Selectivity Estimation Scheme for Spatial Topological Predicate Using Multi-dimensional Histogram. - Warnill Chung; Sung-Hee Kim; Hong-Yeon Kim; Hae-Young Bae (PDPTA, 2002)

Modified Single-link Management Method for Spatial Query Optimization in Spatial DBMS. - Warnill Chung; Jaohong Li; Kwang-Chul Jung; Soon-Jo Lee; Hae-Young Bae (Modelling, Simulation, and Optimization, 2003)

A Specification of a Moving Objects Query Language over GML for Location-Based Services. - Warnill Chung; Hae-Young Bae (APWeb, 2004)

Efficient Parallel Spatial Join Processing Method in a Shared-Nothing Database Cluster System. - Warnill Chung; Soon-Young Park; Hae-Young Bae (ICESS, 2004)

An Extension of XQuery for Moving Objects over GML. - Warnill Chung; Soon-Young Park; Hae-Young Bae (ITCC (2), 2004)

Tracking Data Management of Spatial DBMS Using Topology for Location-Based Services. - Soon-Young Park; Warnill Chung; Chung-Ho Lee; Hae-Young Bae (Human.Society@Internet, 2005)