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

A Delegation Model based on Agent in Distributed Systems. - Kyu Il Kim; Joo Chang Lee; Won Gil Choi; Eun-Ju Lee 004; Ung-Mo Kim (J. Inf. Process. Syst., 2007)

RBAC-based access control for privacy protection in pervasive environments. - Kyu Il Kim; Won Gil Choi; Eun Ju Lee 004; Ung-Mo Kim (ICUIMC, 2009)

A method for opinion mining of product reviews using association rules. - Wonyoung Kim; Joonsuk Ryu; Kyu Il Kim; Ung-Mo Kim (ICIS, 2009)

Mining opinions from messenger. - Joonsuk Ryu; Wonyoung Kim; Kyu Il Kim; Ung-Mo Kim (ICIS, 2009)

A Secure Delegation Model Based on Multi-agent in Pervasive Environments. - Kyu Il Kim; Won Gil Choi; Eun Ju Lee 004; Ung-Mo Kim (KES-AMSTA, 2009)

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)