1. Gartner expects five years for hybrid cloud to reach productivity.
http://www.cloudcomputing-news.net/news/2015/aug/18/gartner-expects-hybrid-cloud-reach-productivity-five-years-are-they-right/
. Accessed 19 Feb 2016
2. Rightscale 2016 state of the cloud report.
https://www.rightscale.com/lp/state-of-the-cloud
. Accessed 3 July 2016
3. Lecture Notes in Computer Science;S Cui,2017
4. Cash, D., Grubbs, P., Perry, J., Ristenpart, T.: Leakage-abuse attacks against searchable encryption. In: Ray, I., Li, N., Kruegel, C. (eds.) SIGSAC 2015, pp. 668–679. ACM, New York (2015)
5. Naveed, M., Kamara, S., Wright, C.V.: Inference attacks on property-preserving encrypted databases. In: Ray, I., Li, N., Kruegel, C. (eds.) SIGSAC 2015, pp. 644–655. ACM, New York (2015)