基于社会网络分析的港口竞合关系模型

Ports co-competition relationship modelbased on social network analysis

采用聚类分析与社会网络分析相结合的方法,构建港口竞合关系分析模型,通过对社会网络分析(SNA)中心势、中心度、中间性的分析,对竞合港口进行合理分层,识别出港口竞合关系关联强度、不同层次的核心港口及中介型港口,并以此作为制定港口竞合关系发展战略的依据.对珠三角港口群的分析验证了该模型的有效性.

The method combining cluster analysis with 5ocial net- work analysis（SNA） was used to establish the model of ports co- competition relationships. The centrality and betweenness methodology in SNA were studied, and the center of different levels of ports and the intermediary type port were recognized, which could be the basis for decision-making. The ports group of Pear[ River Delta is taken as an example for the verification, and result shows the effectness of the proposed method.