• 2026 - Dagstuhl seminar on "Managing Vector Data for Retrieval Augmented Generation: Systems and Algorithms", Co-organizer.
• 2025 - Australasian Database Conference (ADC) PC Co-Chair.
• 2025 - KDD PhD Consortium Track Program Co-Chair.
• 2025 - KG+Responsible AI: Knowledge Graphs and their Applications in Advancing Responsible AI 2025 Workshop (Co-located with ESWC 2025).
• 2025 - ICDE Demonstration Paper Track Program Co-Chair.
• 2025 - LLM+Vector Data: Coupling of Large Language Models with Vector Data Management for Enhancing Data Science 2025 Workshop (Co-located with ICDE 2025).
• 2025 - LLM+Graph: 2nd International Workshop on Data Management Opportunities in Bringing LLMs with Graph Data 2025 Workshop (Co-located with VLDB 2025).
• 2025 - GTA3: 9th Workshop on Graph Techniques for Adversarial Activity Analytics (Co-located with ICDM 2025).
• 2024 - LLM+KG: Data Management Opportunities in Unifying Large Language Models+Knowledge Graphs 2024 Workshop (Co-located with VLDB 2024).
• 2024 - KG+Responsible AI: Knowledge Graphs and their Applications in Advancing Responsible AI 2024 Workshop (Co-located with CIKM 2024).
• 2024 - CIKM Short Paper Track Program Co-Chair.
• 2023 - ICDE TKDE Poster Track Program Co-Chair.
• 2015 - Big-O(Q): Big Graphs Online Querying 2015 Workshop (Co-located with VLDB 2015). [Link].

Editor

• 2024: WWW Journal Special Issue on Neuro-Symbolic Intelligence: LLM Enabled Knowledge Engineering.

Associate Editor

• 2019-2024: IEEE Transactions on Knowledge and Data Engineering (TKDE).
• 2023-present: ACM Transactions on Knowledge Discovery from Data (TKDD).

Proceedings Chair

• EDBT 2020.

Session Chair

• SIGMOD 2025, KDD 2025, SIGMOD 2024, VLDB 2024, ICDE 2024, VLDB 2023, CIKM 2022, IEEE Blockchain 2022, SIGMOD 2022, ICDE 2021.
• VLDB 2020, VLDB 2019, CIKM 2017, COMAD 2016, VLDB 2015.

Panel Member

• ICDE 2022.

Industry Panel Chair

• GFMI Conference 2019.

Judge

• The Global Undergraduate Awards (UA), the world s leading undergraduate awards programme 2020.

Senior Program Committee Member

• 2026 - KDD (Area Chair).
• 2025 - KDD (Area Chair).
• 2024 - ACM IKDD CODS-COMAD (The ACM India Joint International Conference on Data Science & Management of Data) (CODS-COMAD 2024 Research Track Distinguished Senior PC Member Award).
• 2018 - TheWebConf (Social Network Analysis and Graph Algorithms for the Web Track).

Program Committee Member

• 2026 - SIGMOD, VLDB.

• 2025 - SIGMOD (Distinguished Reviewer award), VLDB, KDD (Outstanding PC award).

• 2024 - SIGMOD (Distinguished PC award), VLDB, ICDE, CIKM Tutorial Track.

• 2023 - VLDB, SIGMOD Demo Track, GRADES-NDA 2023 (co-located with SIGMOD 2023).

• 2022 - SIGMOD, VLDB (Distinguished Reviewer Award), ICDE, GRADES-NDA 2022 (co-located with SIGMOD 2022).

• 2021 - VLDB, ICDE, SDM, AAAI, Workshop on Heterogeneous information network analysis and applications (HENA - co-located with KDD 2021).

• 2020 - SIGMOD, VLDB, SEAdata (co-located with EDBT 2020).

• 2019 - VLDB, TheWebConf, CIKM, IEEE DSAA.

• 2018 - SIGMOD Demo Track, ICDE Demo Track, ICDM, CIKM, EDBT.

• 2017 - WWW, ICDE Demo Track, CIKM, EDBT, DASFAA, Australasian Database Conference (ADC), International Workshop on Social Computing - IWSC (co-located with WWW 2017).

• 2016 - KDD, SIGMOD Demo Track, VLDB PhD Workshop Track, ICDM, WWW, CIKM, Australasian Database Conference (ADC), Network Data Analytics (co-located with SIGMOD 2016).

• 2015 - KDD, ICDM, CIKM, EDBT, MASS: Mobility Analytics from Spatial and Social Data (co-located with ICDM 2015).

• 2014 - SIGMOD Best Demo Selection Committee, Big Data in Motion and Big Data at Rest (co-located with IEEE Int. Conf. on Big Data 2014).

Journal Reviewer

• 2025 - IEEE Transactions on Knowledge and Data Engineering (TKDE), ACM Transactions on Database Systems (TODS), ACM Journal of Distributed Ledger Technologies: Research and Practice (DLT), ACM Journal of Data and Information Quality (JDIQ), IEEE Transactions on Big Data.

• 2024 - ACM Transactions on the Web (TWEB).

• 2023 - ACM SIGMOD Record, IEEE Transactions on Dependable and Secure Computing.

• 2022 - Nature Scientific Reports, ACM Transactions on the Web (TWEB), ACM Transactions on Knowledge Discovery from Data (TKDD), Communications of the ACM (CACM).

• 2021 - IEEE Transactions on Knowledge and Data Engineering (TKDE), Elsevier Journal of Information Science.

• 2020 - IEEE Transactions on Knowledge and Data Engineering (TKDE).

• 2019 - IEEE Transactions on Knowledge and Data Engineering (TKDE), Elsevier Journal of Information Systems (IS).

• 2018 - VLDB Journal.

• 2017 - IEEE Transactions on Knowledge and Data Engineering (TKDE).

• 2016 - IEEE Transactions on Knowledge and Data Engineering (TKDE), Elsevier Journal of Parallel and Distributed Computing (JPDC).

• 2015 - ACM Computing Surveys, IEEE Transactions on Knowledge and Data Engineering (TKDE), VLDB Journal, ACM Transactions on Knowledge Discovery from Data (TKDD), Knowledge and Inforation Systems (KAIS).

• 2014 - ACM Transactions on Database Systems (TODS), IEEE Transactions on Knowledge and Data Engineering (TKDE), ACM Transactions on Knowledge Discovery from Data (TKDD), VLDB Journal, Distributed and Parallel Databases (DAPD), Transactions on Information Systems (TOIS), Journal of Zhejiang University Science C (Computers and Electronics), SUSCOM (Elsevier).

• 2013 - Elsevier Journal of Knowledge Based Systems (KBS), Elsevier Journal of Information Systems (IS), IEEE Transactions on Knowledge and Data Engineering (TKDE), Fundamenta Informaticae, Journal of Zhejiang University Science C (Computers and Electronics), International Conference on Information Systems (ICIS).

Mentor for PhD Students

• CIKM 2024 PhD Symposium, SIGMOD 2024 Mentorship Program.

External Examiner for PhD Dissertation

• Aalto University, 2022.

Grant Reviewer

• Hong Kong GRF 2020.
• Sweden SPARK 2025.

Innovation Mentor

• Singapore Ministry of Education s Innovation Programme (IvP) 2022.