Computer Applications for Communication, Networking, and Digital Contents : International Conferences, FGCN and DCA 2012, Held as Part of the Future Generation Information Technology Conference, FGIT 2012, Gangneug, Korea, December 16-19, 2012. Proceedings - Tai-hoon Kim, Dae-sik Ko, Thanos Vasilakos, Adrian Stoica, Jemal Abawajy ((Communications in Computer and Information Science))