Table 2. Some characteristics (number of vertices (|V|), number of edges (|E|), average degree (degree_avg), maximum degree (max_degree)) of networks.

Networks	|V|	|E|	Degree_avg	Max_degree
Grqc	5,241	14,484	5.53	81
Facebook	4,039	88,234	43.69	1,045
Blog	3,982	6,803	3.42	189
Netscience	379	914	4.82	34