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Hyungsoo Jung (정형수: 丁亨秀), Ph.D. Professor Graduate School of Data Science,   Department of Computer Science and Engineering (affiliated),   Seoul National University    Email : hyungsoo dot jung @ snu dot ac dot kr C.V. / Google scholar

Research Interests

Data lakehouse systems for AI/ML
Standalone DBMSs for hybrid transactional and analytical (HTAP) processing
Database-oriented operating systems (DBOS) for large-scale data analytics

Education

• Mar 2004 - Aug 2009,   Ph.D. in Computer Science, Seoul National University (advisor: Prof. Heon Y. Yeom)
  
  • Thesis topic: End-to-end Internet congestion control for high bandwidth-delay product networks
• Mar 2002 - Feb 2004,   M.S. in Computer Science, Seoul National University (advisor: Prof. Heon Y. Yeom)
  • Thesis topic: Soft real-time operating systems
• Mar 1995 - Feb 2002,   B.S. in Mechanical Engineering, Korea University
  • Mandatory military service: Dec 1998 - Feb 2001 (USAG Humphreys)

Work Experiences

• Mar 2024 – present, Professor at the Graduate School of Data Science , Seoul National University, Seoul, South Korea
• Sep 2015 – Feb 2024, Professor at Dept. of Computer Science, Hanyang University, Seoul, South Korea
• Oct 2012 – Aug 2015, Sr. SDE, Amazon Aurora Database, Seattle, USA
• Apr 2012 – Sep 2012, Researcher (under Prof. Gernot Heiser), Trustworthy Systems Group, UNSW, Sydney, Australia
• Apr 2010 – Apr 2012, Postdoctoral researcher (under Prof. Alan Fekete), The University of Sydney, Sydney, Australia
• Jun 2006 – Dec 2006, Engineering intern, Google Zurich, Switzerland

Research Excellence and Professional Services

• 2025 ACM SIGMOD 2025, Program Committee Member
• 2025 VLDB 2025, Program Committee Member
• 2022 Best Teacher Award, Hanyang University
• 2022 IEEE ICDE 2022, Program Committee Member
• 2021 ACM SIGMOD 2021 Best Paper Honorable Mention Award
• 2021 ACM SIGMOD 2021, Program Committee Member
• 2019 Best Teacher Award, Hanyang University
• 2013 ACM SIGMOD 2013 One of the Four Best Papers

Students

• Zguem Sara (사라)      Ph.D. Student in CSE, Seoul National University , 2023.9 ~ present
• Education: M.S. in CSE, Seoul National University, Aug 2023
• Research: High-performance index for KV-storage systems
• Publications: in preparation for VLDB 2025 or SIGMOD 2026
• Keon-Wook Park (박건욱)      Ph.D. Student (integrated) in GSDS, Seoul National University, 2024.9 ~ present
• Education: B.S. in CS, Hanyang University, Aug 2024
• Research: DB-OS Co-design for Fast Data Analytics
• Publications: in preparation for SIGMOD 2026
• Kyeongmin Lim (임경민)      Ph.D. Student in GSDS, Seoul National University, will start in 2025
• Education: B.S. and M.S. in CS, Hanyang University, Feb 2023 and Feb 2025
• Research: Efficient HTAP DBMSs and DB-OS Co-design for Fast Data Analytics
• Publications: SIGMOD 2025 (accepted), VLDB 2025 (will be submitted soon), and in preparation for SIGMOD 2026
• Yeon-Jin Park (박연진)      Ph.D. Student (integrated) in GSDS, Seoul National University, will start in 2025
• Education: B.S. in CS, Hanyang University, Feb 2025
• Research: Rapid Garbage Collection for HTAP DBMSs
• Publications:in preparation for SIGMOD 2026


• Kihwan Kim (김기환)      M.S. Student in CS, Hanyang University, 2023.3 ~ 2025.2 (expected)
• Education: B.S. in CS, Hanyang University, Feb 2023
• Research: Efficient HTAP DBMSs and DB-OS Co-design for Fast Data Analytics
• Publications: SIGMOD 2025 (accepted) and VLDB 2025 (will be submitted soon)
• Minseok Yoon (윤민석)     M.S. Student in CS, Hanyang University, 2023.3 ~ 2025.2 (expected)
• Education: B.S. in CS, Hanyang University, Feb 2023
• Research: Efficient HTAP DBMSs and DB-OS Co-design for Fast Data Analytics
• Publications: SIGMOD 2025 (accepted) and VLDB 2025 (will be submitted soon)
• Hyejin Choi (최혜진)      M.S. Student in GSDS, Seoul National University, 2023.9 ~ present
• Education: B.S. in Economics, Korea University
• Research: Data Lakehouse Systems for ML/DL
• Publications: please stay tuned!
• Dong-Kwang Kim (김동광)      M.S. Student in GSDS, Seoul National University, 2023.9 ~ present
• Education: B.S. in Sociology, Seoul National University
• Research: DB-OS Co-design for Fast Data Analytics
• Publications: in preparation for SIGMOD 2026
• Changmin Jeon (전창민)      M.S. Student in CSE, Seoul National University, 2023.3 ~ present
• Hyolim Hong (홍효림)      M.S. Student in CSE, Seoul National University, 2023.3 ~ present
• Hae-Ram Kim (김해람)      M.S. Student in CSE, Seoul National University, 2024.3 ~ present
• Education: B.S. in EE, Chungbuk National University
• Research: Accelerating HTAP through Emerging Hardware
• Publications: in preparation for SIGMOD 2026
• Cheol-Min Choi (최철민)      M.S. Student in GSDS, Seoul National University, 2024.9 ~ present
• Education: B.S. in CS, Hanyang University, Aug 2024
• Research: DB-OS Co-design for Fast Data Analytics
• Publications: in preparation for SIGMOD 2026
• Sung-Ho Bae (배성호)      M.S. Student in GSDS, Seoul National University, 2024.9 ~ present
• Education: B.S. in EECS, GIST, Aug 2024
• Research: Data Lakehouse Systems
• Publications: please stay tuned!


• Seo-Young Lee (이서영)      Undergraduate Intern in GSDS, Seoul National University, 2024.11 ~ present
• Education: B.S. in CSE, College of Liberal Studies, Seoul National University, Aug 2025
• Research: Efficient HTAP DBMSs
• Publications: please stay tuned!

Alumni

• Woong Sul (설웅)
• Education: B.S. in Material Science and Engineering and Ph.D. in CSE, Seoul National University, Feb 2022 (co-advised)
• Work: Teaching Assistant Professor at Hanyang University - Teaching CS major courses in systems area
• Jongbin Kim (김종빈)
• Education: B.S. and Ph.D. in CS, Hanyang University, Feb 2017 and Aug 2022, respectively
• Work: Amazon Aurora, AWS Inc., Seattle, USA - Developing new databases


• Sang-Yeop Rhee (이상엽)
• Education: B.S. in CS, Purdue University, and M.S. in CS, Hanyang University, Feb 2019
• Work: Bithumb Inc., Korea - Software development
• Hyeongwon Jang (장형원)
• Education: B.S. and M.S. in CS, Hanyang University, Feb 2017 and Feb 2019, respectively
• Work: SAP Labs Korea - Database development
• Hyeonseok Oh (오현석)
• Education: B.S. and M.S. in CS, Hanyang University, Feb 2017 and Feb 2019, respectively
• Work: Google Korea - Software development
• Jae-eun Kim (김재은)
• Education: B.S. and M.S. in CS, Hanyang University, Feb 2017 and Feb 2019 (co-advised), respectively
• Work: MetisX Inc., Korea - Developing vector databases
• Hyunsoo Cho (조현수)
• Education: B.S. and M.S. in CS, Hanyang University, Feb 2018 and Feb 2020, respectively
• Work: Dnotitia Inc., Korea - Developing vector databases
• Kihwang Kim (김기황)
• Education: B.S. and M.S. in CS, Hanyang University, Feb 2018 and Feb 2020, respectively
• Work: SAP Labs Korea - Database development
• Seohui Son (손서희)
• Education: B.S. and M.S. in CS, Hanyang University, Aug 2018 and Feb 2021, respectively
• Work: SAP Labs Korea (previously) now unknown (Seattle) - Database development
• Jaeseon Yu (유재선)
• Education: B.S. and M.S. in CS, Hanyang University, Feb 2020 and Feb 2022, respectively
• Work: SAP Labs Korea - Database development
• Kitaek Lee (이기택)
• Education: B.S. and M.S. in CS, Hanyang University, Feb 2020 and Feb 2023, respectively
• Current: preparing for studying abroad - Database research
• Jaechan Ahn (안재찬)
• Education: B.S. and M.S. in CS, Hanyang University, Feb 2021 and Feb 2023, respectively
• Current: Ph.D. Student at the University of Maryland, College Park, USA - Systems research

Selected Top-tier Publications

• “ Rapid Data Ingestion through DB-OS Co-design,” ACM SIGMOD 2025 (to appear)
• “ Deploying Computational Storage for HTAP DBMSs Takes More Than Just Computation Offloading,” VLDB 2023
• “ DIVA: Making MVCC Systems HTAP-Friendly,” ACM SIGMOD 2022
• “ Rethink the Scan in MVCC Databases,” ACM SIGMOD 2021 (Best Paper Honorable Mention Award)
• “ Long-lived Transactions Made Less Harmful,” ACM SIGMOD 2020
• “ Border-Collie: A Wait-free, Read-optimal Algorithm for Database Logging on Multicore Hardware”, ACM SIGMOD 2019
• “ Pay Migration Tax to Homeland: Anchor-based Scalable Reference Counting for Multicores,” USENIX FAST 2019
• “ Scalable Database Logging for Multicores,” VLDB 2018 (PVLDB)
• “ TCPRand: Randomizing TCP Payload Size for TCP Fairness in Data Center Networks,” IEEE INFOCOM 2015
• “ A Scalable Lock Manager for Multicores”, ACM Transactions on Database Systems 2014
• “ Scalable Serializable Snapshot Isolation for Multicore Systems,” IEEE ICDE 2014
• “ A Scalable Lock Manager for Multicores,” ACM SIGMOD 2013
  • invited to ACM TODS 2014 as one of the four best papers of SIGMOD 2013.
• “ Serializable Snapshot Isolation for Replicated Databases in High-Update Scenarios,” VLDB 2011
• “ Adaptive Delay-based Congestion Control for High Bandwidth-delay Product Networks,” IEEE INFOCOM 2011

Useful Tips for Graduate Students

• Prof. Gernot Heiser (ACM/IEEE Fellow) at UNSW, Sydney, Australia
• Wonderful tips on "How to Write a Good Paper"
• Gernot's Guide to Technical Writing
• Gernot's List of Systems Benchmarking Crimes
• Roy Levin and David D. Redell, Ninth SOSP Program Committee Chairmen
• How (and How Not) to Write a Good Systems Paper
• Prof. David A. Patterson (ACM A. M. Turing Award 2017) at UC Berkeley, CA, USA
• How to Have a Bad Career in Research/Academia
• Dave Patterson's Writing Advice
• Prof. Wanda Pratt at the University of Washington, Seattle, WA, USA
• Graduate School Survival Guide
• Prof. Michael Stonebraker (ACM A. M. Turing Award 2014) at MIT, MA, USA
• 10 big data blunders businesses should avoid
• The Traditional RDBMS Wisdom is All Wrong