U- and E-Service, Science and Technology International Conference, UNESST 2011, Held as Part of the Future Generation Information Technology Conference, FGIT 2011, in Conjunction with GDC 2011, Jeju Island, Korea, December 8-10, 2011. Proceedings - Kim, Tai-hoon; Adeli, Hojjat; Ma, Jianhua; Fang, Wai-chi; Kang, Byeong-Ho; Park, Byungjoo; Sandnes, Frode Eika; Lee, Kun Chang (Springer Berlin Heidelberg : Imprint: Springer, 2011)