1. Weiss, A.: Computing in the Cloud. Net Worker 11(4), 16–26 (2007)
2. Gillett, F.E.: Future View: New Tech Ecosystems of Cloud, Cloud Services, and Cloud Computing, Forrester Research Paper (2008)
3. Turner, M., Budgen, D., Brereton, P.: Turning Software into a Service. IEEE Computer 36(10), 38–44 (2003)
4. Javier, E., David, C., Arturo, M.: Application Development over Software-as-a-Service Platforms. In: Proceedings of the 3rd International Conference on Software Engineering Advances (ICESA 2008), pp. 97–104. IEEE Computer Society, Los Alamitos (2008)
5. Mietzner, R., Leymann, F., Papazoglou, M.P.: Defining Composite Configurable SaaS Application Packages Using SCA, Variability Descriptors and Multi-Tenancy Patterns. In: Proceedings of the 3rd International Conference on Internet and Web Applications and Services (ICIW 2008), pp. 156–161. IEEE Computer Society, Los Alamitos (2008)