Authors
School of Management Engineering, Zhengzhou University of Aeronautics, Henan Province, China
International Center for Informatics Research, Beijing Jiaotong University, Beijing, China
Daqing Gong
International Center for Informatics Research, Beijing Jiaotong University, Beijing, China
Xiaoxia Zhao
International Center for Informatics Research, Beijing Jiaotong University, Beijing, China
Shijiazhuang Posts and Telecommunications Technical College, China
Xiaojie Yan
International Center for Informatics Research, Beijing Jiaotong University, Beijing, China