- VarDrop: Enhancing Training Efficiency by Reducing Variate Redundancy in Periodic Time Series Forecasting
- Mitigating Source Label Dependency in Time-Series Domain Adaptation under Label Shifts
- RA-TTA: Retrieval-Augmented Test-Time Adaptation for Vision-Language Models
- Large Language Models are Zero-Shot Point-of-Interest Recommenders
- Multi-View POI-level Cellular Trajectory Reconstruction for Digital Contact Tracing of Infectious Diseases
- Hi-COVIDNet: Deep Learning Approach to Predict Inbound COVID-19 Patients and Case Study in South Korea
- Robust Sequential Variational Autoencoder for Multivariate Time Series Anomaly Detection
Under Review / On-going:
- Universal Time-Series Representation Learning: A Survey
- Channel-wise Retrieval for Multivariate Time Series Forecasting
- Tensor Product Representation for Multivariate Time Series Forecasting
- Boosting LLM Few-Shot Recommendation Ranking via LLM-Based Candidate Generation
Research Experience
AI Scientist, LG AI Research, Full-time, Nov. 2024 – Present, Research on explainable time-series analysis with RAG
PhD Intern, LG AI Research, Internship, Aug. 2024 – Nov. 2024, Research on time-series forecasting
Graduate Student Researcher, KAIST, Full-time, Feb. 2018 – Aug. 2024, Research on time-series analysis and large-language models, Lab representative (Apr 2022 - Jun 2024)
AI Instructor, Elice, Freelance, Jul. 2019 – Sep. 2023, Delivered 250+ hours of AI instruction at Samsung Electronics, including executive training
AI Researcher, Korea Telecom (KT), Contract, May. 2020 – Sep. 2020, Developed a predictive model for the self-diagnosis of infectious diseases using cellular trajectories
Education
Ph.D., School of Computing @ KAIST, Mar. 2020 – Aug. 2024, Advisor: Jae-Gil Lee
M.S., Graduate School of Data Science @ KAIST, Mar. 2018 – Feb. 2020, Advisor: Jae-Gil Lee
B.S., School of Global Entrepreneurship and ICT @ Handong Global University, Feb. 2012 – Feb. 2018, Majors: ICT Convergence and Management, Graduated Summa Cum Laude
Background
Research Interests: Time-series analysis, large language models
Fields: Artificial Intelligence, Data Mining
Brief Introduction: Currently an AI Scientist at LG AI Research, Ph.D. from the School of Computing at KAIST.