Curriculum Vitae

Education

2023–Present

POSTECH — Ph.D. in Artificial Intelligence

Graduate School of Artificial Intelligence (advisor: Prof. Wook-Shin Han)

GPA: 4.27 / 4.30

2019–2023

POSTECH — B.S. in Electrical Engineering

GPA: 4.25 / 4.30 (Salutatorian, rank: 2/256)

Perfect GPA (4.3/4.3) in major-specific courses

Highest GPA ever in the Department of Electrical Engineering

2017–2019

Daegu Il Science High School (DG1S)

Publications

SAFE: Schema-Driven Approximate Distance Join for Efficient Knowledge Graph Querying

Lee, S., Park, S., Han, W. — EMNLP main track, Suzhou, China, November 2025.

ASM: Harmonizing Autoregressive Model, Sampling, and Multi-dimensional Statistics Merging for Cardinality Estimation

Kim, K., Lee, S., Kim, I., Han, W. — ACM SIGMOD 2024.

ASM in Action: Fast and Practical Learned Cardinality Estimation

Lee, S., Kim, K., Han, W. — ACM SIGMOD Demonstration Proposals, 2024.

Research Experiences

Aug 2022–Feb 2023

Research Intern — POSTECH Database Systems Laboratory

Advisor: Prof. Wook-Shin Han

  • Designed and implemented algorithm for sampling-based cardinality estimation from sub-plans

Honors & Awards

Jul 2023

SBS Cultural Foundation Scholarship

95,000,000 Won (≈ 75,000 USD)

Scholarship awarded to students with a commendable academic record and exemplary conduct

May 2023

Postechian Fellowship

3,000,000 Won (≈ 2,300 USD)

Awarded to the student who achieved the highest grades and entered the POSTECH GSAI

Apr 2023

Kwanjeong Scholarship (Declined)

22,000,000 Won (≈ 17,000 USD)

Awarded but declined in favor of SBS Cultural Foundation Scholarship

Feb 2023

Awards of Proud Postechian Member with the Highest Honor

Outstanding extracurricular achievement

Feb 2023

Newcomb Lim Ki-Hong Design Project Best Award

Outstanding research results in a design challenge (POSTECH EE)

Sep 2022

KEC Science Education Foundation Scholarship

3,000,000 Won (≈ 2,300 USD)

Feb 2022

Awards of Korea Military Academy Principal

Outstanding research results in ROND program (Benchmarking of Israel's Talpiot)

Aug 2021

National Science and Technology Scholarship

Outstanding academic ability in science and engineering

Teaching Experiences

Sep 2025–Present

Course Assistant — Deep Learning (AIGS538)

POSTECH, Graduate School of Artificial Intelligence

Feb–Jun 2023

Course Assistant — Database Management Systems (CSED421)

POSTECH, Department of Computer Science & Engineering

Feb 2020–Jun 2022

Student Mentoring Program (SMP) Tutor

Teaching Calculus and Linear Algebra

Aug 2019

Voluntary Teaching — POSTECH Volunteering Club

Physics teacher for underprivileged middle school students

Skills Summary

Languages
  • Korean (native)
  • English (fluent)
Programming
  • Python, C/C++, SQL, Bash
Frameworks
  • TensorFlow, PyTorch, Flutter
Tools
  • Docker, GIT, PostgreSQL, MySQL
Platforms
  • Linux, Mac, Windows, Arduino, Raspberry Pi

Extracurricular Activities

Feb 2019–Feb 2023

CLEAR — Badminton Club (POSTECH)

Served as club secretary from 2019 to 2022

Sep 2019–Feb 2022

MARCUS — Mathematics Club (POSTECH)

Committee Member

Feb–Dec 2021

Student Advisor (POSTECH)

Served as a mentor for freshmen facilitating their transition to college life

Mar–Dec 2017

Imagination and Development (InD) Program

Daegu Il Science High School — Group idea development festival

Won bronze medal