@article{ghorbel2017privacy,
  title={Privacy in cloud computing environments: a survey and research challenges},
  author={Ghorbel, Amal and Ghorbel, Mahmoud and Jmaiel, Mohamed},
  journal={The Journal of Supercomputing},
  volume={73},
  number={6},
  pages={2763--2800},
  year={2017},
  publisher={Springer}
}