Table 2. Real graphs and basic properties.

Graph	|V|	|E|	k	〈d〉	ρ	l G	Ref.
Bovine	121	190	12	3.140	0.026	2.861	Reimand et al. (2008)
Circuit	252	399	25	3.167	0.012	5.806	Milo et al. (2004)
EColi	328	456	15	2.780	0.008	4.834	Yang, Huang & Lai (2008)
USAir97	332	2126	33	12.807	0.038	2.738	Rossi & Ahmed (2015)
HumanDis	516	1188	52	4.605	0.008	6.509	Goh et al. (2007)
TrainsRome	255	272	26	2.133	0.008	43.496	Cacchiani, Caprara & Toth (2010)
EUFlights	1191	31610	119	53.081	0.044	2.622	Opsahl (2011)
Oclinks	1839	13838	190	14.574	0.008	3.055	Opsahl & Panzarasa (2009)
Facebook	4039	88234	404	43.691	0.010	3.693	Leskovec & Krevl (2014)