Huiwei WANG received his Ph.D. in Computer Science from Chongqing University, China, in 2014. Now, he is Associate Professor in Southwest University, China. He was Postdoctoral Research Associate with Texas A&M University at Qatar, from 2014 to 2016, and Research Fellow with the University of New South Wales, Australia, from 2019 to 2020. Huaqing LI received his Ph.D. in Computer Science from Chongqing University, China, in 2013. Now, he is Professor in Southwest University, China. He was Postdoctoral Research Associate with the University of Sydney, Australia, from 2014 to 2015, and Research Fellow with Nanyang Technological University, Singapore from, 2015 to 2016. Bo ZHOU received his Ph.D. in Applied Mathematics from Southwest University, China, in 2016. Now, he is Associate professor in Chongqing Jiaotong University, China.