From: Who is really in my social circle?
Network
I
|V|
|E|
|ER|
Δ
α
D
d
CC
APS
1st
82
53
47
31
64
77
200
191
PubMed
5th
91
46
54
23
50
150
173
DBLP
3rd
61
38
62
15
63
104
146
381
Dartmouth
76
13
87
17
22
350
102
USC
10th
3
2
98
14
81
3k
65
433
Enron
12
1
99
7
6
55
92