Curriculum Vitae

Education

2023–Present

POSTECH — Integrated M.S./Ph.D., Computer Science

Data Systems Lab (advisor: Prof. Wook-Shin Han)

2019–2023

POSTECH — B.S., Computer Science

Summa Cum Laude (GPA 4.11 / 4.30)

2016–2019

Hyundai Chungun High School

Publications

LILaC: Late Interacting in Layered Component Graph for Open-domain Multimodal Multihop Retrieval

Yun, J., Lee, D., Han, W. — EMNLP 2025, Suzhou, China.

HELIOS: Harmonizing Early Fusion, Late Fusion, and LLM Reasoning for Multi-Granular Table-Text Retrieval

Park, S., Yun, J., Lee, J., Han, W. — ACL 2025, Vienna, Austria.

KDD Cup Meta CRAG 2024 Technical Report: Three-Step Question-Answering Framework

Park, S., Seok, J., Lee, J., Yun, J., Lee, W. — KDD Cup Workshop on Retrieval-Augmented Generation, 2024.

ReCG: Bottom-Up JSON Schema Discovery Using a Repetitive Cluster-and-Generalize Framework

Yun, J., Tak, B., Han, W. — PVLDB 2024.

Work Experiences

Jun–Jul 2021

Full-Stack Developer — SK hynix Inc., Icheon, South Korea

  • Web interface manipulation via Selenium (Python).
  • Server development using Spring Boot (Java).
  • Frontend development using Node.js (JavaScript).

Honors & Awards

2024

KDD Cup 2024 — Team dRAGonRAnGers

  • 1st in comparison tests.
  • 1st in post-processing test.
2021

National Science & Technology Scholarship

2021

Global Leadership Program Scholarship (POSTECH CSE)

2020

Global Leadership Program Scholarship (POSTECH CSE)

Teaching Experiences

2024

Teaching Assistant — Design of Digital System (CSED273), POSTECH

2022

Teaching Assistant — Advanced Machine Learning, Samsung Electronics

Under Data Systems Lab program.

2021

Teaching Assistant — Data Processing, Distributed Database & Deep Learning, Samsung Electronics

Under Data Systems Lab program.

Skills

Languages
  • Korean (native)
  • English (fluent)
  • Japanese (fluent)
Coding
  • Python
  • C++
  • LaTeX