Conference Organizer

• Demonstration Co-Chair (with Grace Hui Yang)
  ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR), 2018
• Large Language Model Day Co-Chair (with Julia Kiseleva and Paul Bennett)
  ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR), 2024

Conference Senior Program Committee Member

• AAAI Conference on Artificial Intelligence (AAAI), 2021
• International World Wide Web Conference (WWW), 2023

Conference Program Committee Member/Paper Reviewer

• ACM International Conference on Web Search and Data Mining (WSDM), 2016 (Outstanding Reviewer Award), 2017, 2018, 2019 (Outstanding PC Member), 2020 (Outstanding PC Member), 2021, 2022 (Outstanding PC Member), 2024, 2025
• International World Wide Web Conference (WWW), 2018, 2019, 2020, 2021, 2023, 2024, 2025
• ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR), 2014, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
• ACM SIGIR International Conference on the Theory of Information Retrieval (ICTIR), 2017, 2018, 2025, 2026
• ACM International Conference on Information and Knowledge Management (CIKM), 2013, 2015, 2017, 2025
• American Medical Informatics Association Annual Symposium (AMIA), 2016, 2018, 2020
• Asia Information Retrieval Societies Conference (AIRS), 2016, 2017, 2018
• ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD), 2013, 2014
• International Joint Conference on Natural Language Processing (IJCNLP), 2013

Journal Article Reviewer

• Journal of Machine Learning Research (JMLR)
• IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI)
• ACM Transactions on Information Systems (TOIS)
• IEEE Transactions on Knowledge and Data Engineering (TKDE)
• Journal of the American Medical Informatics Association (JAMIA)
• Information Retrieval Journal
• Neurocomputing Journal