About

Jaehyun Ha

I am a fourth-year CS PhD student at the Pohang University of Science and Technology (POSTECH) at South Korea. I am a member of Data Systems Lab. My advisor is Prof. Wook-Shin Han. My research interests lie in Database Systems, particularly in building LLM-powered AI databases and GPU-accelerated graph database systems.

Current Research Projects

• LLM-Supported AI Database Systems
• GPU-Accelerated Graph Database Systems

Teaching Experience

• AIGS540: Bigdata Processing (Fall 2024)
• CSED421: Database Systems (Spring 2022)

Education

• 2022.03 – Present: M.S./Ph.D. Integrated Program in Graduated School of Artifical Intelligence, POSTECH
  • Data Systems Lab
  • Advisor: Prof. Wook-Shin Han
• 2018.03 – 2022.03: B.S. in Computer Science and Engineering, POSTECH
  • GPA: 4.06 / 4.3
  • Class 2021: Graduated with the highest GPA in Computer Science Department
• 2016.03 – 2017.11: Ulsan Science High School

Hobbies

• Badminton
• Weightlifting
• Cooking
• Web novels

POSTECH Activities

• 2021.02 – 2021.12: Resident Advisor (5th Floor, Dormitory)
• 2021.02 – Present: Associate Member, YEHS (Young Engineers Honor Society)
• 2020.02 – 2021.02: Representative, Dormitory Building 5
• 2020.07 – 2020.08: Intern at SK Hynix
• 2019.02 – 2020.02: President, Badminton Club “Clear”
• 2019.02 – 2021.02: Member, Dormitory Student Council
• 2018.02 – 2021.12: Samsung Dream Scholarship Foundation Scholar