Efficient Cache Management Protocol Based on Data Locality in Mobile DBMSs. - IlYoung Chung; JeHyok Ryu; Chong-Sun Hwang (ADBIS-DASFAA, 2000)

LDD Regions for Reducing the Routes of LDD Query in Wireless Mobile Environments. - JeHyok Ryu; Joon-Min Gil; Chong-Sun Hwang (PDPTA, 2002)

Considering Mobility Patterns in Moving Objects Database. - MoonBae Song; JeHyok Ryu; SangKeun Lee 001; Chong-Sun Hwang (ICPP, 2003)

A Mobility-Aware Location Update Protocol to Track Mobile Users in Location-Based Services. - MoonBae Song; JeHyok Ryu; Chong-Sun Hwang (WAIM, 2003)

Modeling and Tracking Complexly Moving Objects in Location-Based Services. - MoonBae Song; KwangJin Park; JeHyok Ryu; Chong-Sun Hwang (J. Inf. Sci. Eng., 2004)

Applying the Effective Distance to Location-Dependent Data. - JeHyok Ryu; Ugur Çetintemel (OTM Workshops (2), 2006)