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Intelligence Chinese Document Semantic Indexing System

International Journal of information technology & Decision Making 2003年第3期2卷 407-424页

作者： Zhongzhi Shi Qing He Ziyan Jia Jiayou Li Key Laboratory of Intelligent Information Processing Institute of Computing Technology Chinese Academy of Sciences Zhongguan Cun Kexueyuan Nanlu #6 P.O. Box 2704 Beijing 100080 China

With the rapid growth of the Internet, how to get information from this huge information space becomes an even more important problem. In this paper, An Intelligence Chinese Document Semantic Indexing System; ICDSIS, is proposed. Some new technologies are integrated in ICDSIS to obtain good performance. ICDSIS is composed of four key procedures. A parallel, distributed and configurable Spider is used for information gather; a multi-hierarchy document classification approach combining the information gain initially processes gathered web documents; a swarm intelligence based document clustering method is used for information organization; a concept-based retrieval interface is applied for user interactive retrieval. ICDSIS is an all-sided solution for information retrieval on the Internet.

关键词： information processing document classification document clustering semantic indexing concept space

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Designing a Top—Level Ontology of Human Beings：A Multi—Perspective Approach

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Journal of Computer Science & technology 2002年第5期17卷 636-656页

作者：田雯顾芳曹存根 Key Laboratory of Intelligent Information Processing Institute of Computing Technology The Chinese Academy of Sciences Beijing 100080 P.R. China

Knowledge about human beings is an integral part of any intelligent agent ofconsiderable significance. Delimiting, modeling and acquiring such knowledge are the centraltopics of this paper. Because of the tremendous complexity in knowledge of human beings, weintroduce a top-level ontology of human beings from the perspectives of psychology, sociology,physiology and pathology. This ontology is not only an explicit conceptualization of humanbeings, but also an efficient way of acquiring and organizing relevant knowledge.

关键词： knowledge of human beings ontology top-level ontology of human beings psychology sociology physiology pathology knowledge acquisition

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Progress in the Development of National Knowledge Infrastructure

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Journal of Computer Science & technology 2002年第5期17卷 523-534页

作者：曹存根丰强泽高颖顾芳司晋新眭跃飞田雯王海涛王丽丽曾庆田张春霞郑宇飞周肖彬 Knowledge Acquisition and Sharing Group Key Laboratory of Intelligent Information Processing Institute of Computing Technology The Chinese Academy of Sciences Beijing 100080 P.R. China

This paper presents the recent process in a long-term research project, calledNational Knowledge Infrastructure (or NKI). Initiated in the early 2000, the project aims todevelop a multi-domain shareable knowledge base for knowledge-intensive applications. Todevelop NKI, we have used domain-specific ontologies as a solid basis, and have built morethan 600 ontologies. Using these ontologies and our knowledge acquisition methods, we haveextracted about 1.1 millions of domain assertions. For users to access our NKI knowledge,we have developed a uniform multi-modal human-knowledge interface. We have also imple-mented a knowledge application programming interface for various applications to share theNKI knowledge.

关键词： national knowledge infrastructure knowledge acquisition domain-specificontology human-knowledge interface knowledge application programming interface

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Advances in simulated modeling of vibration systems based on computational intelligence

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自然科学进展(英文版) 2002年第12期12卷 881-886页

作者： LIANG Yanchun LEE Heow Pueh LIN Wuzhong LIM Siak Piang LEE Kwok Hong Zhou Chunguang College of Computer Science and Technology Jilin University Changchun 130012 China Institute of High Performance Computing Singapore 117528 Key Laboratory of Intelligent Information Processing Institute of Computing Technology Chinese Academy of Sci Institute of High Performance Computing Singapore 117528 Department of Mechanical Engineering National University of Singapore Singapore 119260 Singapore College of Computer Science and Technology Jilin University Changchun 130012 China

Computational intelligence is the computational simulation of the bio-intelligence, which includes artificial neural networks, fuzzy systems and evolutionary computations. This article summarizes the state of the art in the field of simulated modeling of vibration systems using methods of computational intelligence, based on some relevant subjects and the authors' own research work. First, contributions to the applications of computational intelligence to the identification of nonlinear characteristics of packaging are reviewed. Subsequently, applications of the newly developed training algorithms for feedforward neural networks to the identification of restoring forces in multi-degree-of-freedom nonlinear systems are discussed. Finally, the neural-network-based method of model reduction for the dynamic simulation of microelectromechanical systems (MEMS) using generalized Hebbian algorithm (GHA) and robust GHA is outlined. The prospects of the simulated modeling of vibration systems using techniques of computational intelligence are also indicated.

关键词： computational intelligence artificial neural network fuzzy system evolutionary computation vibration system

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A New Texture Spectrum Descriptor and its Application in Image Semantic Classification 17

A New Texture Spectrum Descriptor and its Application in Ima...

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17th International Conference on Computers and Their Applications, CATA 2002

作者： Wan, Hualin Chowdhury, Morshed U. Hu, Hong Shi, Zhongzhi Lab of Intelligent Information Processing Institute of Computing Technology CAS China School of Computing and Mathematics Deakin University- Melbourne Campus 221 Burwood Highway BurwoodVIC3125 Australia

ISBN: (纸本)9781618395481

There exists an enormous gap between low-level visual features and high-level semantic information and accuracy of content-based image classification. Retrieval depends largely on the description of low-level visual features. Taking these points into consideration, we propose a new method to describe image texture features. Furthermore, incorporating colour and the texture feature spectrum, images are grouped into semantic classes using SVM. Experiment results show our texture spectrum method is more discriminal. © 17th International Conference on Computers and Their Applications 2002, CATA 2002. All rights reserved.

关键词： Textures

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KGCL: A knowledge-grid-based cooperative learning environment 1

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1st International Conference on Web-Based Learning, ICWL 2002

作者： Zhuge, Hai Li, Yanyan Bi, Jia Cheung, To-Yat Knowledge Grid Research Group Key Lab of Intelligent Information Processing Institute of Computing Technology Chinese Academy of Sciences Beijing100080 China Department of Computer Science City University of Hong Kong Hong Kong Hong Kong

ISBN: (纸本)3540440410

Knowledge Grid is a platform that enables uniform and effective knowledge sharing and management across the Internet. Based on this platform, this paper proposes a cooperative learning environment KGCL. It supports the knowledge-level cooperation between human and computer, and enables the enrichment of not only the resources in the Knowledge Grid but also the knowledge of users by means of knowledge refinement, knowledge reuse and drawing together online participants. Currently, the prototype of the KGCL has been implemented and is available for use online. Experiments show that the environment can promote the effectiveness of teamwork. © Springer-Verlag Berlin Heidelberg 2002.

关键词： Computer aided instruction

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The classification method based on hyper surface

The classification method based on hyper surface

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International Joint Conference on Neural Networks (IJCNN)

作者： Qing He Zhong-Zhi Shi Li-An Ren The Key Laboratory of Intelligent Information Processing Institute of Computing Technology Chinese Academy and Sciences Beijing China Graduate College of University of Science and Technology of China Beijing China

The main idea of SVM, i.e. Support Vector Machine, is mapping nonlinear separable data into higher dimension linear space where the data can be separated by hyper plane. Based on Jordan Curve Theorem, a general classification method HSC, Classification based on Hyper Surface, is put forward in this paper. The separating hyper surface is directly made to classify large database. The data are classified according to whether the intersecting number is odd or even. It is a novel approach which has no need of either mapping from lower dimension space to higher dimension space or considering kernel function. It can directly solve the nonlinear classification problem. The experiments show that the new method can efficiently and accurately classify large data.

关键词： Support vector machines Support vector machine classification Machine learning Machine learning algorithms Space technology Databases Artificial intelligence Neural networks Helium Laboratories

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Research on real time detailed terrain rendering

Research on real time detailed terrain rendering

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International Conference on Computer Supported Cooperative Work in Design

作者： Likun Zhou Jinpeng Liu Dingfang Chen The Research Institute of Intelligent Manufacture and Control Wuhan University of Technology Wuhan China Laboratory of Intelligent Information Processing Chinese Academy and Sciences Beijing China

ISBN: (纸本)8528500500

Three-dimensional terrain generation is one of important factors of the natural scenes in virtual environment. It is also a significant composition of view system in virtual reality field. This paper introduces the necessary of terrain simplification in virtual browse, and concludes the existing algorithm. Then reduces the realtime algorithm of dynamic level of detail terrain rendering and describes its realizing process in detail. At last, this paper also presents the method of removing cracks on the meshes boundary.

关键词： Layout Integral equations Displays information processing Virtual environment Heuristic algorithms Artificial intelligence Data visualization Geography information systems

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Discrete clothoid spline surfaces on open meshes

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International Journal of Image and Graphics 2001年第4期1卷 575-589页

作者： Li, Guiqing Li, Xianmin Li, Hua State Key Lab of CADandCG Zhejiang University Hangzhou310027 China Intelligent Information Processing Institute of Computing Technology Chinese Academic Sciences Beijing100080 China

By introducing a discrete Frenet frame, this paper first proposes 3D discrete clothoid splines to extend the planar discrete clothoid splines of Schneider and Kobbelt. On the basis of 3D discrete clothoid spline curves, discrete clothoid spline surfaces for arbitrary meshes are defined as a generalization of their closed discrete clothoid spline surfaces. Moreover, a discrete mean curvature normal operator instead of the conic surface fitting method is employed to compute curvature values. This induces a new iteration algorithm for generating the discrete clothoid spline surfaces. Since the curvature at a vertex is an area average over a region around this vertex and no linear system needs to be settled, the algorithm works more steadily and efficiently. Besides being directly used to produce fair mesh surfaces, the approach can also be employed to smooth control nets of spline surfaces. © 2001 World Scientific Publishing Company.

关键词： Linear systems

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AST - A method of agent naming and localization

AST - A method of agent naming and localization

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International Conference on Computer Networks and Mobile computing, ICCNMC 2001

作者： Zhong, Shi-Qiang Shi, Zhong-Zhi Tian, Qi-Jia Intelligent Information Process Laboratory Institute of Computing Technology Chinese Academy of Sciences Beijing100080 China

ISBN: (纸本)0769513816

Agent naming and localization is the key technology in mobile agents. How it is implemented affects the performance of the whole agent system deeply. The paper proposes a method called agent shadow tracing to implement the agent naming and localization, after analyzing three approaches in agent naming and localization. This method treats agents as some source of the host that generates it, and assigns a shadow to the agent so that other agents and programs can communicate with it through the shadow when the agent roams around the network. The paper also discusses the security of AST and its advantages compared with other methods. This method avoids some known disadvantages in existing methods. © 2001 IEEE.

关键词： software agents multi-agent systems client-server systems security of data agent naming agent localization mobile agents agent shadow tracing security

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