USA

  1. Senior Technical Program Comittee of AAAI 2022.
  2. Associate Editor of Knowledge and Information Systems (KAIS) 2022.
  3. Technical Program Committee (Reviewer) of EMNLP 2021.
  4. Technical Program Committee (Reviewer) of ICML 2021.
  5. Technical Program Committee (Reviewer) of ACL 2021.
  6. Technical Program Committee of AAAI 2021.
  7. Technical Program Committee (Reviewer) of EMNLP 2020.
  8. Technical Program Committee (Reviewer) of ICML 2020.
  9. Technical Program Committee (Reviewer) of ACL 2020.
  10. Technical Program Committee of AAAI 2020.
  11. Technical Program Committee of IEEE ICDM 2019.
  12. Gave a Tutorial Talk "Deep Learning for the Web" at the WWW 2015.
  13. Organizer of the International Workshop on Open Big Data Foundation at IEEE ICDE 2015.
  14. Technical Program Committee of ACM SIGMETRICS 2015.
  15. Editor in Chief, Korea Information Processing Society Review 2014-2015.
  16. Program Committee Member of WWW 2014 Demo Track.
  17. Program Committee Member of WWW 2013 Demo Track.
  18. Program Committee Member of ACM KDD workshop, Mining Data Semantics in Information Networks, 2012.
  19. Organizer of the 2012 Summer School on Social Network Analysis, KAIST, Korea, Aug 2012.
  20. Organizer of the 2012 International Social Web Workshop, Ramada hotel Jeju, Korea, Aug 2012.
  21. Program Committee Member of 22nd Joint Conference on Communications and Information, 2012.
  22. Organizer of the 2011 Summer School on Social Network Analysis, Daejeon, Korea, Aug 2011.
  23. Program Committee Member of IEEE Globecom 2010.
  24. Program Committee Member of PSIVT 2010.
  25. Organizer of the Winter School on Algorithms, Jochiwon, Korea, Jan 2010.

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