• Associate editor, ACM Transactions on Information Systems (TOIS), since 2024
• Associate editor, Information Processing & Management (IPM), since 2023
• Program co-chair of NLPCC 2025
• Workshop co-chair of SIGIR 2025
• Sponsorship co-chair of The Web Conference 2024
• Tutorial chair of NLPCC 2023
• Web chair of EMNLP 2022
• Guest Editor, ACM Transactions on Information Systems (TOIS), 2020-2021
• Sponsorship chair of SIGIR 2021
• Sponsorship chair of NLPCC 2021
• General chair of YSSNLP 2021
• Publicity chair of WSDM 2018
• Proceedings chair of ECIR 2014
• Workshop co-organizer
  • Workshop on Human-Centered Recommender Systems (with The Web Conference 2025)
  • Workshop on Refined and Reliable Retrieval Augmented Generation (with SIGIR AP 2024)
  • Search futures workshop (with ECIR 2024-2025)
  • DAPA 2019 workshop (with WSDM 2019)
  • NLP4REC 2020 workshop (with WSDM 2020)
  • AIIS 2020 workshop (with SIGIR 2020)
• Senior program committee member/Area chair
  • SIGIR 2023-2025, KDD 2022-2025, ACL ARR 2024-2025, WSDM 2022-2025, The Web Conference 2021-2023, IJCAI 2021-2022