Green Technology Collaboration Network Analysis of China’s Transportation Sector: A Patent-Based Analysis

Table 4

Characteristics of the GTTs collaborative network of different lead types.

Item	Type B network		Type C network		Type U network		Type I network
Qty. of nodes	1445		2372		208		165
B type node	1186	82.08%	34	1.43%	66	31.73%	74	44.85%
C type node	166	11.49%	2331	98.27%	48	23.08%	2	1.21%
U type node	40	2.77%	7	0.30%	89	42.79%	7	4.24%
I type node	53	3.67%	0	0.00%	5	2.40%	83	50.30%
Qty. of links	2096		1825		153		395
Density	0.001		0.001		0.009		0.006
Average degree	0.694		0.649		0.615		0.782
Average weighted degree	1.451		0.769		0.736		2.394
Diameter	10		3		2		3
Average clustering coefficient	0.007		0.01		0		0.04
Average path length	2.095		1.575		1.117		1.549