Songyan Li Kang Dong Zhaobin Liu Zhiyang Li 0001 Dynamic Network Data Protection Algorithm Using Differential Privacy in Internet of Things. 306-313 2019 SmartIoT https://doi.org/10.1109/SmartIoT.2019.00053 conf/smartiot/2019 db/conf/smartiot/smartiot2019.html#LiDLL19