Publications

[1] 2025
PlaceSim: An LLM-based Interactive Platform for Human Behavior Simulation in Physical Facilities Read more
Lee, S., Y. Yu, D. Shin, & R. Singh
Proceedings of the 34th ACM International Conference on Information and Knowledge Management (CIKM '25)
November 10-14, 2025, Seoul, Republic of Korea. (Forthcoming)
[2] 2022
Machine Learning based Optimal Location Modeling for Children's Smart Pedestrian Crosswalk: A Case Study of Changwon-si Read more
Lee, S., Y. Suh, S. Kim, J. Lee, & W. Yun
KIBIM Magazine, 12(2), 1-11. (indexed in the Korea Citation Index)
[3] 2021
The Impact of Healthfulness on Firm Performance: The Case of Food Companies in South Korea Read more
Suh, Y., S. Lee, S. Jung, D. Jung, & W. Yun
Journal of Product Research, 39(4), 57-65. (indexed in the Korea Citation Index)

Work in Progress

Current
An LLM-Driven Simulation Framework for Environmental Human Behavior Read more
with Y. Yoo & D. Shin
• Developed Person-Environment-Situation (P.E.S.) framework extending Lewin's behavioral theory for LLM-based spatial choice prediction
• Validated framework against 789K real usage records achieving 83% accuracy improvement over existing methods
• Implemented multi-agent system for Cold-Start prediction where historical behavioral data is unavailable
Current
Regulating AI-Generated Content: When Do Restrictions Spark or Stifle Community Dynamics Read more
with J. Shin, D. Shin, & W. Oh
• Examined AI content bans across 743 Reddit communities using difference-in-differences methodology
• Found opposing effects by community type: decreased participation in information-focused vs increased engagement in creativity-focused communities
• Established that AI restrictions function as authenticity signals in creative spaces
Ongoing
AI Summarization's Impact on Creator Multimodal Content Strategies Read more
with D. Shin
• Investigating creator adaptation to text-only AI summarization using Google Maps and Amazon platforms
• Analyzing how asymmetric AI processing influences multimodal content creation strategies

Conference Presentations

2025
Dynamics of Online WOM and Performance: The Differential Role of Social Media Platforms Read more
(equal contribution)
• ISMS Marketing Science Conference, July 2025
• AMA Winter Academic Conference, February 2022
2022
The Impact of e-Sports on Sport Clubs Online Brand Awareness and Home Game Attendance Read more
(first author)
• GSOK Forum, November 2022
2022
Does Regulation Work as Intended? Impact of COVID-19 on Online Game Consumption Read more
(first author)
• International Conference of Asian Marketing Associations, September 2022
2021
The Impact of Healthfulness and Front-of-Package (FOP) on Brand Performance Read more
(second author)
• AMA Marketing and Public Policy Conference, June 2021
• DMAC Conference, January 2021