Using 3D Spatial Relationships for Image Retrieval by XML Annotation. - SooCheol Lee; Eenjun Hwang; YangKyoo Lee (ICCSA (4), 2004)

XCRAB: A Content and Annotation-Based Multimedia Indexing and Retrieval System. - Seungmin Rho; SooCheol Lee; Eenjun Hwang; YangKyoo Lee (ICCSA (4), 2004)