@article{CuiZWWDW21, title={{PPSB:} An Open and Flexible Platform for Privacy-Preserving Safe Browsing}, author={Helei Cui and Yajin Zhou and Cong Wang and Xinyu Wang and Yuefeng Du and Qian Wang}, journal={{IEEE} Transactions on Dependable and Secure Computing}, volume={18}, number={4}, pages ={1762--1778}, year={2021} }