University Service

• Director of Research Postgraduate Studies, Department of Computing, PolyU, since September 2026.
• Associate Programme Director, Doctor of Artificial Intelligence, since December 2025.
• Departmental Research Committee, 2023/24–2025/26.
• Member, Smart City Research Institute, PolyU, since 2024.
• Panel Judge, Faculty of Engineering Three Minute Thesis (3MT) Competition, June 2024.
• DFinTech Programme Committee member, 2021.

Conference Leadership and Editorial Service

• Workshop Chair, PAKDD 2026.
• Area Chair, Research Track, KDD 2026.
• Associate Editor, DASFAA 2026.
• Production Chair, IEEE Data Engineering Bulletin, March 2025–present.
• Area Chair, Datasets and Benchmarks Track, KDD 2025.
• PC Co-chair, “LLM-empowered Urban Informatics” special track, GSCS & ICUI 2025.
• Track PC Chair, ICPADS 2025.
• Best Demo Award Committee Member, IEEE ICDE 2022.
• Session Chair, IEEE ICDE 2025; VLDB 2023 and 2024; SSTD 2021.

Conference Programme Committees and Reviewing

• SIGMOD: 2027; VLDB: 2022–2026; ICDE: 2022 (research and demo tracks), 2024–2026.
• ICML: 2024, 2025; NeurIPS: 2023, 2025; ICLR: 2024, 2025.
• KDD: 2022–2026; IJCAI: 2020–2024; CIKM: 2019, 2021–2023; EDBT: 2022–2024.
• AAAI: 2021, 2022, 2024; WWW: 2022; PAKDD: 2020–2022.

Journal Reviewing

• The VLDB Journal
• IEEE Transactions on Knowledge and Data Engineering
• IEEE Transactions on Big Data
• World Wide Web
• Information Sciences

Invited Talks and Panels

• “Enhancing LLM Trust and Efficiency: From Confidence Calibration to Optimized Reasoning.” Invited talk, 4th Macau Symposium on Data Science, August 2026.
• Invited speaker and panelist, PhD Symposium, IEEE ICDE 2025.
• “Effective Network Embedding Methods on Large-scale Graphs.” Invited talk, Macao Conference on Smart City Technologies, 2022.
• Invited speaker and panelist, Roundtable on Graph Neural Networks, IEEE ICDE 2022.