Executable specifications for distributed software systems. - Joseph E. Urban; Hankyu Joo (FTDCS, 1995)

Private and fair pay-per-view scheme for Web-based video-on-demand systems. - Hankyu Joo (IEEE Trans. Consumer Electron., 2003)

Vulnerability Analysis of the Grid Data Security Authentication System. - Seung S. Yang; Hongsik Choi; Hankyu Joo (Inf. Secur. J. A Glob. Perspect., 2010)

Content Authentication Scheme for Modifiable Multimedia Streams. - Hankyu Joo (FGIT-MulGraB (1), 2011)