Intelligence in the Era of Big Data 4th International Conference on Soft Computing, Intelligent Systems, and Information Technology, ICSIIT 2015, Bali, Indonesia, March 11-14, 2015. Proceedings - Intan, Rolly; Chi, Chi-Hung; Palit, Henry N.; Santoso, Leo W. (Springer Berlin Heidelberg : Imprint: Springer, 2015)