1. Davenport, T.H.: Process innovation: reengineering work through information technology. Harvard Business Press (1993)
2. Kruchten, P.: The 4+1 View Model of Architecture. IEEE Softw. 12, 42–50 (1995)
3. Machado, R.J., Fernandes, J.M., Monteiro, P., Rodrigues, H.: Transformation of UML Models for Service-Oriented Software Architectures. In: Proceedings of the 12th IEEE ECBS, pp. 173–182. IEEE Computer Society (2005)
4. Lecture Notes in Computer Science;R.J. Machado,2006
5. National Institute of Standards and Technology,
http://www.nist.gov/itl/cloud/upload/cloud-def-v15.pdf