QIAO Xiuquan, male, received the Ph.D. degree in 2007 from School of Computer Science and Technol- ogy, Beijing University of Posts and Telecommunications (BUPT), Beijing, China. Now, he is an associate professor of BUPT and deputy director of Network Service Foundation Research Center of State Key Laboratory of Networking and Switching Technology. His main research interests include services comput- ing, mobile social networking services and Internet of Things service. E-mail: qiaoxq@bupt.edu.cn SU Jianchong, male, graduate student at the Statistics School, Renmin University of China. His research interests include statistics computing, data mining and social network analysis. ZHANG Jinsong, male, graduate student at the Statistics School, Renmin University of China. His research interests include statistics computing, data minina and social network analvsis. XU Wangli, female, Ph.D., associate professor at Statistics School, Renmin University of China. Her research interests include statistics computing and data analysis. WU Budan, female, faculty with Laboratory of Net- working and Switching Technology, Beijing University of Posts and Telecommunications. Her current research interests include service-oriented computing and business process management. XUE Sida, male, a Ph.D. candidate of Key Labo- ratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications (BUPT). His main research interests include services computing, services composition and mobile social networking service. CHEN Junliang, male, professor of Beijing University of Posts and Telecommunication. He was elected as a member of Academician of Chinese Academy of Sciences in 1991 and a member of Chinese Academy of Engineering in 1994. Currently, he is the head of the Technical Committee of Service Computing under China Computer Federation. Research interests include communication network and communication software, services computing.