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I am an Associate Professor with the Department of Electronic and Information Engineering, Hong Kong Polytechnic University. My research interests include data privacy and security, mobile and spatiotemporal databases, and internet of things. Aside from research, I lead the ASTAPLE lab, the PolyU CTF Team, and serve as the program leader of Bachelor of Science (Honours) in Information Security.

Recent Blogs

  1. (New!) PhD students and 4 postdoc wanted (contract starting from July 1, 2020) (10/2/2019) - I have openings for 1~2 PhD students (2021 in-take), 2~3 research assistants, and 4 postdoc researchers in the field of machine learning, data security and privacy. The detailed requirements are as follows: Bachelor or Master degree in Computer Science, Software Engineering or Information Engineering in well-known universities. Preferences are given to applicants with some research … Continue reading (New!) PhD students and 4 postdoc wanted (contract starting from July 1, 2020)
  2. Two Papers Accepted in IEEE Intelligent Systems and CIKM 2020 (7/18/2020) - Our paper “Preserving User Privacy For Machine Learning: Local Differential Privacy or Federated Machine Learning? ” has been accepted for publish in IEEE Intelligent Systems. Our paper “OHEA: Secure Data Aggregation in Wireless Sensor Networks against Untrusted Sensors” has been accepted for publish in ACM CIKM 2020.
  3. IEEE Senior Membership (6/24/2020) - I was promoted to IEEE Senior Member.
  4. ITF Grant Awarded (5/8/2020) - I have been awarded an ITF grant from Hong Kong government with title ” vMPOS: Virtual Mobile POS using Smartphone and Near Field Communication” for HK$ 3,927,250 (2020-2023).
  5. ICDE 2020 Outstanding Reviewer Award (4/21/2020) - I received ICDE 2020 Outstanding Reviewer Award among six other reviewers out of 200+ TPC members.
  6. Two Papers Accepted in ICDE 2020 and ICDCS 2020 (3/13/2020) - Our paper “Towards Locally Differentially Private Generic Graph Metric Estimation” has been accepted for publish in IEEE ICDE 2020. Our paper “Cloud Password Shield: A Secure Cloud-based Firewall against DDoS on Authentication Servers” has been accepted for publish in IEEE ICDCS 2020.