School of Computer Science;
Nanjing University of Posts and Telecommunications;
Nanjing 210003;
China;
State Key Laboratory of Information Security;
Chinese Academy of Sciences;
Beijing 100093;
China;
Institute of Big Data Research at Yancheng;
Nanjing University of Posts and Telecommunications;
Yancheng 224005;
China;
Science and Technology Department;
Nanjing University of Posts and Telecommunications;
Nanjing 210003;
China;
truth; finder; data; reliability; entity; attribute; data; conflict;