His research interests include the Internet of Things, Blockchains, Big Data Analytics. He has co-authored/co-edited four monograph books and published more than 200 peer-reviewed papers in top-tier journals and conferences. He has 7 ESI highly-cited papers by Clarivate Analytics, 1 IEEE Outstanding Paper Award conferred by IEEE CPSCom 2019, and 1 Best Paper Award conferred by EAI CloudComp 2020, the BOC Excellent Research Award of Macau University of Science and Technology in 2015. He was also included in the world’s top 2% scientists for career-long impact by Stanford University, USA (by John Ioannidis of Stanford University source). He is also the holder of 1 U.S. patent and 1 Australia innovation patent.