Other activities

Editorial board

• Journal of Graph Algorithms and Applications.

Conference organization

• Web presence chair, 27th International ACM Conference on Economics and Computation (EC 2026).
• Web presence chair, panel co-chair, 24th International World Wide Web Conference (WWW 2015).
• Local co-chair, publicity and web presence chair, 6th International Conference on Web Search and Data Mining (WSDM 2013).
• PC chair support, 45th IEEE Symposium on Foundations of Computer Science (FOCS 2004).

Program committee (co-)chair

• Program committee co-chair, 37th International ACM Conference on Knowledge and Information Management (CIKM 2026), Applied Research Track.
• Program committee co-chair, Network Science Society Conference (NetSci 2020), Computer Science Track.

Senior program committee member

• PAKDD 2026, TheWebConf 2026, CIKM 2025, PAKDD 2025, SDM 2025, WSDM 2025, PAKDD 2024, SDM 2024, WSDM 2024, SDM 2023, WSDM 2023, TheWebConf 2023, KDD 2022, SDM 2022, WSDM 2022, IJCAI 2021, IJCAI 2020, IJCAI 2019, WSDM 2019, WSDM 2018, IJCAI 2017, WSDM 2017, WSDM 2016, WSDM 2014, CIKM 2013, WSDM 2013

Program committee member

• Over 100 conferences on AI, data mining, information retrieval. and databases.