Last Ten Years and the Next of Blockchain: a Performance Perspective
KAIST CS Colloquium, School of Computing, Apr. 6th, 2020
Harnessing SQL/DBMS Power in Scaled-Out Systems—the Case of a Large-Scale Social Networking Service (SNS) System
DGIST ICDE Colloquium, Daegu, Mar. 8, 2016
ODYS: A Massively-Parallel Search Engine Using a DB-IR Tightly-Integrated Parallel DBMS
DGIST Global Innovation Festival, Daegu, Dec. 6, 2012
ODYS: A Massively-Parallel Search Engine Using a DB-IR Tightly-Integrated Parallel DBMS
IBM Almaden Research Lab, USA, June 14, 2012
The Ubiquitous DBMS
Yonsei University, Won-Joo Campus, May 24, 2012
DB-IR Integration and Its Application to a Massively-Parallel Search Engine
the 6th Korea-Japan Database Workshop (KJDB 2011)
Sapporo, Hokkaido, Japan, Nov. 26, 2011 (keynote speech)
The Ubiquitous DBMS
Daegu Gyeongbuk Institute of Science and Technology(DGIST), May 13, 2011
DB-IR Integration and Its Application to a Massively-Parallel Search Engine
The 18th ACM Conference on Information and Knowledge Management (CIKM 2009) (keynote speech),
Hong Kong, China, Nov. 3, 2009
DB-IR Integration and a Massively-Parallel Search Engine
University of Minnesota, USA, July 29, 2009
Ubiquitous Database Engines
The 2nd Hanoi Forum on Information - Communication Technology (ICT2008) (keynote speech),
Hanoi, Vietnam, Dec. 11, 2008
A New DBMS Architecture for DB-IR Integration
Korean Institute of Information Scientists and Engineers (KIISE) Distinguished Visitor Talk
Dongguk University(Kyeongju), Nov. 28, 2008
A New DBMS Architecture for DB-IR Integration
Korean Institute of Information Scientists and Engineers (KIISE) Distinguished Visitor Talk
Woosuk University, Aug. 19, 2008
Ubiquitous Database Engines--A KOSEF National Research Lab Project
The 4th Korea-Japan Database Workshop (KJDB2008) (keynote speech),
Iizaka, Onsen, Japan, Sept. 20, 2008
A New DBMS Architecture for DB-IR Integration
APWeb/WAIM 2007 Conference (keynote speech), Huang Shan, China, June 17, 2007
A New DBMS Architecture for DB-IR Integration
ACM SAC 2007 Conference (keynote speech), Seoul, Korea, Mar. 12, 2007
Continuous Query Processing in Data Streams Using Duality of Data and Queries
University of Minnesota, USA, July 21, 2006
Odysseus: a High-Performance ORDBMS Tightly-Coupled with IR and Spatial Features
IBM Almaden Research Lab, USA, July 22, 2005
Odysseus: a High-Performance ORDBMS Tightly-Coupled with IR and Spatial Features
University of Minnesota, USA, July 20, 2005
Advanced Information Technology Research Center--Introduction to Database Research
Tsinghua University, China, July 12, 2004
A One-Pass Aggregation Algorithm with the Optimal Buffer Size in Multidimensional OLAP
Tsinghua University, China, July 12, 2004
Advanced Information Technology Research Center--Introduction to Database Research
Beijing University, China, July 12, 2004
A One-Pass Aggregation Algorithm with the Optimal Buffer Size in Multidimensional OLAP
Beijing University, China, July 12, 2004
Advanced Information Technology Research Center--Introduction to Database Research
Harbin Institute of Technology, Harbin, China, Feb. 9, 2004
A One-Pass Aggregation Algorithm with the Optimal Buffer Size in Multidimensional OLAP
Harbin Institute of Technology, Harbin, China, Feb. 9, 2004
GeneralMatch: A Subsequence Matching Method in Time-Series Databases Based on Generalized Windows
University of Minnesota, USA, July 2003
A One-Pass Aggregation Algorithm with the Optimal Buffer Size in Multidimensional OLAP
University of Rome, La Sapienza, Nov. 10, 2003
Tight-Coupling: A Way of Building High-Performance Application Specific Engines
IFIP WG 2.6 meeting, Catania, Italy, Nov. 5-10, 2003
Advanced Information Technology Research Center--Introduction to Database Research, KAIST,
National University of Singapore, Singapore, May 2003
Advanced Information Technology Research Center--Introduction to Database Research, KAIST,
SIGMOD Japan, Japan, July 2002
Dual Match: Duality-Based Subsequence Matching in Time Series Databases
SIGMOD Japan, Japan, July 2002
Advanced Information Technology Research Center--Introduction to Database Research
Ricoh Co., Japan, July 2002
A One-Pass Aggregation Algorithm with the Optimal Buffer Size in Multidimensional OLAP
Ricoh Co., Japan, July 2002
Advanced Information Technology Research Center--Introduction to Database Research
University of Minnesota, USA, July 2002
Dual Match -- an Efficient Time-Series Subsequence Matching Method Using Duality in Constructing Windows
University of Minnesota, USA, July 2002
GeneralMatch: A Subsequence Matching Method in Time-Series Databases Based on Generalized Windows
IBM Almaden Research Lab., USA, July 2002
Prefetching Based on the Type-Level Access Pattern in Object-Relational DBMSs
IBM Almaden Research Lab., USA, July 2001
Physical Database Design for Multidimensional File Organization
National Database Conference (keynote speech), Bao Ding, China, Oct. 2000
Effient Time-Series Subsequence Matching using Duality in Constructing Windows
IBM Almaden Research Lab., USA, July 2000
Hewlett-Packard Research Lab, USA, July 2000
The Clustering Property of Corner Transform for Spartial Databases
University of Minnesota, Aug. 1999
Technology Development Planning for Fundamental and Applied S/W Technologies for Ministry of Science and Technology
Jeon-Nam National University, June 1999
A Region Splitting Strategy for Physical Database Design of Multidimensional File Organization
Hewlett-Packard Research Lab, USA, July 1998
ODYSSEUS: an Object-Oriented Multimedia DBMS
IBM Almaden Research Lab., USA, July 1998
ODYSSEUS: an Object-Oriented Multimedia DBMS
Daewoo Heavy Industries LTD., Apr. 1998
The Development of the ODYSSEUS Object-Oriented DBMS
Tutorial Presentation at the 1998 SIGDB Winter Conference, Feb. 1998
A Region Splitting Strategy for Physical Database Design of Multidimensional File Organizations
IBM Almaden Research Lab., USA, July 1997
ODYSSEUS: Object-Oriented Multimedia DBMS
Seoul International Database Conference, July 1997
'97 Introduction to Database and Multimedia Laboratory
SERI, June 1997
Physical Database Design of Multidimensional File Organizations
IFIP WG 2.6, June 1997
Multimedia DBMS
POSTECH, Korea, Oct. 1996
Spatial Join Using Corner Transformation
University of Minnesota, USA, Feb. 1996
IFIP WG 2.6 meeting, Barcelona, Spain, Oct. 1995
IBM Almaden Research Lab., USA, July 1995
The Architecture of the Object-Oriented DBMS
Korea Science and Engineering Foundation, Sept. 1995
GEOSS: An Object-Oriented Spatial Object Storage System for GIS
GIS Tutorial, KOEX, June 1995
Object-Oriented GIS Engine for Large Spatial Database
The '95 Workshop for GIS Software Development, Feb. 1995
Multimedia Database System Technology
Tutorial Presentation at the 1995 SIGDB Winter Conference, Feb. 1995
Multimedia Database and Platform
Multimedia '94 Seminar, KOEX, Dec. 1994
Development of Multimedia Information Storing and Retrieving Technology
The Workshop for Fundamental Research on Information Super-highway, KAIST Seoul Campus, Oct. 1994
Current Status and Future Prospect of Multimedia Databases
The Second Workshop for Promoting Database Industry in Korea, Database Promotion Center of Korea, June 1994
The Multilevel Grid File and Its Applications
IFIP WG 2.6, meeting, Beanne, France, June 1994
Mutimedia Databases
System Engineering Research Institute, May 1994
Ajou University, Nov. 1994
A Multimedia Information System Platform
Macquarie Univ., Sydney, Australia, Apr. 1994
Hewlett Packard Laboratory, Palo Alto, California, Aug. 1993
IBM Almaden Research Center, Aug. 1993
System Engineering Research Institute, Nov. 1992
Providing Persistence to C++ for Multimedia Applications
Hewlett Packard Laboratory, Palo Alto, California, Aug. 1993
IBM Almaden Research Center, Aug. 1993
Dynamic Maintenance of Data Distribution for Selectivity Estimation
Georgia Institute of Techology, Feb. 1994
University of Minnesota, Dec. 1992
IBM T.J. Watson Research Center, July 1992
Georgia Institute of Techology, Feb. 1992
IBM Almaden Research Center, Aug. 1991
Stanford University, Aug. 1991
Hewlett Packard Laboratory, Aug. 1991
A Version Management System for CAD Databases
GoldStar Electron Co., Nov. 1992
Research Projects at the KAIST Database and Multimedia Laboratory
Hyundai Electronics Co., Nov. 1992
Multimedia Information Systems
Tutorial Presentation at the 1992 Fall Plenary Meeting of the Special Interest Group on Expert Systems,The Korean Operations Research and Management Science Society, Sept. 1992
Multimedia Information Processing
Tutorial Presentation for the Short Course Organized by Special Interest Group on Data and Computer Communication,Korea Institute of Communication Sciences, Sept. 1992
Query Optimization in OBE/QBE -- A Memory Resident Domain Relational Calculus Database System
Seogang University, 1990
Louisiana State University, Oct. 1988
Rutgers University, Nov. 1987
Issues in Object-Oriented Database Systems Research
Seogang University, 1990
Pohang Institute of Science and Technology, 1990
Seoul National University, 1990
Kyusu University, Nov. 1990
University of Minnesota, Oct. 1990
Stanford University, Feb. 1990
Supporting Universal Quantification in a Two-Dimensional Database Query Language
Stanford University, Feb. 1989
University Texas at Austin, Dec. 1988
M.C.C., Dec. 1988
An Extended Disjunctive Normal Form Approach to Optimizing Recursive Logic Queries in Loosely Coupled Environments
University of Minnesota, May 1987
Stanford University, April 1987
New York University, March 1987
Query Optimization in Main Memory Resident Databases
Bell Communications Research, June 1987
Query Optimization in Office-by-Example
Carleton University, Canada, March 1986
Cornell University, Sept. 1985
IBM Japan Science Institute, May 1985
Stanford University, May 1985