차상균 교수 (Prof. Sang Kyun Cha)
서울대학교 공과대학 전기컴퓨터공학부

School of Electrical Engineering & Computer Science, Seoul National University
Email: chask at snu.ac.kr Tel: 82-2-880-7319
Secretary: Ms. Insook Kim (Tel: 82-2-874-7812)

Education

  • Ph.D. in Database Systems, Stanford University (1991)
  • MS & BS in EE, Seoul National University (1982, 1980)

Areas of Research & Professional Experience (click here for details)

  • Next-generation in-memory database engine
  • Massively parallel cloud data management
  • Business process data management and intelligence
  • Performance-oriented mission-critical software development management

Recent Professional Activities

  • VLDB Journal Editor (2009 ~ 2014)
  • ICDE Demo Program Committee member (2008 ~ 2012)
  • VLDB 2009 Core Database Technology Program Committee member
  • ICDE 2009 Research Program Committee member (area: query processing, query optimization, database tuning, and autonomic databases)
  • VLDB 2008 Industrial Program Committee member
  • VLDB 2006 Industrial Program Committee Co-Chair
  • VLDB 2006 Organizer and Moderator of Panel
    • "Globalization: Challenges to Database Community" (Participants: C Mohan at IBM India, Vishal Sikka at SAP, Meichun Hsu at HP Lab, Rajeev Rastogi at Bell Lab India, Honesty Young at IBM China Research, Li-Zhu Zhou at Tsinghua Univ.)
  • IEEE ICDE 2006 Program Committee Area Vice-Chair in DBMS Internals and Performance
  • IEEE ICDE 2005 Organizer and Moderator of Panel
  • DASFAA 2003 PC Co-Chair (with Prof. Mastoshi Yoshigawa in Japan)

Major Achievement

  • Founded Transact In Memory, Inc. in Silicon Valley in 2002 (also its wholly-owned subsudiary TIM System in Korea in 2000) to fund the development of the next-generation in-memory DBMS (known as P*TIME) and has led it to the successful acquisition by SAP (the #1 global business software company) in 2005. SAP transformed TIM System to SAP R&D Center Korea and made an official announcement in March 2008.
    • P*TIME implemented numerous unique (thus patented) architectural features: parallel differential logging and recovery (published in ICDE 2001), cache-conscious index structures (like one published in SIGMOD 2001), cache-conscious index concurrency control with optimistic latch-free index traversal (published in VLDB 2001), and a memory-centric MVCC (multi-version concurrency control).
    • 관악에서 실리콘 밸리까지: A Journey of Global Engineer : 실리콘 밸리 벤쳐(Transact In Memory)를 통한 성공적인 글로벌 기술 이전 관련 talk
  • Led the development of the first-generation in-memory database storage engine based on the conventional architecture in 1990's . With partial indirect funding from the Korean government for development, this engine was delivered to a government research institute in early 1997, and has become the basis of a commercial in-memory DBMS, which now has numerous deployments in Korea, especially, in telecom and financial services.

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