@ARTICLE{6583915,
  author={Fan, Zhe and Peng, Yun and Choi, Byron and Xu, Jianliang and Bhowmick, Sourav S.},
  journal={IEEE Transactions on Services Computing}, 
  title={Towards Efficient Authenticated Subgraph Query Service in Outsourced Graph Databases}, 
  year={2014},
  volume={7},
  number={4},
  pages={696-713},
  doi={10.1109/TSC.2013.42}}