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: ICWSM, PAKDD, UMAP, ASONAM
• 2019: CIKM, SIGIR, ISWC, UMAP, ASONAM, DaMNet
• 2018: DaMNet, HUM, SNAA

Journal Reviewer