Comparing Project-Based Collaborative Networks for BIM Implementation in Public and Private Sectors: A Longitudinal Study in Hong Kong

Table 3

Core-periphery structure in PUCN.

Time points	Density of linkages		Number of nodes in the core	Final fitness
	Core	Periphery
2009
Core	1.000	0.004	5	0.505
Periphery	0.004	0.006
2011
Core	0.893	0.048	8	0.517
Periphery	0.048	0.013
2013
Core	0.449	0.055	17	0.474
Periphery	0.055	0.015
2015
Core	0.462	0.079	19	0.511
Periphery	0.079	0.015
2017
Core	0.402	0.087	24	0.437
Periphery	0.087	0.029