长三角城市间科学合作的社会网络动态分析

借助社会网络分析方法,对1991-2010年长三角16个城市间科学合作的网络密度、中心度、平均路径长度和簇系数等指标的计算和分析,分别从宏观和微观网络结构两个方面考察其网络发展的动态特征与演进机理。结果表明:长三角城市间科学合作的网络架构已经基本成形,但网络发展呈明显的非均衡性。虽然网络驱动功能出现了向中小型城市倾斜的趋势,但以上海和南京等大城市主导的"核心-边缘"网络结构仍在不断加深并长期存在。

Dynamic Social Network Analysis on Inter-City Scientific Collaboration in Yangtze River Delta

This paper introduced the social network analysis approach to investigate inter-city scientific collaboration between sixteen cities in Yangtze River Delta from 1991 to 2010. We examined the network structure and its developmental mechanism by estimating network density, ccntrality, average path length and clustering coefficient, to examine the dynamic characteristics of social network development in both microcosmic and macrocosmic perspectives. The conclusions showed that, although the scientific collaboration net- work has been basically established, the networking process presents significantly spatial unevenness. The driving function of the whole network tends to shift on middle-small cities, but the growing ＂core-periphery＂ structure dominated by Shanghai and Nanjing would hinder the further development of scientific collaboration network for a long time.