Projects

Selected projects spanning hackathons, industry applications, and independent work. Highlighted entries represent notable outcomes.

Space Biology Knowledge Explorer

2025

1st Place, NASA Space Apps Challenge Seoul 2025 (Team '!DS'). An interactive knowledge exploration tool for space biology research data.

HackathonNASAKnowledge Exploration

LLM-Enhanced RAG System

2024

Enterprise-scale RAG system at Samsung Electronics. Developed PIR-based Query Decomposition (28% quality improvement, 43% zero-hit reduction), DeepSeek-R1 based relevance checking (98.1% stability), and evaluation framework applied to 3,000+ cases.

RAGLLMPrompt EngineeringIndustry

CORONAVI

2020

COVID-19 data visualization service during the early pandemic. Complete pipeline for data collection, preprocessing, and visualization of infection data including regional and global trends.

Data VisualizationPublic HealthWeb Development