Research Recognition
  • IEEE S&P Distinguished Paper Award, 2026 for the paper titled "Auditing Apple's DifferentialPrivacy.framework: Implementation Bugs, Misconfigurations, and Practical Risks"
  • ACM SIGKDD Best Student Paper Award, 2026 for the paper titled "SCOPE: Cost-Efficient Model Selection for Compound AI Systems under Quality Constraints"
  • ACM PODS Best Newcomer Award, 2026 for the paper titled "Near-Optimality for Single-Source Personalized PageRank"
  • ACM SIGMOD Test-of-Time Award, 2024 for our SIGMOD 2014 paper titled "PrivBayes: Private Data Release via Bayesian Networks"
  • IEEE Fellow, 2022
  • ACM SIGMOD Research Highlight Award, 2022
  • VLDB 2021 Best Research Paper Award for the paper titled "Scaling Attributed Network Embedding to Massive Graphs"
  • ACM Distinguished Member, 2021
  • Dean's Chair conferred by the National University of Singapore, 2021
  • 1st place in the 2020 NIST Differential Privacy Temporal Map Challenge
  • 3rd in the 2018 NIST Differential Privacy Synthetic Data Challenge
  • Invited paper in the TKDE special section on the Best Papers of ICDE 2015 for the paper titled "Network Motif Discovery: A GPU Approach"
  • 1st place in the ACM SIGSPATIAL Cup 2012
  • Invited paper in the TKDE special section on the Best Papers of ICDE 2010 for the paper titled "Differential Privacy via Wavelet Transforms"
  • Nanyang Assistant Professorship (NAP) conferred by Nanyang Technological University, 2010
  • Young Scientist Award in Physical/Mathematical Science conferred by the Hong Kong Institution of Science, 2009
  • ACM-HK Prof. Francis Chin Research Award conferred by the ACM Hong Kong Chapter, 2009
  • Outstanding Thesis Award conferred by the Faculty of Engineering, Chinese University of Hong Kong, 2009
Teaching Awards
  • Faculty Teaching Excellence Award conferred by the School of Computing, National University of Singapore, 2023
  • Faculty Teaching Excellence Award conferred by the School of Computing, National University of Singapore, 2022
  • Nanyang Education Award (School) conferred by the Nanyang Technological University, 2017
  • Most Popular Lecturer Award conferred by the School of Computer Engineering, Nanyang Technological University, 2011