2Bessani A N,Correia M P,Quaresma B,et al.Dep Sky:Dependable and secure storage in a cloud-of-douds[C]//Proceedings of the 6th Conference on Computer Systems,2011:31-46.
3Stein S,Ware J,Laboy J.Improving K-12 Pedagogy via a Cloud Designed for Education[J].International Journal of Information Management,2013(33):235-241.
4Bessani A N,Correia M P,Quaresma B,et al.Dep Sky:Dependable and secure storage in a cloud-of-douds[C]//Proceedings of the 6th Conference on Computer Systems,2011:31-46.
5Stein S,Ware J,Laboy J.Improving K-12 Pedagogy via a Cloud Designed for Education[J].International Journal of Information Management,2013(33):235-241.
