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SICE Annual Conference

作者： Shin-ichi Ito Yasue Mitsukura Hiroko Nakamura Miyamura Takafumi Saito Minoru Fukumi Department of Bio-Mechanics and Intelligent Systems Tokyo University of Agriculture슠and슠Technology Koganei Tokyo Japan Department of Bio-Mechanics and Intelligent Systems Tokyo University of Agriculture Agriculture and Technology Tokyo Japan Department of Bio-Mechanics and Intelligent Systems Tokyo University of Agriculture and Technology 2-24-16 Naka Koganei Tokyo 184-8588 Japan. Tel : +81-42-388-7150 E-mail: mitsu_e@cc.tuat.ac.jp Department of Information Science & Intelligent System Faculty of Engineering University of Tokushima Japan

An EEG has frequency components which can describe most of the significant features. These combinations are often unique like individual human beings and yet they have underlying basic features. These frequency components are contained the important and/or not so important components, and then each importance of these frequency components are different. The real-coded genetic algorithm (: RGA) is used for selecting and being weighted the principal characteristic frequency components. We attempt to construct mental change appearance model (: MCAM) of only one measurement point. In order to show the effectiveness of the proposed method, computer simulations are carried out by using real data

关键词： Proposals Electroencephalography Frequency Brain modeling Humans Sensor phenomena and characterization Feature extraction data mining intelligent systems Genetic algorithms

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A faster branch-and-bound algorithm for the test-cover problem based on set-covering techniques

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ACM Journal of Experimental Algorithmics 2006年 11卷 2.2–es页

作者： Fahle, Torsten Tiemann, Karsten INFORM GmbH Pascalstraße 23 Aachen 52076 Germany International Graduate School of Dynamic Intelligent Systems Faculty of Computer Science Electrical Engineering and Mathematics University of Paderborn Fürstenallee 11 Paderborn 33102 Germany

The test-cover problem asks for the minimal number of tests needed to uniquely identify a disease, infection, etc. A collection of branch-and-bound algorithms was proposed by De Bontridder et al. [2002]. Based on their work, we introduce several improvements that are compatible with all techniques described in De Bontridder et al. [2002] and the more general setting of weighted test-cover problems. We present a faster data structure, cost-based variable fixing, and adapt well-known set-covering techniques, including Lagrangian relaxation and upper-bound heuristics. The resulting algorithm solves benchmark instances up to 10 times faster than the former approach and up to 100 times faster than a general MIP solver. © 2006 ACM.

关键词： Algorithms Branch-and-bound Experimentation G.2.1 [Discrete Mathematics]: Combinatorics - Combinatorial algorithms G.2.3 [Discrete Mathematics]: Applications Lagrangian relaxation Performance Set-cover problem Test-cover problem Variable fixing

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False-name-proof multi-unit auction protocol utilizing greedy allocation based on approximate evaluation values

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systems and Computers in Japan 2006年第13期37卷 89-98页

作者： Terada, Kenji Yokoo, Makoto NIT Information Sharing Platform Laboratories NTT Corporation Musashino 180-8585 Japan NTT Communication Science Laboratories NTT Corporation Kyoto 619-0237 Japan Research and Development Center Network Business Headquarters NTT East Corporation Tokyo 163-8019 Japan Department of Intelligent Systems Faculty of Information Science and Electrical Engineering Kyushu University Fukuoka 812-8581 Japan

This paper presents a new false-name-proof multiunit auction protocol called the Greedy ALlocation (GAL) protocol. Internet auctions have become an integral part of Electronic Commerce and a promising field for applying agent and Artificial Intelligence technologies. Although the Internet provides an excellent infrastructure for executing auctions, the possibility of a new type of cheating called false-name bids has been pointed out. A false-name bid is a bid submitted under a fictitious name. A protocol called the Iterative Reducing (IR) protocol has been developed for multi-unit auctions and has proven to be false-name-proof, that is, using false-name bids is useless. For Internet auction protocols, being false-name-proof is important since identifying each participant on the Internet is virtually impossible. One shortcoming of the IR protocol is that it requires the auctioneer to carefully predetermine the reservation price for one unit. Our newly developed GAL protocol is easier to use than the IR, since the auctioneer does not need to set the reservation price nor any other parameters. The evaluation results show that the GAL protocol can obtain a social surplus that is very close to Pareto efficient. Furthermore, the obtained social surplus and seller's revenue are much better than those of the IR protocol even if the reservation price is set optimally. © 2006 Wiley Periodicals, Inc.

关键词： Network protocols

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Semantics, Web and Mining: Preface

Lecture Notes in Computer Science (including subseries Lectu...

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Lecture Notes in Computer science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 2006年 4289 LNAI卷 v-vi页

作者： Berendt, Bettina Hotho, Andreas Mladenič, Dunja Semeraro, Giovanni Spiliopoulou, Myra Stumme, Gerd Van Someren, Maarten Ackermann, Markus Grobelnik, Marko Svátek, Vojtěch Institute of Information Systems Humboldt University Berlin Germany Knowledge and Data Engineering Group University of Kassel Germany J. Stefan Institute Ljubljana Slovenia Department of Informatics University of Bari Italy Faculty of Computer Science Otto-von-Guericke-Univ. Magdeburg Germany Informatics Institute University of Amsterdam Netherlands Dept. of Natural Language Processing Institute for Computer Science University of Leipzig Germany University of Economics Prague Czech Republic

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Background subtraction under varying illumination

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systems and Computers in Japan 2006年第4期37卷 77-88页

作者： Matsuyama, Takashi Wada, Toshikazu Habe, Hitoshi Tanahashi, Kazuya Graduate School of Informatics Kyoto University Kyoto 606-8501 Japan Mitsubishi Electric Corporation NTT Data Corporation Department of Intelligence Science and Technology Graduate School of Informatics Kyoto University International Association for Pattern Recognition IEICE Information Processing Society of Japan Japanese Society for Artificial Intelligence IEEE Computer Society Department of Computer and Communication Sciences Faculty of Systems Engineering Wakayama University IEEE

Background subtraction is widely used as an effective method for detecting moving objects in a video image. However, background subtraction requires a prerequisite in that image variation cannot be observed, and the range of application is limited. Proposed in this research paper is a method for detecting moving objects by using background subtraction that can be applied to cases in which the image has varied due to varying illumination. This method is based on two object detection methods that are based on different lines of thinking. One method compares the background image and the observed image using invariant features of illumination. The other method estimates the illumination conditions of the observed image and normalizes the brightness before carrying out background subtraction. These two methods are complementary, and highly precise detection results can be obtained by ultimately integrating the detection results of both methods. © 2006 Wiley Periodicals, Inc.

关键词： Lighting

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A three-dimensional Context-awareness model: Support learning services providing in e-learning environments

A three-dimensional Context-awareness model: Support learnin...

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13th International Conference on Computers in Education, ICCE 2005

作者： Zheng, Yanlin Li, Luyi Ogata, Hiroaki Yano, Yoneo Dept. of Information Science and Intelligent Systems Faculty of Engineering Tokushima University Japan

ISBN: (纸本)9810540051

This paper proposes a three-dimensional Context-awareness (CA) model for e-learning that involves: Awareness to Knowledge Context, Awareness to Social Context and Awareness to Technical Context. The proposed CA is promising to support learning services providing in the e-learning context, such as knowledge navigation and collaboration recommendation. This paper also discusses a CA-supported learning services providing mechanism, which is mediated by the mining of the activity contexts of learners in e-learning environments. © 2005 Asia-Pacific Society for Computers in Education.

关键词： Computer aided instruction

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Conceptual framework of computer-supported Ubiquitous Learning Environment

Conceptual framework of computer-supported Ubiquitous Learni...

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4th IASTED International Conference on Web-Based Education, WBE 2005

作者： Li, Luyi Zheng, Yanlin Ogata, Hiroaki Yano, Yoneo Dept. of Information Science and Intelligent Systems Faculty of Engineering Tokushima University Japan

ISBN: (纸本)0889864802

This paper proposes a conceptual framework for Ubiquitous Learning Environment (ULE) construction. ULE is integrated from multi-dimensions, such as physical, social, informational and technical settings, where schools, communities, and families will be integrated in a smooth context. ULE is established on the combination between Real World and Virtual Space, Personal Space and Shared Space. Learning in ULE is conducted in the interactions among three essential communicative elements: Social Human, Object in real world, and Artifact in virtual space. Learning process is a social transfer process between tacit and explicit knowledge. Context-Awareness is indispensable to all kinds of interactions in ULE. Especially, this paper gives a discussion to context-awareness supported Interoperability and Adaptability in ULE. Additionally, this paper also gives a simple reminder to related learning terms, Blended learning, Social and Emotional Learning, Service-Learning, and Situated learning, which are contributive to our deeper understanding to learning in ULE. On practical dimension, this paper presents a design framework for ULE implementation by integrating the application of three kinds of affordable learning devices: networked PC, PDA, and mobile Phone.

关键词： Cellular telephones

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Automatically determining semantic relations in Chinese sentences

Automatically determining semantic relations in Chinese sent...

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2005 IEEE International Conference on Natural Language Processing and Knowledge engineering, IEEE NLP-KE'05

作者： Yan, Jiajun Bracewell, David B. Ren, Fuji Kuroiwa, Shingo Department of Information Science and Intelligent Systems Faculty of Engineering University of Tokushima Tokushima 770-8506

ISBN: (纸本)0780393619

After parsing an important task is to determine the semantic structure of sentences. In this paper, we attempt to automatically annotate the Penn Chinese Treebank with semantic dependency structure. Initially a small portion of the Penn Chinese Treebank was manually annotated with headword and dependency relations. Two supervised machine learning algorithms with varying features were then used to learn the relations. Finally, a set of rules were created based on features of Chinese to solve some problem patterns that were found hi the Penn Chinese Treebank dealing with ambiguous structures. The experimental results show that the algorithms and proposed approach are effective for determining semantic dependency structure automatically. © 2005 IEEE.

关键词： Natural language processing systems

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Multilingual single document keyword extraction for information retrieval

Multilingual single document keyword extraction for informat...

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2005 IEEE International Conference on Natural Language Processing and Knowledge engineering, IEEE NLP-KE'05

作者： Bracewell, David B. Ren, Fuji Kuriowa, Shingo Department of Information Science and Intelligent Systems Faculty of Engineering University of Tokushima Tokushima 770-0861

ISBN: (纸本)0780393619

Keywords play an important role in many aspects of information retrieval (IR). From web searches to text summarization good keywords are a necessity. In a typical IR system algorithms are used which require the entire document collection to be built beforehand. While some research has been done on extracting keywords from a single document, the quality of the keywords was not based on how well they perform in IR tasks. Moreover, they are designed for only one language and the applicability to other languages is unknown. As such, this paper proposes a new algorithm that is applicable to multiple languages and extracts effective keywords that, to a high degree, uniquely identify a document. It needs only a single document to extract keywords and does not rely on machine learning methods. It was tested on a Japanese-English bilingual corpus and a portion of the Reuter's corpus using a keyword search algorithm. The results show that the extracted keywords do a good job at uniquely identifying the documents. © 2005 IEEE.

关键词： Query languages

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Abstracts from the 6th International Conference on the engineering of Sport, 10-14 July 2006, Olympic Hall, Munich, Germany Abstracts

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SPORTS engineering 2006年第4期9卷 229-249页

作者： [Anonymous] TNO Netherlands Delcam plc UK Technological Institute of Toys AIJU Spain Technische Universitaet Muenchen Germany Hochschule für Gestaltung und Kunst Zuerich Germany Otto-v.-Guericke-University Magdeburg Germany AISTS-International Academy of Sports Science and Technology Lausanne Switzerland CSEM-Swiss Center for Electronics and Microtechnology Neuchâtel Swizerland University of Illinois at Urbana-Champaign USA Delft University of Technology Netherlands Faculty of Education Art and Science Yamagata University Japan Department of Mathematical Modelling Perm State Technical University Russia Department of Theoretical Mechanics Perm State Technical University Russia Department of Computational Fluid Dynamics JSC Aviadvigatel Perm Motors Russia Mechanical and Automotive Engineering RMIT University Japan Fluent Europe Ltd Sheffield UK SportKreativWerkstatt GmbH München Germany Sports Technology Research Group Loughborough University UK Department of Mechanical Engineering University of Bath UK Instituto de Biomecánica de Valencia (IBV) Spain University Augsburg UK Sports Engineering Research Group University of Sheffield England Sports-Equipment Technology Technikum Wien Austria Fischer GmbH Germany Biocompatible Materials and Process Engineering TU Munich Germany The University of Waikato New Zealand Sandvik Materials Technology Sweden Institute for Machine Tools and Industrial Management TU Munich Germany Institut fuer Verbundwerkstoffe GmbH Canada Sports Engineering Centre for Sports and Exercise Science Sheffield Hallam University England University of Glamorgan UK Department of Information Science and Engineering Tokyo Institute of Technology Tokyo Japan Toyota Motor Co. Aichi Japan Iowa Univeristy Iowa USA Simbex Lebanon USA Japan Institute of Sports Sciences Tokyo Japan University of Vienna Austria Technische Universität München Germany Department of Econometrics University of Groningen The Netherlands Department of Physical Education and Sport

A radical change (Feenstra, Holmer, Tromans, Moos and Mieritz 2003) in manufacturing is starting to occur. The Rapid Manufacturing, which can be defined as "the use of an additive manufacturing process to construct parts that are used directly as finished products or components", is set to supersede many current uses of moulds and dies. Rapid Manufacturing (Wohlers 2003) is based on new additive manufacturing techniques that produce fully functional parts directly from a 3D CAD model without the use of tooling. The ambitious scope of the European Initiative CUSTOM-FIT, a Framework 6 Integrated Project, is to create a fully integrated system for the design, production and supply of individualized custom-products. Within the cases under study there are strong connections to sporting articles. This project is being funded by the European Commission over the next four years and a half and will become central to European research concerning Rapid Manufacturing (RM).

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