1. State Key Laboratory of Media Convergence and Communication Communication University of China Beijing China
2. Institute of Science and Technology Information of China Beijing China
3. Beijing Key Laboratory of Intelligent Telecommunication Software and Multimedia, School of Computer Science Beijing University of Posts and Telecommunications Beijing China
4. School of Computer Science North China Institute of Science and Technology Beijing China
5. School of Opto‐electronic Information Science and Technology Yantai University Yantai China
6. School of Computer and Information Science Hubei Engineering University Xiaogan China
7. College of Economics and Management Beijing University of Technology Beijing China