Efficient Web-Based Access to Multiple Geographic Databases Through Automatically Generated Wrappers. - Sang Kyun Cha; Ki Hong Kim; Changbin Song; Yong Sik Kwon; Sangyong Hwang (WISE, 2000)

Cache-Conscious Concurrency Control of Main-Memory Indexes on Shared-Memory Multiprocessor Systems. - Sang Kyun Cha; Sangyong Hwang; Kihong Kim; Keunjoo Kwon (VLDB, 2001)

MEADOW: a middleware for efficient access to multiple geographic databases through OpenGIS wrappers. - Sang Kyun Cha; Ki Hong Kim; Byung Suk Lee 001; Changbin Song; Sangyong Hwang; Yong Sik Kwon (Softw. Pract. Exp., 2002)

Performance Evaluation of Main-Memory R-tree Variants. - Sangyong Hwang; Keunjoo Kwon; Sang Kyun Cha; Byung Suk Lee 001 (SSTD, 2003)