A Business Model (BM) Development Methodology in Ubiquitous Computing Environments. - Choon Seong Leem; Nam Joo Jeon; Jong Hwa Choi; Hyoun Gyu Shin (ICCSA (4), 2005)

A taxonomy of ubiquitous computing applications. - Nam Joo Jeon; Choon Seong Leem; Min Hyung Kim; Hyoun Gyu Shin (Wirel. Pers. Commun., 2007)