WEI ZHANG1,2, HAO-XIANG CHU1,2 AND HAO HAO1,2,+
1Key Laboratory of Computing Power Network and Information Security
Ministry of Education
Shandong Computer Science Center (National Supercomputer Center in Jinan)
Qilu University of Technology (Shandong Academy of Sciences)
Jinan, 250100 P.R. China
2Shandong Provincial Key Laboratory of Computer Networks
Shandong Fundamental Research Center for Computer Science
Jinan, 250100 P.R. China
E-mail: wzhang@qlu.edu.cn; 10431210725@stu.qlu.edu.cn; haoh@sdas.org+