Intelligent Information and Database Systems - Ngoc Thanh Nguyen, Boonwat Attachoo, Bogdan TrawiÅ„ski, Kulwadee Somboonviwat; Attachoo, Boonwat; Nguyen, Ngoc Thanh; Somboonviwat, Kulwadee; Trawinski, Bogdan (Springer International Publishing, 2014)