department of Information Systems and Management Faculty of Applied Information Science Hiroshima Institute of Technology 2-1-1 Miyake Saeki-ku Hiroshima 731-5193 Japan Graduate School of Engineering Osaka Prefecture University Gakuen-cho Nakaku Sakai 599-8531 Japan Technology Development Dept. Glory Ltd. 3-1 Shimoteno 1-chome Himeji 670-8567 Japan

Fatigued bills have harmful influence on daily operation of Automated Teller Machine(ATM). To make the fatigued bills classification more efficient, development of an automatic fatigued bill classification method is desired. We propose a new method to estimate bending rigidity of bill from acoustic signal feature of banking machines. The estimated bending rigidities are used as continuous fatigue level for classification of fatigued bill. By using the supervised Self-Organizing Map (supervised SOM), we estimate the bending rigidity from only the acoustic energy pattern effectively. The experimental result with real bill samples shows the effectiveness of the proposed method. © 2008 The Institute of Electrical Engineers of Japan.

关键词： Conformal mapping

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The Use of Dynamic Deformable Templates for Lip Tracking in an Audio-Visual Corpus with Large Variations in Head Pose, Face Illumination and Lip Shapes

The Use of Dynamic Deformable Templates for Lip Tracking in ...

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International Symposium on Chinese Spoken Language Processing

作者： Zhiyong Wu Jiying Wu Helen M. Meng Department of Systems Engineering and Engineering Management Chinese University of Hong Kong Sha Tin Hong Kong China Tsinghua-CUHK Joint Research Center for Media Sciences Technologies and Systems Graduate School Shenzhen Tsinghua University Shenzhen China

ISBN: (纸本)9781424429424

This paper describes an approach for lip tracking using dynamic deformable templates. The objective is to track lip parameters from an audio-visual corpus recording a voice talent who is reading text prompts in a natural and expressive way. The corpus presents challenges to the conventional method of lip tracking with deformable templates. This is because natural and expressive speech includes relatively large motions of the head and the lips. The head motions lead to changes in the illumination of the face region and changes in the observed lip shape. In addition, emphatic pronunciations lead to large changes in the lip shape. Video frames that are affected by face illumination changes present additional difficulty in locating the mouth region (i.e. region of interest, ROI). Video frames that are affected by changes in lip shapes present additional deviations from the lip templates and hence lower tracking accuracies. Our proposed method incorporates "dynamicity" in the deformable templates to render them adaptive to changes in head pose, face illumination and lip shapes. Experiments show that dynamic deformable templates consistently outperform the conventional deformable templates in lip tracking.

关键词： Lighting Shape Lips Speech synthesis Active appearance model Magnetic heads Oral communication Training data systems engineering and theory Research and development management

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