Current Positions

| Doctoral Candidate at USC Annenberg School for Communication and Journalism
| Master’s Student at USC Thomas Lord Department of Computer Science
| Research Assistant at USC Information Sciences Institute

Publications

Choi, E. C., Young, L. E., & Ferrara, E. (2026, May). Overstating Attitudes, Ignoring Networks: LLM Biases in Simulating Misinformation Susceptibility. Proceedings of the 20th International AAAI Conference on Web and Social Media. Link
Ghafouri, B., Choi, E. C., Dey, P., & Ferrara, E. (2026, July). Measuring Human Preferences in RLHF is a Social Science Problem. Accepted in Forty-Third International Conference on Machine Learning. Preprint Link
Cao, L., Zeng, W., Wu, X., Choi, E. C., & Ferrara, E. (2026, May). Mapping Election Toxicity on Social Media across Issue, Ideology, and Psychosocial Dimensions. Workshop Proceedings of the 20th International AAAI Conference on Web and Social Media. Link
Zhou, S., Qiu, P., Blas Urrutia, L., Shen, D., Hsu, D., Choi, E., C., Adaduvora, N., & Ferrara, E. (2026, May). The trafficker’s pitch: Detecting deceptive recruitment in online job boards. Accepted in Workshop Proceedings of the 20th International AAAI Conference on Web and Social Media. Link
Choi, E. C., Cao, Q., Guan, Q., Peng, S., Chen, P.-Y., & Luceri, L. (2025, June). Mapping Labor Market Vulnerability in the Age of AI: Evidence from Job Postings and Patent Data. In Workshop Proceedings of the 19th International AAAI Conference on Web and Social Media. Link
Choi, E. C., Balasubramanian, A., Qi, J., & Ferrara, E. (2025, April). Limited effectiveness of LLM-generated data augmentation for COVID-19 misinformation stance detection. In Companion Proceedings of the ACM on Web Conference 2025. Link
Choi, E. C., & Ferrara, E. (2024, May). FACT-GPT: Fact-checking augmentation via claim matching with LLMs. In Companion Proceedings of the ACM on Web Conference 2024 (pp. 883-886). Link
Choi, E. C., & Ferrara, E. (2024, May). Automated claim matching with large language models: Empowering fact-checkers in the fight against misinformation. In Companion Proceedings of the ACM on Web Conference 2024 (pp. 1441-1449). Link
Choi, E. C., & Youn, S. (2022). The media policy debate over punitive damages for media reports: A discourse network analysis. Korean Journal of Journalism & Communication Studies, 66(2), 5–69. Link

Preprints

Chen, Z., Choi, E. C., Luo, Y., Wang, X., Xiao, Y., Yang, A., & Luceri, L. (2026). Growth First, Care Second? Tracing the Landscape of LLM Value Preferences in Everyday Dilemmas. arXiv preprint arXiv:2602.04456.Link
For additional ongoing and unpublished projects, see my updated Curriculum Vitae.

Media coverage

Researchers at Annenberg measure effects of AI innovation on labor market (Daily Trojan, Sep 16, 2025) Link
A Real-Time Look at How AI Is Reshaping Work (USC ISI, Jul 7, 2025) Link

Contact & Information