@inproceedings{ccs/CaiZWJW22,
  author       = {Chengjun Cai and
                  Yichen Zang and
                  Cong Wang and
                  Xiaohua Jia and
                  Qian Wang},
  title        = {Vizard: {A} Metadata-hiding Data Analytic System with End-to-End Policy
                  Controls},
  booktitle    = {{ACM} {SIGSAC} Conference on Computer and Communications Security, Los Angeles, CA, USA, November 7-11, 2022},
  pages        = {441--454},
  year         = {2022}
}