Expanding SNS Features with CE Devices: Space, Profile, Communication. - Youngho Rhee; Hyunjoo Kang; Yeojin Kim; Juyeon Lee; IlKu Chang (HCI (9), 2009)

Designing Mobile Social Networking Service Through UCD Process: LifeDiary. - Youngho Rhee; Juyoun Lee; IlKu Chang (Int. J. Hum. Comput. Interact., 2010)