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以两种语体的汉语依存句法树库为基础,根据词频及分布率统计结果,选取3个汉语虚词作为研究对象.对提取的3个虚词节点进行了节点度数、点出度、点入度、接近性、内接近性、外接近性、中间度等网络特征的统计,并将这3个节点从网络中移除,对比分析网络前后的节点数、平均度、平均路径长度、网络直径、孤立节点数、最大范围、密度等网络特征的变化.结果表明,3个虚词均是网络的中心节点,但地位各有不同,它们对网络整体结构的影响也有较大区别.本研究不仅为汉语虚词的研究提供了新方法,也为复杂网络中的节点特性研究提供了新的思路.
Based on the Chinese-dependent syntactic treebank in two kinds of genres, three Chinese function words were selected as the research object according to the statistics of word frequency and distribution rate.The degrees of node, point out, point in-degree , Closeness, internal proximity, external proximity, intermediate degree and other network features, and remove the three nodes from the network, comparing the number of nodes before and after the network, the average degree, the average path length, the network diameter, The number of isolated nodes, the maximum range, the density and other network features.The results show that all the three function words are the central nodes of the network, but their positions are different, and their influence on the overall network structure is also greatly different.This study not only for Chinese The study of function words provides a new method, but also provides a new idea for the study of node characteristics in complex networks.