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

Table 5

Changes in network structure statistics for PRCN.

Indicators	2009	2011	2013	2015	2017
Linked node fraction (%)	28.69	45.08	60.66	89.34	100.00
Average node degree	0.85	1.61	2.41	3.67	4.46
Network density	0.01	0.01	0.02	0.03	0.04
Main component fraction (%)	18.03	42.62	60.66	83.61	97.54
Average distance among main component nodes	2.90	3.40	3.50	3.20	3.10
Clustering coefficient	0.51	0.36	0.28	0.23	0.22
Graph centralization	0.07	0.10	0.14	0.20	0.23