Teaching & Service
Teaching
- SC3020Database System Principles Undergraduate2019 – present
- AI6128Urban Computing Postgraduate2020 – present
- SD6103Data Systems Postgraduate2022 – present
Talks
- From Billions of Embeddings to Trillions of Weights: A Quantization Story Alibaba; Global Software Technology Summit, Asia-Pacific Session2026
- High-Dimensional Vector Quantization: General Framework, Recent Advances, and Future Directions CCDS Research Fest (2026); Alibaba Cloud (2025); International Workshop on Frontiers of Data Engineering and AI (2025)2025 – 2026
- RaBitQ: Quantizing High-Dimensional Vectors with a Theoretical Error Bound for Approximate Nearest Neighbor Search Huawei Singapore Harmony Software Technology Workshop; Huawei Global Software Technology Summit & Sentosa Summit2024
- Nearest Neighbor Search on High-Dimensional Vector Data Keynote, TheWebConf'24 Workshop; Huawei Sentosa Software Technology Summit (2023)2023 – 2024
- RL4SpatialDB: On Leveraging Reinforcement Learning for Spatial Data Management Keynote, MUST 2023; Microsoft Research Lab – Redmond; MCSCT 2023 (Macau)2023
- Dense Subgraph Mining: Applications, Problems, and Algorithms KDD.SG (2023); WeBank (2022)2022 – 2023
Awards
- CCDS Research Award (Young Faculty) College of Computing and Data Science, NTU2026
- Best Demo Runner-Up Award ICDE 20242024
- Fulbright-RGC Hong Kong Research Scholar Award Research Grants Council, Hong Kong2014
- Prof. Francis Chin Research Award (Best Research Award) ACM Hong Kong2013
- Overseas Research Award HKUST2013
- Professor Samuel Chanson Teaching Assistant Award HKUST2012
- Champion, 6th Postgraduate Paper Contest IEEE Hong Kong Computational Intelligence Chapter2012
Professional service
Editorial
- Associate Editor, Data & Knowledge Engineering (Elsevier)2023 – present
Senior program committee
- Senior PC Member, ICDE 20272027
- Senior PC Member, DASFAA 20272027
- Senior PC Member, WWW 20232023
Conference and workshop organisation
- Workshop Co-Chair, SIGMOD 20262026
- Workshop Co-Chair, PAKDD 20262026
- Program Co-Chair, LLM+Spatial Workshop @ VLDB 20252025
- Registration Chair, SSTD 20252025
- Industry and Application Track Co-Chair, MDM 20242024
- Finance Co-Chair, MDM 20232023
- PhD Symposium Co-Chair, ICDE 20222022
- Demo Track Co-Chair, MDM 20212021
- Publicity Co-Chair, SSTD 20212021
- Program Co-Chair, Workshop on Data Science for Fake News @ PAKDD 20202020
Program committee member
- 2027SIGMOD (LLFR Reviewer), VLDB, WSDM
- 2026SIGMOD, VLDB, ICDE, ACM MM, PAKDD
- 2025SIGMOD, VLDB, ICDE, NeurIPS, SSTD, MDM (industry)
- 2024SIGMOD, VLDB, ICDE, WWW, CIKM, SDM, PAKDD
- 2023SIGMOD, ICDE, KDD, SIGSPATIAL, SSTD, MDM (industry)
- 2022SIGMOD (demo), VLDB, ICDE, KDD, CIKM, AAAI, DASFAA, PAKDD
- 2021ICDE, CIKM, AAAI, SDM, BigData, DASFAA, PAKDD, SSTD
- 2020CIKM (short), IJCAI-PRICAI, BigData, DASFAA, PAKDD
- 2019CIKM, BigData, DASFAA, SSTD
- 2018CIKM, ICDM, BigData, APWeb-WAIM
- 2017CIKM, ICDM, SSTD
Journal reviewer (2011 – present)
TKDE, TODS, VLDBJ, TKDD, DAMI, DKE, TBD, TCSS, FOCS, TOMM, TIST, TOC, TOIP, TOII, KAIS, JGIS, GeoInformatica