Current Activities
Book Series
- Advanced Information and Knowledge Processing, Springer, Editorial Board Member
- Web Information Systems Engineering and Internet Technologies, Springer, Editorial Board Member
Journals
- ACM/IMS Journal on Data Science, Senior Editor
- ACM Transactions on Internet Technologies, Associate Editor
- World Wide Web Journal, Editorial Board Member
- Frontiers of Computer Science, Editorial Board Member
- International Journal of Next-Generation Computing, Advisory Board Member
- Proceedings of VLDB Endowment, Associate Editor (Volumes 16 - 20)
Conference
- Organizer, LLM+Vector Data: Agentic RAG Edition at ICDE 2026
- Associate Editor, SIGMOD 2028 - ACM SIGMOD International Conference on Management of Data, Seoul, South Korea, 18-23 June 2028.
- Senior PC Member, EDBT 2027 - 30th International Conference on Extending Database Technology, Lille, France, 6-9 April 2027.
Board Memberships
- Advisory/Steering Committee Chair, Polytechnic University of Hong Kong Research Centre on Data Science and AI (2021-present)
- Academic Advisory Committee Member, Istanbul Technical University Artificial Intelligence and Data Science Application and Research Centre (2020-present)
- Advisory Board Member, Hong Kong University of Science and Technology, Department of Computer Science and Engineering (2020-present)
- Technical Advisory Board Member, Tsinghua University National Engineering Laboratory for Big Data Software (2017–present)
- Advisory Board Member, Hong Kong University of Science and Technology, Big Data Institute (2017-present)
Selected Past Activities
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ACM Books, Founding Editor-in-Chief (2013-2019) -
Morgan & Claypool Synthesis Lectures on Data Management, Founding Series Editor (2009-2013) 
Chair, ACM Special Interest Group on Management of Data (SIGMOD) (2001-2005)-
Trustee, VLDB Endowment (1996-2002) - Board Member, CS-Can/Info-Can (2017-2019)
- Proceedings of VLDB Endowment Advisory Board Member, (2014-2021)
- Technical Expert Advisory Committee Member, City University of Hong Kong, Multimedia Software Engineering Research Center (2014-1019)
- ACM Publications Board (2003--2017)
- International Advisory Board Member, National Institute of Informatics, Japan (2011-2018)
- Academic Advisory Committee Member, Hong Kong University of Science and Technology, School of Engineering (2009 - 2014 & 2017-2020)
- Advisory Board Chair, Hong Kong University of Science and Technology, Department of Computer Science and Engineering (2014-2017)
- Coordinating Editor-in-Chief, The VLDB Journal (2001-2005; Co-EIC: 1997-2001).
- Associate Editor, ACM Computing Surveys (2005-2009).
- Springer Book Series on Advanced Information & Knowledge Processing, Editorial Board Member (2002-2013)
- Information Technology and Management, Editorial Board Member (2000-2013)
- CRA Board of Directors, Canadian Association of Computer Science (CACS) Representative (2010-2013)