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International Workshop on Semantic Media Adaptation and Personalization (SMAP)

作者： Ioannis Anagnostopoulos Maria Bielikova Manolis Wallace John W.T. Lee Department of Information Communication Systems Engineering University of Aegean Samos Greece Institute of Informatics and Software Engineering Faculty of Informatics and Information Technologies Slovak University of Technology in Bratislava Ilkovicova Bratislava Slovakia Department of Computer Science and Technology University of Peloponnese Tripoli Greece Department of Computing Hong Kong Polytechnic University Hong Kong China

Researchers need to explore and study the plethora of challenges that emergent intelligent hypermedia technologies bring to the Adaptive Web. This special session aims to increase the awareness of researchers in this area, providing an in-depth investigation on several research and deployment issues, regarding the impact of intelligent methods on this new form of Web. In addition, this special session examines the performance characteristics of various approaches in Web-based systems, while it focuses on the development of intelligent methods among different hypermedia applications.

关键词： Intelligent structures Privacy informatics Protocols System testing Collaboration Service oriented architecture Systems engineering and theory Software engineering Information technology

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Possible adaptive control by tangent hyperbolic fixed point transformations used for controlling the Φ6-Type Van der Pol Oscillator

Possible adaptive control by tangent hyperbolic fixed point ...

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ICCC 2008 - IEEE 6th International Conference on Computational Cybernetics

作者： Tar, József K. Bitó, János F. Rudas, Imre J. Kozlowski, Krzysztof R. Tenreiro Machado, José A. Budapest Tech John Von Neumann Faculty of Informatics Inst. of Intelligent Engineering Systems Bécsi út 96/B Budapest H-1034 Hungary Poznan University of Technology Computing Science and Management Chair of Control and Systems Engineering ul. Piotrowo 3a 60-965 Poznan Poland Institute of Engineering of Porto Department of Electrotechnical Engineering Rua Dr. Antonio Bernardino de Almeida 4200-072 Porto Portugal

ISBN: (纸本)9781424428755

In this paper a further step towards a novel approach to adaptive nonlinear control developed at Budapest Tech in the past few years is reported. Its main advantage in comparison with the complicated Lyapunov function based techniques is that its fundament is some simple geometric consideration allowing to formulate the control task as a Fixed Point Problem for the solution of which various Contractive Mappings can be created that generate Iterative Cauchy Sequences for Single Input - Single Output (SISO) systems. These sequences can converge to the fixed points that are the solutions of the control tasks. Recently alternative potential solutions were proposed and sketched by the use of special functions built up of the "response function" of the excited system under control. These functions have almost constant values apart from a finite region in which they have a "wrinkle" in the vicinity of the desired solution that is the "proper" fixed point of these functions. It was shown that at one of their sides these fixed points were repulsive, while at the opposite side they were attractive. It was shown, too, that at the repulsive side another, so called "false" fixed points were present that were globally attractive, with the exception of the basins of attraction of the "proper" ones. This structure seemed to be advantageous because no divergences could occur in the iterations, the convergence to the "false" values could easily be detected, and by using some ancillary tricks in the most of the cases the solutions could be kicked from the wrong fixed points into the basins of attraction of the "proper ones". It was expected that via adding simple rules to the application of these transformations good adaptive control can be developed. However, due to certain specialties of these functions practical problems arose. In the present paper novel transformations are presented that seem to evade these difficulties. Their applicability is illustrated via simulations in the ad

关键词： Lyapunov functions

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An extensible query language for content based image retrieval based on Lucene

An extensible query language for content based image retriev...

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International Conference on Computer and Information Technology (CIT)

作者： Raoul Pascal Pein Joan Lu Renz Wolfgang Multimedia Systems Laboratory (MMLab) Faculty of Engineering and Computer Science University of Applied Sciences Hamburg Germany Department of Informatics School of Computing and Engineering University of Huddersfield Huddersfield UK Multimedia Systems Laboratory (MMLab) Faculty of Engineering and Computer Science Hamburg University of Applied Sciences Berliner Tor 7 20099 Germany

One of the most important bits of every search engine is the query interface. Complex interfaces may cause users to struggle in learning the handling. An example is the query language SQL. It is really powerful, but usually remains hidden to the common user. On the other hand the usage of current languages for Internet search engines is very simple and straightforward. Even beginners are able to find relevant documents. This paper presents a hybrid query language suitable for both image and text retrieval. It is very similar to those of a full text search engine but also includes some extensions required for content based image retrieval. The language is extensible to cover arbitrary feature vectors and handle fuzzy queries.

关键词： Plugs Database languages Image retrieval Engines Feature extraction Search engines Histograms

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Emotion in HCI - Designing for people 22

Emotion in HCI - Designing for people

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22nd British HCI Group Annual Conference on People and Computers: Culture, Creativity, Interaction, BCS HCI 2008

作者： Peter, Christian Crane, Elizabeth Fabri, Marc Agius, Harry Axelrod, Lesley Fraunhofer Institute for Computer Graphics Human-Centered Interaction Technologies Germany University of Michigan Division of Kinesiology Ann ArborMI48108 United States Leeds Met University Faculty of Information and Technology LeedsLS6 3QS United Kingdom Brunel University School of Information Systems Computing and Mathematics St John's Middlesex United Kingdom Interact Lab Dept Informatics University of Sussex BrightonBN1 9QH United Kingdom

ISBN: (纸本)9781906124069

As computing is changing and becoming increasingly social in nature, the role of emotions in computing has become ever more relevant and commercial. Emotions are central to culture, creativity, and interaction. The topic attracts more and more researchers from a range of multidisciplinary fields including design, gaming, sensor technologies, psychology and sociology. The need for discussion, exchange of ideas, and interdisciplinary collaboration is ever-increasing as the community grows. This workshop will meet requirements of individuals working in the field, giving them a podium to explore different aspects of emotion in HCI, raise questions and network with like-minded people on common subjects. The workshop will focus around working group sessions, and will use predominantly small group work, rather than being presentation-based. © 2008 The Author Published by the British Computer Society.

关键词： Human computer interaction

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Reports of the AAAI 2008 Spring Symposia

Reports of the AAAI 2008 Spring Symposia

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作者： Balduccini, Marcello Baral, Chitta Brodaric, Boyan Colton, Simon Fox, Peter Gutelius, David Hinkelman, Knut Horswill, Ian Huberman, Bernardo Hudlicka, Eva Lerman, Kristina Lisetti, Christine McGuinness, Deborah Maher, Mary Lou Musen, Mark A. Sahami, Mehran Sleeman, Derek Thönssen, Barbara Velasquez, Juan Ventura, Dan Eastman Kodak Company Arizona State University Tempe AZ United States Geological Survey of Canada Department of Computing Imperial College London United Kingdom National Center for Atmospheric Research Artificial Intelligence Center SRI International Menlo Park CA United States University of Applied Sciences Zurich Switzerland Department of Computer Science Northwestern University Evanston IL United States Social Computing Lab. Hewlett-Packard Laboratories Psychometric Associates USC Information Sciences Institute University of Southern California Los Angeles CA United States Computer Science Department University of Southern California Los Angeles CA United States School of Computing and Information Sciences Florida International University Miami FL United States Rensselaer Polytechnic Institute Information and Intelligent Systems Division National Science Foundation University of Sydney Sydney NSW Australia Faculty of Architecture Design and Planning University of Sydney Sydney NSW Australia Department of Medicine Biomedica Informatics Research Department Stanford University Stanford CA United States Computer Science Department Stanford University Stanford CA United States Department of Computing Science University of Aberdeen Aberdeen United Kingdom MIT CSAIL Department of Computer Science Brigham Young University Provo UT United States

The Association for the Advancement of Artificial Intelligence (AAAI) was pleased to present the AAAI 2008 Spring Symposium Series, held Wednesday through Friday, March 26-28, 2008, at Stanford University, California. The eight symposia were titled (1) AI Meets Business Rules and Process Management, (2) Architectures for Intelligent Theory-Based Agents, (3) Creative Intelligent Systems, (4) Emotion, Personality, and Social Behavior, (5) Semantic Scientific Knowledge Integration, (6) Social Information Processing, (7) Symbiotic Relationships between Semantic Web and Knowledge Engineering, (8) Using Al to Motivate Greater Participation in Computer Science. The goal of the AI Meets Business Rules and Process Management AAAI symposium was to investigate the various approaches and standards to represent business rules, business process management, and the semantic web with respect to expressiveness and reasoning capabilities. The focus of the Architectures ror Intelligent Theory-Based Agents AAAI symposium was the definition or architectures for intelligent theory-based agents, comprising languages, knowledge representation methodologies, reasoning algorithms, and control loops. The Creative Intelligent Systems symposium included five major discussion sessions and a general poster session (in which all contributing papers were presented). The purpose of this symposium was to explore the synergies between creative cognition and intelligent systems. The goal of the Emotion, Personality, and Social Behavior symposium was to examine fundamental issues in affect and personality in both biological and artificial agents, focusing on the roles of these factors in mediating social behavior. The Semantic Scientific Knowledge Integration symposium brought together the semantic technologies community with the scientific information technology community in an effort to build the general semantic science information community. The Social Information Processing symposium's goal was to

关键词： Knowledge representation

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Scientific Data Management: An Orphan in the Database Community?

Scientific Data Management: An Orphan in the Database Commun...

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International Conference on Data Engineering

作者： Randal Burns Susan B. Davidson Yannis Ioannidis Miron Livny Jignesh M. Patel Moderator Assistant Professor Department of Computer Science Johns Hopkins University. Department Chair Weiss Professor of Computer and Information Science ACM Fellow a Fulbright scholar founding co-Director of the Center for Bioinformatics at UPenn (PCBI) Professor Department of Informatics & Telecommunications University of Athens ACM Fellow ACM SIGMOD Vice-Chair member of the Scientific Advisory Board Max Planck Institute for Informatics. Professor of Computer Sciences director of the Center for High Throughput Computing Associate Professor faculty member EECS department University of Michigan

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Frameworks for enterprise architecture

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IT Professional 2007年第5期9卷 36-41页

作者： Shah, Hanifa El Kourdi, Mohamed Department of Information Systems Informatics and Knowledge Management Group Britvic Soft Drinks Faculty of Computing Engineering and Technology Staffordshire University

Organizations can use enterprise architecture frameworks, to manage system complexity, integrating business and information technology (IT) resources. Enterprise architecture frameworks also help organizations in overcoming the challenges of increasing the efficiency of IT resources, while enabling them to continue business innovations. IT architectures also influence the integration and standardization requirements of company's operating model, helping it to achieve business efficiency and growth in profitability. Enterprise architecture provides several fundamental benefits that include technological and process infrastructure for developing an IT strategy, while integrating business strategies and implementations. It also allows an organization to view different aspects of the information system from various perspectives.

关键词： Enterprise resource management

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Approximate representation of textual documents in the concept space

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Informatica (Slovenia) 2007年第1期31卷 21-27页

作者： Dobša, Jasminka Dalbelo Bašić, Bojana University of Zagreb Faculty of Organization and Informatics Pavlinska 2 42 000 Varaždin Croatia University of Zagreb Faculty of Electrical Engineering and Computing Unska 3 10 000 Zagreb Croatia

In this paper we deal with the problem of addition of new documents in collection when documents are represented in lower dimensional space by concept indexing. Concept indexing (CI) is a method of feature construction that is relying on concept decomposition of term-document matrix. By using CI original representations of documents are projected on the space spread by centroids of clusters, which are called concept vectors. This problem is especially interesting for application on World Wide Web. Proposed methods are tested for the task of information retrieval. Vectors on which the projection is done in the process of dimension reduction are constructed on the basis of representations of all documents in the collection, and computation of the new representations in the space of reduced dimension demands recomputation of concept decomposition. The solution to this problem is the development of methods which will give approximate representation of newly added documents in the space of reduced dimension. In the paper are introduced two methods for addition of new documents in the space of reduced dimension. In the first method there no addition of new index terms and added documents are represented by existing list of index terms, while in the second method list of index terms is extended and representations of documents and concept vectors are extended in dimensions of newly added terms. It is shown that representation of documents by extended list of index terms does not improve performance of information retrieval significantly.

关键词： Vector spaces

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Humanoid type hand moved by shape memory alloy

Communications - Scientific Letters of the University of Ži...

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Communications - Scientific Letters of the University of Žilina 2007年第1期9卷 17-23页

作者： Korondi, Péter Zsíros, Péter Kolonic, Fetah Deptartment of Automation and Applied Informatics Budapest University of Technology and Economics P.O.Box 91 H-1521 Budapest Hungary Faculty of Electrical Engineering and Computing University of Zagreb Unska 3 HR-10000 Zagreb Croatia

The main contribution of this paper is a practical application of generalised neural networks for a dextrous hand moved by Shape Memory Alloys (SMA). Since SMA have highly non-linear characteristics and their parameters depend on the environment (mainly on temperature) so the robot hand is controlled by a generalised neural network, which can learn the actual non-linear characteristics of the robot hand. The experimental setup consists of a 20 degree of freedom hand moved by SMA string used as artificial muscle. A video camera is used to detect the position of Joints. The position is then sent to the visual display computer via the Internet, which displays the hand in 3D using OpenGl.

关键词： Shape memory effect

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Towards an embodied conversational agent talking in Croatian

Towards an embodied conversational agent talking in Croatian

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9th International Conference on Telecommunications, ConTEL 2007

作者： Čereković, Aleksandra Huang, Hung- Hsuan Zorić, Goranka Tarasenko, Kateryna Levačić, Vjekoslav Pandžić, Igor S. Nakano, Yukiko Nishida, Toyoaki Faculty of Electrical Engineering and Computing Zagreb Croatia Graduate School Informatics Kyoto University Japan Department of Computer Information and Communication Sciences Tokyo University of Agriculture and Technology Japan

ISBN: (纸本)9531841101

The advancement of traffic makes world more and more internationalized and increases frequency of communication between people who come from different cultures. Differences in their conversation go beyond the languages they speak to the non-verbal behaviors they express while talking. To improve the abilities of the embodied conversational agents (ECAs) while interacting with human users we are working on the ECA based application, a tour guide of city Dubrovnik that servers visitors in Japanese, Croatian and general western cultures speaking in English. This paper presents the overall architecture and explains possible extension with another culture. It describes issues we met while making agent talk in Croatian and proposed solutions.

关键词： Communication systems

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