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层次视角下概念知识网络的三元关系形态研究
引用本文:胡昌平,陈果.层次视角下概念知识网络的三元关系形态研究[J].图书情报工作,2014,58(4):11-16.
作者姓名:胡昌平  陈果
作者单位:1. 武汉大学信息资源研究中心; 2. 武汉大学信息管理学院
基金项目:本文系国家自然科学基金项目“数字图书馆社区的知识聚合与服务研究”(项目编号:71273197)研究成果之一。
摘    要:基于关键词共现的概念知识网络具有明显的层次结构,以节点k-core值为依据可将其划分出层次。引入三元闭包作为知识网络分析的基本单元,在层次视角下,三元闭包存在多样性,可用于描述节点的同层聚集、知识融合、知识分化等多种现象。以“数字图书馆”领域为例,由其关键词组成的概念知识网络可进行分层,引入节点层级差异和三元闭包类型后,可以更深入地分析知识网络中节点的微观关联结构。

关 键 词:三元闭包  知识网络  层次网络  共词分析  数字图书馆  
收稿时间:2014-01-20

Research on Ternary Relationship of the Conceptual Knowledge Network from the Hierarchy Perspective
Hu Changping,Chen Guo.Research on Ternary Relationship of the Conceptual Knowledge Network from the Hierarchy Perspective[J].Library and Information Service,2014,58(4):11-16.
Authors:Hu Changping  Chen Guo
Affiliation:1. Center for Studies of Information Resources, Wuhan University, Wuhan 430072; 2. School of Information Management, Wuhan University, Wuhan 430072
Abstract:The conceptual knowledge network based on keyword co-occurrence is a complex network with hierarchical structure, which can be divided into different layers in term of the k-core value of nodes. This paper introduces the theory of triadic closure as the basic unit of network structure analysis.From the hierarchical perspective, different type of triadic closures can represent different structure of knowledge connections, such as the cluster of similar nodes, knowledge fusion and knowledge differentiation.In the case of digital libraries, conceptual knowledge network with keywords can be divided into three layers.Based on the distinctions of nodes and triadic closures, it can make a deeper analysis on the microscopic connection structure among nodes in the knowledge network.
Keywords:tridic closure  knowledge network  hierarchical network  co-word analysis  digital library  
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