Institute of Information Engineering Chinese Academy of Sciences Beijing 100093 China;
School of Cyber Security University of Chinese Academy of Sciences Beijing 100049 China;
State Key Laboratory of Integrated Services Networks School of Cyber Engineering Xidian University Xi’an 710071 China;
Department of Computer Science and Software Engineering Swinburne University of Technology Hawthorn VIC 3122 Australia;
Privacy computing; Private information description; Privacy metric; Evaluation of the privacy-preserving effect; Privacy computing language;