Open Access
ARTICLE
Access Control Policy Based on Friend Circle
1 School of Computer and Software, Nanjing University of Information Science and Technology, Nanjing, 210044, China.
2 CICAEET, Jiangsu Engineering Centre of Network Monitoring, Nanjing University of Information Science and Technology, Nanjing, 210044, China.
3 Computer Science Department, College of Computer and Information Sciences, King Saud University,
Riyadh, 11362, Saudi Arabia.
* Corresponding Author: Tinghuai Ma. Email: .