Publications

An asterisk (*) indicates equal contribution and exchangeable author order.

Journal Articles

• A Framework to Assess the Persuasion Risks Large Language Model Chatbots Pose to Democratic Societies
  Zhongren Chen, Joshua Kalla, Quan Le, Shinpei Nakamura-Sakai, Jasjeet Sekhon, Ruixiao Wang (authors listed in alphabetical order)
  Journal of Experimental Political Science, 2026, First View, pp. 1–14

• Usability and adoption in a randomized trial of GutGPT, a GenAI tool for gastrointestinal bleeding
  Sunny Chung, Mauro Giuffrè, Niroop Rajashekar, Yuan Pu, Yeo Eun Shin, Simone Kresevic, Colleen Chan, Shinpei Nakamura-Sakai, Kisung You, Theo Saarinen, Allen Hsiao, Ambrose H. Wong, Leigh Evans, Terika McCall, Rene F. Kizilcec, Jasjeet Sekhon, Loren Laine, Dennis L. Shung
  npj Digital Medicine, 2025

• Validation of an Electronic Health Record–Based Machine Learning Model Compared With Clinical Risk Scores for Gastrointestinal Bleeding
  Dennis L. Shung, Colleen E. Chan, Kisung You, Shinpei Nakamura, Theo Saarinen, Neil S. Zheng, Michael Simonov, Darrick K. Li, Cynthia Tsay, Yuki Kawamura, Matthew Shen, Allen Hsiao, Jasjeet Sekhon, Loren Laine
  Gastroenterology, 2024

• COVID-19 Vaccine Perceptions in the Initial Phases of US Vaccine Roll-out: An Observational Study on Reddit
  N. Kumar, I. Corpus, M. Hans, N. Harle, N. Yang, C. McDonald, S. Nakamura-Sakai, et al.
  BMC Public Health, 2022

• News Events and Their Relationship With US Vape Sales: An Interrupted Time Series Analysis
  Kamila Janmohamed, Shinpei Nakamura-Sakai, Abdul-Nasah Soale, Laura Forastiere, Navin Kumar
  BMC Public Health, 2021

• Longitudinal Analysis of the Determinants of Life Expectancy and Healthy Life Expectancy: A Causal Approach
  Rohan Aanegola, Shinpei Nakamura-Sakai, Navin Kumar
  Healthcare Analytics, 2021

Conference Papers

• CLOUD-CG: Clustering on Longitudinal Causal Graphs
  Shinpei Nakamura-Sakai*, Yuhe Gao*, Chi-Hui Yen, Christoph Scheidiger, Jasjeet Sekhon
  • AAAI 2025, AI for Social Impact: Bridging Innovations in Finance, Social Media, and Crime Prevention — Oral
  • AAAI 2025, Artificial Intelligence with Causal Techniques — Oral, top 8 submission
• Enhancing Collaborative Medical Outcomes through Private Synthetic Hypercube Augmentation: PriSHA
  Shinpei Nakamura-Sakai, Dennis Shung, Jasjeet Sekhon
  • Conference on Health, Inference, and Learning (CHIL), 2024, PMLR
  • AAAI Spring Symposium on Clinical Foundation Models, 2024, Traditional Track — Spotlight, top 10 submission
• Supervised Generative Optimization Approach for Tabular Data
  Shinpei Nakamura-Sakai*, Fadi Hamad*, Saheed Obitayo, Vamsi K. Potluru
  ACM International Conference on AI in Finance (ICAIF), 2023 — Oral, top 20.5%
  • Winner, 2nd Place — JPMorgan Chase Global Hackathon
  • Also filed as US patent application 20250124332A1

Working Papers and Preprints

• Estimating the age conditioned average treatment effects curves: An application on assessing load-management strategies in the NBA
  Shinpei Nakamura-Sakai, Laura Forastiere, Brian Macdonald
  arXiv preprint, 2024
  • Winner, Best Poster Award — New England Symposium on Statistics in Sports (NESSIS), 2023. Covered by Yale Statistics news.
  • Winner, Best Poster Award — UConn Sports Analytics Symposium (UCSAS), 2022. Covered by Amstat News.
• Estimating Causal Effects of Interventions Altering Social Connectivity Patterns under Network Interference
  Shinpei Nakamura-Sakai, Laura Forastiere
  Working paper, 2023 — poster PDF
  • Winner, Statistical Significance Award — Joint Statistical Meetings (JSM), 2023. Covered by Amstat News (announcement, follow-up) and Yale Statistics news.