@inproceedings{1306,
  author = {Xiaohui Liang and Xu Li and Rongxing Lu and Xiaodong Lin and Xuemin Shen},
  title = {An efficient and secure user revocation scheme in mobile social networks},
  year = {2011},
  journal = {Global Telecommunications Conference (GLOBECOM 2011), 2011 IEEE},
  pages = {1-5},
  publisher = {IEEE},
}