1. "Analyzing and Modeling Users In Multiple Social Platforms", [Slides] presented in following events/ institutions:
   • National Chiao Tung University, Taiwan, December 2019
   • Vietnam National University (VNC), Vietnam Hanoi, July 2019
   • Lee Kuan Yew Centre for Innovative Cities (LKYCIC), Singapore, May 2019
   • Southeast University, China Nanjing, May 2019
   • University of Electronic Science and Technology of China (UESTC), China Chengdu, May 2019
2. "Discovering Hidden Topical Hubs and Authorities in Online Social Networks", Ministry of Home Affairs Research Community-of-Practice (CoP) forum, Singapore, February 2019 [Slides]
3. “Smart Cities for Smart Citizens”, Singapore Polytechnic, Young Analytic Programme, Singapore, September 2018. [Slides]
4. “Resiliency Measures for Singapore Train Transportation Network”, Land Transport Authority (LTA), Singapore, June 2016.
5. “Measuring Centralities for Transportation Networks Beyond Structures”, DSO National Laboratories & Prime Minister's Office Singapore (PMO), Singapore, May 2016.
6. “Sentiment Diffusion and Friendship Maintenance in Online Social Networks”, DSO National Laboratories, Singapore May 2015.

Conference Program Committee

• 2020:
  • 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR)
  • 24th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD)
  • 14th International Conference on Web and Social Media (ICWSM)
  • 28th Conference on User Modeling, Adaptation and Personalization (UMAP)
  • 1st Conference of the Asia-Pacific Chapter of the Association for Computational Linguistics and the 9th International Joint Conference on Natural Language Processing (AACL-IJCNLP)
  • IEEE/ACM Interactional Conference on Advances in Social Network Analysis and Mining (ASONAM)
• 2019:
  • 42rd International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR)
  • 28th ACM International Conference on Information and Knowledge Management (CIKM)
  • 18th International Semantic Web Conference (ISWC)
  • 27th Conference on User Modeling, Adaptation and Personalization (UMAP)
  • IEEE/ACM Interactional Conference on Advances in Social Network Analysis and Mining (ASONAM)

Journal Reviewer