School of Computer Science and Cyberspace Security;
Hainan University;
Haikou;
570228;
China;
College of Humanities and Communication;
Hainan University;
Haikou;
570228;
China;
University of Chinese Academy of Science;
Beijing;
100049;
China;
National University of Defense Technology;
Changsha;
410073;
China;
Department of Mathematics and Computer Science;
Northeastern State University;
Tahlequah;
USA;