STC (spatial-temporal crowdsourcing) group is a database group that explores research related to spatial-temporal information and general crowdsourcing, from algorithms design to applications development. Our research is motivated by new technologies and new applications. We are part of the Department of Computer Science & Engineering at the The Hong Kong University of Science and Technology.


Research Themes




Graduate Students

  • LI, Maocheng

    Ph.D Student

  • WANG, Jiachuan

    Ph.D Student

  • GONG, Zengyang

    Ph.D Student



  • CHEN, Zhao Ph.D., 2020
  • ZHENG, Libin (Robin) Ph.D., 2019. Now Associate Professor at Sun Yat-sen University
  • CHENG, Peng Ph.D., 2017. Now Researcher (Associate Professor) at East China Normal University
  • TONG, Yongxin Ph.D., 2014. Now Professor at Beihang University
  • CAO, Chen Ph.D., 2014.
  • FU, Rui M.Phil., 2015.
  • XIA, Leihao M.Phil., 2015.
  • ZHAO, Ziyuan M.Phil., 2015. Now at WeChat (Tencent)
  • TU, Jiayang (Fiona) M.Phil., 2018. Now at Lenovo HK
  • YU, Manli M.Phil., 2021.


Our work is supported by the Research Grants Council (RGC), the National Natural Science Foundation of China (NSFC), and Micorsoft.