Lefei Li & Fei-Yue Wang 
Parallel Services [PDF ebook] 
Intelligent Systems of Digital Twins and Metaverses for Services Science

Dr. Lefei Li is an Associate Professor at the Department of Industrial Engineering, Tsinghua University (China). His research focuses on artificial transportation systems, Systems Engineering, and service management problems. He is the Assistant Director of the International Council on Systems Engineering (INCOSE) and an associate editor for several international journals. Dr. Feiyue Wang is the Director of the key laboratory of Complex Systems and Intelligence Science, Chinese Academy of Sciences (CAS), China. His current research focuses on methods and applications for parallel intelligence, social computing, and knowledge automation. He is a Fellow of INCOSE, IFAC, ASME, and AAAS.