Cloud Computing and Security: First International Conference, ICCCS 2015, Nanjing, China, August 13-15, 2015. Revised Selected Papers - Wang, Jian, editor.; Luo, Junzhou, editor.; Sun, Xingming, editor.; Huang, Zhiqiu, editor. (Cloud Computing and Security: First International Conference, ICCCS 2015, Nanjing, China, August 13-15, 2015. Revised Selected Papers, 2015)