🎓 M.S. in Data Science at Seoul National University (September 2025 ~ )
🎓 B.S. in Information System at Hanyang University
"Catch, then, O catch the transient hour; Improve each moment as it flies! - St. Jerome"
| 🥉 | 3rd Place (Encouragement Award) - Korea Meteorological Administration Weather Data Contest |
| 🥉 | 3rd Place (Chuncheon Mayor's Award) - Chuncheon Generative AI Competition |
| 🥇 | 1st Place - Korea Railroad Corporation Busan-Gyeongnam Headquarters in 2024 DIVE competition |
| 🥉 | 3rd Place (Busan Mayor's Award) - Busan Metropolitan City in App and Service Development category (2024 DIVE) |
| 🥈 | 2nd Place - Software Engineering Competition with LG X HYU |
| 🥇 | 1st Place - Namuthon (2023 GDSC X Alpaco Hackathon) |
Human Psychometric Questionnaires Mischaracterize LLM Psychology: Evidence from Generation Behavior
(Under Review), 2026
Woojung Song*, Dongmin Choi*, Yoonah Park, Jongwook Han, Eun-Ju Lee, Yohan Jo
*Co-first authors
Non-Collaborative User Simulators for Tool Agents
[ICLR] The Fourteenth International Conference on Learning Representations, 2026
Jeonghoon Shim, Woojung Song, Cheyon Jin, Seungwon Kook, Yohan Jo
Quantifying Data Contamination in Psychometric Evaluations of LLMs
[EACL Findings] Findings of the Association for Computational Linguistics: EACL, 2026
Jongwook Han*, Woojung Song*, Jonggeun Lee*, Yohan Jo
*Co-first authors
Value Portrait: Assessing Language Models' Values through Psychometrically and Ecologically Valid Items
[ACL] Proceedings of the 63rd Annual Meeting of the Association for Computational Linguistics, 2025
Jongwook Han*, Dongmin Choi*, Woojung Song*, Eun-Ju Lee, Yohan Jo
*Co-first authors
Don't Adapt Small Language Models for Tools; Adapt Tool Schemas to the Models
[ACL] Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics, 2026 (Under Review) (
Jonggeun Lee*, Woojung Song*, Jongwook Han*, Haesung Pyun, Yohan Jo
*Co-first authors
Psychometric Item Validation Using Virtual Respondents with Trait-Response Mediators
Transactions of the Association for Computational Linguistics (TACL), 2026
Sungjib Lim, Woojung Song, Eunju Lee, Yohan Jo
Interpretable Prediction of Private Brand Purchases by Pet Type in E-Commerce for Consumer Behavior Analysis Using Real-World Transaction Data
PeerJ Computer Science, 2025
Jaehyuk Lee*, Woojung Song*, Jina Kim, Eunchan Kim
*Co-first authors
B. F. Sword: Blank Inference System with Optimized RAG and Knowledge Distillation
PROCEEDINGS OF HCI KOREA 2025
Junseong Pyo, Hyejin Bae, Kitae Kwon, Jina Kim, Woojung Song, Yeonseong Shin
Enhancing the Security of AI Models through Parameter Encryption
Korea Computer Congress 2025
Dongwook Kim, Woojung Song
App. No: 10-2024-0109541 (Filed: August 16, 2024)
Studying about Aligning LLMs to human values
(2024.07 ~ 2025.08)
Providing English Questions and Analysis for Middle School Student
(2022.07 ~ 2025.08)
LG Electronics H&A Sound/Image Intelligence R&D Lab
(2024.03 ~ 2024.06)
KATUSA (SGT) at 3 BSB, 1 ABCT, 3ID
Camp Humphrey, South Korea (2020-2021)