From: An efficient privacy protection in mobility social network services with novel clustering-based anonymization
Clusters
C 1
C 2
C 3
C 4
C 5
C 6
C 7
Sum
Purity
1
27
0
2
14
3
13
15
0.867
4
7
5
20
21
0.952
6
8
10
0.8
0.571