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

Table 4

Five-top ranked organizations in PUCN during 2002 to 2017.

Measure	2009	2011	2013	2015	2017
Degree centrality	O27	O47	O47	O47	O1
	O23	D3	D3	O1	O47
	D3	C23	O1	D39	C13
	O1	C35	C23	D3	O27
	O47	O1	C35	C23	C23
Eigenvector centrality	O23	O47	D3	O47	C23
	D3	D3	O47	D3	O47
	D39	C35	C23	C23	D3
	C13	C23	C35	C35	C13
	C22	C28	D39	D39	C35

The capital letter in the code of the organizations represents the organization type (O refers to owners, D refers to design consultants, and C refers to main contractors), and the second digit represents the serial coding number for each organization type. The asterisked organizations are overseas organizations, whereas the nonasterisked are local organizations. For example, D3 refers to the design consultant which is coded as No. 3 among all the design consultants and it is an overseas company/organization, while O27 refers to the owner which is coded as No. 27 among all the owners and it is a local company/organization.