Keynote speaker


  • Associate Editor: Electronic Commerce Research
  • Reviewer: Information Systems Research, Decision Support Systems, Information Retrieval Journal, ACM Transactions on Knowledge Discovery from Data , IEEE Transactions on Knowledge and Data Engineering, ACM Transactions on Information Systems, IEEE Transactions on Big Data, ACM Transactions on Intelligent Systems and Technology, IEEE Transactions on Multimedia, Social Network Analysis and Mining

Conferences and Workshops

  • Chair: International Workshop on Event Analytics using Social Media, 2015, 2017, 2018
  • Selected Program Committee or Senior Program Committee:
    • 2018: ICWSM, WWW, Socinfo, NAACL, IC2S2, SBP, CSWIN
    • 2017: ICWSM, WWW, Socinfo, IJCAI, WeB, ACL, WeB, CSWIN, WITS, SBP, NetSci
    • 2016: ICWSM, HT, ICHI, WITS, ICIHT
    • 2015: ICWSM, AAAI, IJCAI