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2001 International Conferences on Info-tech and Info-net

作者： Lei Yuxia Cao Cungen Sui Yuefei Institute of Software Chinese Academy of Sciences Laboratory of Intelligent Information Processing Institute of Computing Technology Chinese Academy of Science

Knowledge processing is an important research field in AI.A lot of practices have proved that it is necessary for computer to really realize intelligence to has enough knowledge(i.e. knowledge base) and interconnections among ***,Johnson has advanced a famous three stages knowledge acquisition model,and means that knowledge is not isolated but mutally *** sufficiently show that it is necessary and feasible to research knowledge interconnection in knowledge *** the paper,we firstly introduced CR(concept-relation)-model and hierarchical concept graph(HCG),and then deeply research knowledge interconnection in National Knowledge Infrastructure(NKI).

关键词： CR-model knowledge interconnection formal semantic relations NKI hierarchical concept graph

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Text Document Clustering and the Space of Concept on Text Document Automatically Generated

Text Document Clustering and the Space of Concept on Text Do...

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2001 International Conferences on Info-tech and Info-net

作者： Fu Weipeng Wu Bin He Qing Shi Zhongzhi Graduate school of University of Science and Technology of China The Laboratory of Intelligent Information Processing Institute of Computing TechnologyChinese Academy of Sciences

A method of automatically generated to the space of the concept on text document is ***, cluster the text document through SOM and gain the concept of text for mark the classification,and then using the fuzzy clustering to automatically generate and sum up the concept space for managing the text *** result can be used to cluster the Chinese document and generates an index of the cluster *** is an unsupervised-learning neural-network method that produces a mapping from text space into concept *** experiments and test results are shown that the space of concept does well in arranging the classification of the text and is convenient to information retrieval.

关键词： concept space text index Self-Organizing Maps

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International Conferences on Info-tech and Info-net (ICII)

作者： Hualin Wan Hong Hu Zhongzhi Shi Lab of Intelligent Information Processing Institute of Computing Technology Chinese Academy and Sciences China

There is an urgent need for effective content-based image retrieval (CBIR) systems, and we believe the key to effective CBIR performance lies in the ability to access the image at the level of objects. Motivated by these considerations, we propose a region-based image retrieval system using max weighted bipartite matching, which can successfully solve the similarity measure of a multi-region image. The retrieval involves two stages: first, the images are segmented based on perceptual color homogeneity, for each color region, color, texture, scale, location and shape characteristics are used to represent the content of regions. Second, the max weighted bipartite matching scheme is used to measure the similarity between images. Experimental results show that a region-based approach can retrieve more relevant and more accurate images.

关键词： Weight measurement Image segmentation Image retrieval Content based retrieval Multimedia databases Clustering algorithms Color Shape measurement information processing Computers

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Commitment Mechanism in Agent Organization

Commitment Mechanism in Agent Organization

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2001 International Conferences on Info-tech and Info-net

作者： Zhang Wei Xu Jinhui Shi Chunyi Dept.of Computer Science and Technology Tsinghua University Laboratory of Intelligent Information Processing Institute of Computing TechnologyChinese Academy of Sciences

As a novel system description and problem solving method,agent organization can potentially decrease the difficulty of problem solving and reduce the complexity of agent *** research about agent organization are mostly being undertaken in agent organization model,organization structure,organization rules, organization formation and evolution,so it is necessary to extend the research to analyze mental states and their *** this paper,the mental states of commitments in agent organization are defined and analyzed including internal commitment,social commitment,Group commitment and organization *** semantics and properties of different commitments are given so that advances the works associated with agent organization.

关键词： agent organization mental states commitment

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Based-CR knowledge interconnection in National Knowledge Infrastructure

Based-CR knowledge interconnection in National Knowledge Inf...

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International Conferences on Info-tech and Info-net (ICII)

作者： Lei Yuxia Cao Cungen Sui Yuefei Chinese Academy and Sciences Russia Laboratory of Intelligent Information Processing Institute of Computing Technology Chinese Academy and Sciences Beijing China

Knowledge processing is an important research field in AI. A lot of research practice has proved that it is necessary for a computer to really realize intelligence to have enough knowledge (i.e. knowledge base) and interconnections among knowledge. Otherwise, Johnson has advanced a famous three stage knowledge acquisition model, where knowledge is not isolated but mutually relevant. These sufficiently show that it is necessary and feasible to research knowledge interconnection in knowledge processing. We firstly introduce the CR (concept-relation) model and hierarchical concept graph (HCG), and then research knowledge interconnection in the National Knowledge Infrastructure (NKI).

关键词： Artificial intelligence LAN interconnection Knowledge acquisition Dictionaries Natural languages Logic Laboratories Computers information processing Knowledge based systems

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Algorithms of Integrated Student Modeling in Online Virtual Educational Community

Algorithms of Integrated Student Modeling in Online Virtual ...

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2001 International Conferences on Info-tech and Info-net

作者： Yonghong Tian Tiejun Huang Wen Gao Digital Media Lab Institute of Computing TechnologyChinese Academy of Sciences Laboratory of Intelligent Information Processing Chinese Academy of Sciences

The paper focuses on how to construct student models in the online virtual educational *** firstly analyze social interaction between students in the community,and present some algorithms to model students'(personal and shared) needs, preferences or knowledge structures in interaction ***,the paper proposes an integrated student model combined with student modeling in information services and task processes,and emphasizes that it builds up a foundation to personalize information services and customize online educational programs.

关键词： Virtual community interaction activities integrated student modeling personalized study assistants

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Multi-user shared virtual reality in the exhibition of Chinese nationalities-Virtual Museum of Chinese Nationalities

Multi-user shared virtual reality in the exhibition of Chine...

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International Conference on Computer Supported Cooperative Work in Design

作者： Jun Zhang Fengsen Li Hua Li Lab of Intelligent Information Processing Institute of Computing Technology Chinese Academy and Sciences Beijing China

ISBN: (纸本)0660184931

Virtual Museum of Chinese Nationalities is a multi-user shared virtual reality system developed to popularize the cultures and folk-customs of various ethnic groups for the public by means of cooperative work. We regard the project as long-term research, in that there are many problems to be solved. Unlike existing systems, we should maintain scalable and interactive performance on a wide variety of computing platforms, not only high-end graphics workstations, and distribute the virtual world via a bandwidth-limited network. We introduce some architectures and algorithms realized in our current prototype, e.g., shared event mechanism, area of interest algorithm, distributed server architecture, etc.

关键词： Virtual reality Computer architecture Collaborative work Computer networks Distributed computing High performance computing Graphics Workstations Prototypes Network servers

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Algorithms of integrated student modeling in online virtual educational community

Algorithms of integrated student modeling in online virtual ...

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International Conferences on Info-tech and Info-net (ICII)

作者： Yonghong Tian Tiejun Huang Wen Gao Digital Media Laboratory Institute of Computing Technology Chinese Academy and Sciences Beijing China Laboratory of Intelligent Information Processing Chinese Academy and Sciences Beijing China

The paper focuses on how to construct student models in the online virtual educational community. First, we analyze social interaction between students in the community, and present some algorithms to model students' (personal and shared) needs, preferences or knowledge structures in interaction activities. Then, the paper proposes an integrated student model combined with student modeling in information services and task processes, and emphasizes that it builds up a foundation to personalize information services and customize online educational programs.

关键词： Educational programs Space technology Computers Laboratories information processing Algorithm design and analysis information technology intelligent networks Educational technology Virtual groups

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Commitment mechanism in agent organization

Commitment mechanism in agent organization

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International Conferences on Info-tech and Info-net (ICII)

作者： Zhang Wei Xu Jinhui Shi Chunyi Department of Computer Science and Technology Tsinghua University Beijing China Laboratory of Intelligent Information Processing Institute of Computing Technology Chinese Academy and Sciences Beijing China

As a novel system description and problem solving method, agent organization can potentially decrease the difficulty of problem solving and reduce the complexity of agent interactions. Current research about agent organization are mostly being undertaken in an agent organization model, organization structure, organization rules, organization formation and evolution, so it is necessary to extend the research to analyze mental states and their relations. In the paper, the mental states of commitments in agent organization are defined and analyzed including internal commitment, social commitment, group commitment and organization commitment. The semantics and properties of different commitments are given so advancing the works associated with agent organization.

关键词： Problem-solving Bridges Computer science Laboratories intelligent agent information processing

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Terrain Simplification Research in Augmented Scene Modeling

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Journal of China University of Geosciences 2001年第4期12卷 351-355页

作者： Ming Delie You Kefei Tian Jinwen Liu Jian State Key laboratory for Image processing and intelligent Control, institute for Pattern Recognition and Artificial Intelligence , Huazhong University of Science and technology , Wuhan 430074 Wang Guangju State Key Laboratory for Image Processing and Intelligent Control Institute for Pattern Recognition and Artificial Intelligence Huazhong University of Science and Technology Wuhan 430074 Faculty of Information Engineering China University of Geosciences Wuhan 430074

Augmented reality is the merging of synthetic sensory information into a user's perception of a real environment. As one of the most important tasks in augmented scene modeling, terrain simplification research has gained more and more attention. In this paper, we mainly focus on point selection problem in terrain simplification using triangulated irregular network. Based on the analysis and comparison of traditional importance measures for each input point, we put forward a new importance measure based on local entropy. The results demonstrate that the local entropy criterion has a better performance than any traditional methods. In addition, it can effectively conquer the 'short-sight' problem associated with the traditional methods.

关键词： augmented reality scene modeling terrain simplification triangulated irregular network importance measures local entropy.

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