Invited Keynote Speech

* Australasian Computer Science Week (ACSW) 2021
* 31st Australasian Database Conference 2020, PhD School
* 30th Australasian Database Conference 2019, PhD School
* 28th Australasian Database Conference 2017, Research Excellence Forum
* 33rd National Database Conference of China (NDBC), 2016, Distinguished Young Scholar Talk
* 3rd Australia-China Database Workshop, 2014, in conjunct with VLDB'14

Associate Editor

* IEEE ICDE 2025
* EDBT 2026
* EDBT 2024
* ACM SIGMOD 2023
* Proceedings of the VLDB Endowment (PVLDB) (2022-2023)
* ACM Transactions on Spatial Algorithms and Systems (2022-2025)
* Data Science and Engineering Journal (2023-)
* Proceedings of the VLDB Endowment (PVLDB) (2020-2021)

Chair

* PC Co-Chair: ACM CIKM 2024 (Full Research Paper Track)
* PC Co-Chair: ACM WSDM 2023 (Demo Track)
* PC Co-Chair: 34th Australasian Database Conference 2023
* Technical Program Committee Co-Chair: [VLDB 2022 PhD Workshop](https://vldb.org/2022/?call-for-phd-workshop)
* Round Table Chair: VLDB 2021 ([17 round tables  organized on trending Database topics](http://vldb.org/2021/?program-schedule-roundtable))
* Technical Program Committee Co-Chair: ACM CIKM 2021 (Demo Track)
* Registration Chair: ACM SIGMOD 2021
* Curated Session Chair: ACM SIGMOD 2021 (Theme: Graph Data Management)
* WSDM Cup Chair: ACM WSDM 2019
* Awards Committee Chair: ACM CIKM 2017
* Technical Program Committee Co-Chair: ER 2018 (Demo Track)
* Technical Program Committee Co-Chair: APWeb 2016, 2018 (Demo Track)
* Technical Program Committee Co-Chair: DASFAA 2017 (Workshop Track), DASFAA 2023 (Demo Track)
* Technical Program Committee Co-Chair: ADMA 2017, 2018 (Demo track)
* Awards Committee Chair: ADMA 2016 (Tier-B)

Meta-reviewer/Senior Program Committee Member

* ACM ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD): 2021 (Research Track), 2022 (Research Track), 2022 (Applied Data Science Track)
* International Conference on Extending Database Technology (EDBT): 2024
* ACM International Conference on Web Search and Data Mining (WSDM): 2022
* ACM CIKM: 2021, 2022 (Research Track), 2023 (Research Track)

Technical Program Committee Member (recent)

Data Management Field:
* International Conference on Very Large Databases (VLDB): 2016-2018, 2020, 2022, 2024, 2025
* ACM International Conference on Management of Data (SIGMOD): 2018, 2021, 2022
* IEEE International Conference on Data Engineering (ICDE): 2016-2020, 2022, 2023
Data Mining Field:
* ACM ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD): 2019, 2020
* ACM International Conference on Web Search and Data Mining (WSDM): 2021
Information Retrieval Field:
* ACM International Conference on Information Retrieval (SIGIR): 2016-2022
* The Web Conference (WWW): 2018, 2019
* ACM CIKM: 2015-2020

Committee Member of Conference Ranking

* [CORE 2023 Conference Ranking Committee](http://portal.core.edu.au/conf-ranks/) (under FoR code 4605)