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

Table 2

Changes in network structure statistics for PUCN.

Indicators	2009	2011	2013	2015	2017
Linked node fraction (%)	26.37	44.55	63.37	76.24	100.00
Average node degree	0.81	2.34	3.80	4.99	7.05
Network density	0.01	0.02	0.04	0.05	0.07
Main component fraction (%)	10.89	44.55	63.37	76.24	100.00
Average distance among main component nodes	2.50	2.72	2.68	2.52	2.64
Clustering coefficient	0.68	0.46	0.37	0.33	0.32
Graph centralization	0.05	0.14	0.19	0.20	0.23