1. Beijing University of Posts and Telecommunications,School of Information and Communication Engineering,Beijing,China
2. Beijing University of Posts and Telecommunications,School of Computer Science,Beijing,China
3. Guizhou University,Guizhou Big Data Academy,Guiyang,China
4. Beijing Information Science and Technology University,Computer School,Beijing,China
5. Guizhou University,College of Big Data and Information Engineering,Guiyang,China