Research

Publications

2026

• Sun, Y., & Kejriwal, M. (2026). Structural modeling of campaign finance decisions in the U.S. House of Representatives. PLOS Complex Systems, 3(5), e0000104.
• Sun, Y., He, D., & Kejriwal, M. (2026). Examining persistent inequities in financial complaint resolution for older Americans and veterans in the United States. PNAS Nexus, 5(4), pgag086.

2025

• Sun, Y. (2025). Scalable Estimation of Exponential Random Graph Models on Large Networks. Companion Proceedings of the ACM on Web Conference 2025 (pp. 721-724).
• Gawin, C., Sun, Y., & Kejriwal, M. (2025). Navigating Semantic Relations: Challenges for Language Models in Abstract Common-Sense Reasoning. Companion Proceedings of the ACM on Web Conference 2025 (pp. 971-975).
• Sun, Y., Shen, K., & Kejriwal, M. (2025). Backlash or reinforcement? Donald Trump’s 2017 inauguration and shifting climate beliefs in the United States. NPJ Climate Action, 4, Article 26.

2024

• Sun, Y., & Kejriwal, M. (2024). A study of firm-switching of inventors in Big Tech using public patent data. In Social Network Analysis and Mining Applications in Healthcare and Anomaly Detection.

2023

• Sun, Y., & Kejriwal, M. (2023). A structural study of Big Tech firm-switching of inventors in the post-recession era. Proceedings of the International Conference on Advances in Social Networks Analysis and Mining 2023 (pp. 670-677).
• Sun, Y., & Kejriwal, M. (2023). DeepGraph: Multi-Cluster Interactive Visualization of Complex Networks in a Learned Representation Space. Proceedings of the International Conference on Advances in Social Networks Analysis and Mining 2023 (pp. 427-430).

Preprints and Manuscripts

• Sun, Y., & Kejriwal, M. (2026). Network Structure and Market Concentration of Commercial Sex Work in the Caribbean. Under review.
• Patil, V., Bacha, S. V., Yamani, R., Sun, Y., & Kejriwal, M. (2026). Beyond the Star Rating: A Scalable Framework for Aspect-Based Sentiment Analysis Using LLMs and Text Classification. arXiv preprint arXiv:2602.21082. Under review at Journal of Computational Social Science.
• Sun, Y., & Kejriwal, M. (2025). Discovery of Theoretically Grounded Exponential Random Graph Models for Complex Networks with Large Language Models. Under review at The Web Conference (TheWebConf) 2026.
• Sun, Y., & Kejriwal, M. (2025). Mapping the Growth and Geography of Online Sex Work in Southeast Asia. Under review at Humanities and Social Sciences Communications.
• Sun, Y., & Kejriwal, M. (2025). Modeling Complex Associations between Climate Change Policies and Sociodemographic Factors using Conditional Inference Trees. Under review at Humanities and Social Sciences Communications.

Presentations

• Poster Presentation: “Mapping Collaboration in AI-Driven Firms: A Co-Inventor Dataset (2020-2025)”, International Conference of the Computational Social Science Society of the Americas (CSSSA), Washington, D.C., Nov. 6-9, 2025.
• Poster Presentation: “Reviewer Rating Variability, Reviewer Confidence, and Language Model-Based Sentiment Prediction of Machine Learning Conference Submissions”, 10th International Congress on Peer Review and Scientific Publication, Chicago, IL, Sep. 3-5, 2025.
• Oral Presentation: “Collaboration Diversity and Paper Success: A Network Analysis of Co-authorship in a Major Machine Learning Conference”, INSNA Sunbelt Conference, Paris, France, Jun. 23-29, 2025.
• Poster Presentation: “Scalable Estimation of Exponential Random Graph Models on Large Networks”, The Web Conference (TheWebConf), May 13, 2025.
• Oral Presentation: “Navigating Semantic Relations: Challenges for Large Language Models in Abstract Common-Sense Reasoning”, The Web Conference (TheWebConf), May 13, 2025.
• Oral Presentation: “AI Reveals Systemic Financial Inequities: A Study of CFPB Complaints for Older Adults and Veterans”, USC ShowCAIS Symposium, Apr. 2025.
• Oral Presentation: “Understanding the Drivers of Human Trafficking Using Massive Multi-Partite Network Modeling and Analytics”, USC Cloudwalkers Premiere, Mar. 2025.
• Poster Presentation: “Modelling campaign finance data using network science to map structures and flows of influence”, Southern California Applied Mathematics Symposium (SOCAMS), Apr. 22, 2023.
• Oral Presentation: “A structural study of Big Tech firm-switching of inventors in the post-recession era”, Advances in Social Networks Analysis and Mining (ASONAM), Nov. 7, 2023.
• Oral Presentation: “DeepGraph: Multi-Cluster Interactive Visualization of Complex Networks in a Learned Representation Space”, Advances in Social Networks Analysis and Mining (ASONAM), Nov. 6, 2023.