Dr. Peng Cheng received his BS degree and MA degree in Software Engineering in 2012 and 2014, from Xi'an Jiaotong University, China, and the PhD degree in Computer Science and Engineering from the Hong Kong University of Science and Technology  (HKUST) in 2017. He was a Junior Researcher in the School of Software Engineering at East China Normal University. He is now a Researcher at the School of Computer Science and Technology at Tongji University. His research interests include Spatial Intelligence, Vector Databases, Spatial Crowdsourcing and Ridesharing.