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Electronics, Robotics and Automotive Mechanics Conference

作者： Enrique Sierra Alejandro Hossian Paola Britos Dario Rodriguez Ramon Garcia-Martinez Electrotecnic Department School of Engineering National University of Comahue Argentina Software & Knowledge Engineering Center Graduate School. ITBA Intelligent Systems Laboratory School of Engineering University of Buenos Aires Argentina

In this paper, we consider a multi-agent intelligent tutoring system for the learning of computer programming. It provides a multiple domain learning environment for language learners. The aim of the system is to teach the target domain by using a supporting domain(s) to reinforce the learning of it. The system is strongly built upon a cognitive theory that affirms there are successful knowledge transfers in the learning of knowledge-rich domains like computer programming. To implement it, we chose a multi-agent system because of the features of agents, which provide flexibility for future expansion.

关键词： Intelligent systems Programming Computer languages Multiagent systems knowledge transfer knowledge engineering Laboratories Information processing Java Humans

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Construction of the Corpus of Spontaneous Japanese and annotation techniques

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Journal of the National Institute of Information and Communications Technology 2007年第3期54卷 5-14页

作者： Uchimoto, Kiyotaka Isahara, Hitoshi Takanashi, Katsuya Takeuchi, Kazuhiro Nobata, Chikashi Morimoto, Ikuyo Yamada, Atsushi Computational Linguistic Group Knowledge Creating Communication Research Center Academic Center for Computing and Media Studies Kyoto University School of Computer Science University of Manchester Advanced Software Technology and Mechatronics Research Institute of Kyoto Dept. of Engineering Informatics Osaka Elmectro-Communication University School of Low and Politics Kwansei Gakuin University

This paper describes annotations for the Corpus of Spontaneous Japanese. The information we annotated to the corpus includes morphemes, clause units, dependency structures, summaries, and discourse structures. They are integrated in the form of XML. Morphological information was semi-automatically annotated to the transcribed text by reducing the human labor cost within the framework of morphological annotation that we proposed. Next, clause unites were detected based on the morphological information as basic units for our annotation. Then, dependency structures, summaries, discourse structures were annotated based on the clause units.

关键词： Information technology

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Conceptualization maturity metrics for expert systems

Conceptualization maturity metrics for expert systems

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Conference on Artificial Intelligence in Theory and Practice held at the 19th World Computer Congress

作者： Hauge, Ovind Britos, Paola Garcia-Martinez, Ramon Norsk Teknisk Naturvitenskapelig Universitet Norway Software and Knowledge Engineering Center. Graduate School Buenos Aires Institute of Technology Argentina Intelligent Systems Lab. School of Engineering University of Buenos Aires Argentina

ISBN: (纸本)0387346546

Metrics used on development of expert systems is not a well investigated problem area. This article suggests some metrics to be used to measure the maturity of the conceptualization process and the complexity of the decision process in the problem domain. We propose some further work to be done with these metrics. Applying those metrics makes new and interesting problems, concerning the structure of knowledge to surface.

关键词： Expert systems

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An ontology-based architecture for tracking information across interactive electronic environments

An ontology-based architecture for tracking information acro...

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39th Annual Hawaii International Conference on System Sciences, HICSS'06

作者： Scharl, Arno Weichselbraun, Albert Liu, Wei Know-Center Institute of Knowledge Management Graz University of Technology Department of Information Systems and Operations Vienna University of Economics and Business Administration School of Computer Science and Software Engineering University of Western Australia

ISBN: (纸本)0769525075

This paper presents technical foundation, roadmap and initial results of the IDIOM project (Information Diffusion across Interactive Online Media). Information spreads rapidly across Web sites, Web logs and online forums. IDIOM tracks this process and compares it to direct communication through electronic mail and instant messaging. Linguists define "idiom" as an expression whose meaning is different from the literal meanings of its component words. Similarly, the study of information diffusion promises insights that cannot be inferred from individual network elements. Similar projects often focus on particular media, or neglect important aspects of the human language. IDIOM addresses these gaps to reveal fundamental mechanisms of information diffusion across media with distinct interactive characteristics. © 2006 IEEE.

关键词： Electronic equipment

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Populating an allergens ontology using natural language processing and machine learning techniques

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10th Conference on Artificial Intelligence in Medicine, AIME 2005

作者： Valarakos, Alexandros G. Karkaletsis, Vangelis Alexopoulou, Dimitra Papadimitriou, Elsa Spyropoulos, Constantine D. Software and Knowledge Engineering Lab. Inst. of Informatics and Telecomm National Center for Scientific Research Demokritos 153 10 Ag. Paraskevi Greece Department of Information and Telecommunication Systems Engineering School of Sciences University of the Aegean 83200 Karlovassi Samos Greece

ISBN: (纸本)3540278311

Ontologies are becoming increasingly important in the biomedical domain since they enable the re-use and sharing of knowledge in a formal, homogeneous and unambiguous way. In the rapidly growing field of biomedicine, knowledge is usually evolving and there-fore an ontology maintenance process is required to keep the ontological knowledge up-to-date. This paper presents our approach for populating a formally defined ontology for the allergen domain exploiting PubMed abstracts on allergens and using natural language processing and machine learning techniques. This approach is composed of two stages: locating initially instances of ontology concepts in the PubMed corpus, and finding at a 2nd stage instances' properties and relations between instances. © Springer-Verlag Berlin Heidelberg 2005.

关键词： Learning systems

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Text area identification in web images

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3rd Hellenic Conference on Artificial Intelligence, SETN 2004

作者： Perantonis, Stavros J. Gatos, Basilios Maragos, Vassilios Karkaletsis, Vangelis Petasis, George Computational Intelligence Laboratory Institute of Informatics and Telecommunications National Research Center 'Demokritos' Athens153 10 Greece Software and Knowledge Engineering Institute of Informatics and Telecommunications National Research Center 'Demokritos' Athens153 10 Greece Department of Computer Science Technological Educational Institution of Athens Egaleo122 10 Greece

ISBN: (纸本)3540219374

With the explosive growth of the World Wide Web, millions of documents are published and accessed on-line. Statistics show that a significant part of Web text information is encoded in Web images. Since Web images have special characteristics that sometimes distinguish them from other types of images, commercial OCR products often fail to recognize Web images due to their special characteristics. This paper proposes a novel Web image processing algorithm that aims to locate text areas and prepare them for OCR procedure with better results. Our methodology for text area identification has been fully integrated with an OCR engine and with an Information Extraction system. We present quantitative results for the performance of the OCR engine as well as qualitative results concerning its effects to the Information Extraction system. Experimental results obtained from a large corpus of Web images, demonstrate the efficiency of our methodology. © Springer-Verlag Berlin Heidelberg 2004.

关键词： Image processing

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Application challenges: System health management for complex systems

Application challenges: System health management for complex...

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IEEE International Parallel and Distributed Processing Symposium, IPDPS 2000

作者： Hadden, George D. Bergstrom, Peter Samad, Tariq Bennett, Bonnie Holte Vachtsevanos, George J. Van Dyke, Joe Honeywell Technology Center 3660 Technology Drive MinneapolisMN55418 United States Knowledge Partners of Minnesota Inc 9 Salem Lane Suite 100 St. PaulMN55118-4700 United States The Georgia Institute of Technology School of Electrical and Computer Engineering AtlantaGA30332-0250 United States Systems Analysis and Software Engineering 253 Winslow Way West Bainbridge IslandWA98110 United States

ISBN: (纸本)354067442X

System Health Management (SHM) is an example of the types of challenging applications facing embedding high-performance computing environments. SHM systems monitor real-time sensors to determine system health and performance. Performance, economics, and safety are all at stake in SHM, and the emphasis on health management technology is motivated by all these considerations. This paper describes a project focusing on condition-based maintenance (CBM) for naval ships. Condition-based maintenance refers to the identification of maintenance needs based on current operational conditions. In this project, system architectures and diagnostic and prognostic algorithms are being developed that can efficiently undertake real-time data analysis from appropriately instrumented machinery aboard naval ships and, based on the analysis, provide feedback to human users regarding the state of the machinery – such as its expected time to failure, the criticality of the equipment for current operation. © Springer-Verlag Berlin Heidelberg 2000.

关键词： Machinery

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Shipboard machinery diagnostics and prognostics/condition based maintenance: a progress report

Shipboard machinery diagnostics and prognostics/condition ba...

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IEEE Conference on Aerospace

作者： G.D. Hadden P. Bergstrom G. Vachtsevanos B.H. Bennett J. Van Dyke Honeywell Technology Center Minneapolis MN USA School of Electrical and Computer Engineering Georgia Institute of Technology Atlanta GA USA Knowledge Partners of Minnesota Saint Paul MN USA Systems Analysis and Software Engineering Bainbridge WA USA

Developed a distributed shipboard system to perform diagnostics and prognostics on mechanical equipment (e.g. engines, generators, and chilled water systems) for the Office of Naval Research (ONR). This Condition Based Maintenance (CBM) system (called MPROS for Machinery Prognostics/Diagnostics System) consists of MEMS and conventional sensors on the machinery, local intelligent signal processing devices (called "Data Concentrators"), and a centrally located subsystem (called the PDME for Prognostics, Diagnostics, Monitoring Engine) which is designed so that it can run under shipboard monitoring systems such as ICAS (Integrated Condition Assessment System). MPROS includes and augments periodic vibration analysis by collecting data continuously from vibration and other sensors, including temperature, pressure, current, voltage, and so on. These data streams are integrated as necessary in the Data Concentrators (data fusion). A second level of integration (knowledge fusion) occurs in the PDME. At this level, the conclusions of different diagnostic and prognostic reasoning mechanisms are fused to yield the best possible analysis. In this paper, we discuss recent progress in design and implementation of the software and hardware required to support our system.

关键词： Machinery Engines Intelligent sensors Condition monitoring Vibrations Temperature sensors Micromechanical devices Mechanical sensors Sensor systems Machine intelligence

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Collaborative tools and processes to support software engineering shift work

British Telecom technology journal

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British Telecom technology journal 1997年第3期15卷 189-198页

作者： Gorton, I. Hawryszkiewycz, I. Ragoonaden, K. Sheffield Hallam University United Kingdom CSIRO Australia Software Engineering Research Group CSIRO Transarc Corporation Sydney NSW Australia Department of Computing Sciences University of Technology Sydney NSW Australia Computer Supported Cooperative Work Ger. Natl. Computer Research Center Res. Inst. of Appl. Knowledge Proc. University of Ulm Germany University of Technology Sydney NSW Australia University of Canberra Australia University of Maryland College Park MD United States Telecom Australia Australia MIT United States University of Adelaide Australia UMIST United Kingdom City University London United Kingdom BT Laboratories United Kingdom Software Technology Division BT Asia Pacific Regional MIS Unit Sydney NSW Australia GWSE

This paper describes the construction of and early experiences with a software engineering support environment for projects using globally distributed teams. The goals of the project are twofold. Firstly, it aims to construct a pragmatic solution to the problems experienced by widely geographically dispersed groups which collaborate on software development projects. Secondly, it aims to experiment with processes which facilitate software shift work through exploitation of time differences between collaborating groups. The construction of the support environment, known as GWSE (Global Working in software engineering) system, is presented, including its architecture and integration with existing workflow, document and project management tools. The use of the GWSE system in a trial development project is then described, including an initial quantitative analysis of the collaboration overheads experienced.

关键词： Computer aided software engineering

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A standard simulation environment: a review of preliminary requirements 94

A standard simulation environment: a review of preliminary r...

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Simulation Winter Conference

作者： M.A.F. Wagner S. Sevinc O. Tanir P.L. Haigh J.D. Arthur R.E. Nance H.D. Schwetman SysTech Software Solutions Annandale VA USA Knowledge Systems Group Basser University of Sydney Australia Quality Engineering and Research (QER) Group Longueuil QUE Canada High Performance Software Inc. Dayton OH USA Systems Research Center Department of Computer Science Virginia Polytechnic Institute and State University Blacksburg VA USA Mesquite Software Inc. Austin TX USA

ISBN: (纸本)9780780321090

The concept of a simulation environment combines different aspects of the simulation process into one complete powerful tool. The environment should provide the necessary state-of-the-art advances and concepts that a modeler may require during the simulation development and execution process. The "environment" requirements must address the end user needs while minimizing the necessity of learning a new language. The requirements must specify the useful features, independent of different platforms and implementation languages. Hence the opportunity exists for standardization of environments. The paper opens a discussion on challenges and rewards awaiting the simulation community with the advent of a standard environment.

关键词： Power system modeling Computational modeling Computer simulation Standardization knowledge based systems Australia knowledge engineering software performance Drives Computer science

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