A Semantic Context-Aware Access Control in Pervasive Environments. - Hyuk Jin Ko; Dongho Won; Dong Ryul Shin; Hyunseung Choo; Ung-Mo Kim (ICCSA (2), 2006)

Context RBAC/MAC Access Control for Ubiquitous Environment. - Kyu Il Kim; Hyuk Jin Ko; Hyun Sik Hwang; Ung-Mo Kim (DASFAA, 2007)

A Data Sanitization Method for Privacy Preserving Data Re-publication. - Joo Chang Lee; Hyuk Jin Ko; Eunju Lee 004; Won Gil Choi; Ung-Mo Kim (NCM (2), 2008)

RBAC-based access control for privacy preserving in semantic web. - Kyu Il Kim; Wonyoung Kim; Joonsuk Ryu; Hyuk Jin Ko; Ung-Mo Kim; Woo Jun Kang (ICUIMC, 2010)