1. School of Management Engineering, Qingdao University of Technology, Qingdao, China
2. School of Engineering & Technology, Central Queensland University, Brisbane, Australia
3. Faculty of Society and Design, Bond University, Robina, Queensland 4226, Australia
4. College of Computing, Georgia Institute of Technology, Atlanta, GA, USA
5. School of Civil and Environmental Engineering and School of Building Construction, Georgia Institute of Technology, Atlanta, GA, USA