1. Alonso, G., Casati, F., Kuno, H., Machiraju, V.: Web Services: Concepts, Architectures and Applications. Springer, Heidelberg (2004)
2. Becerra-Fernandez, I., Gonzalez, A., Sabherwal, R.: Knowledge Management: Challenges, Solutions and Technologies. Prentice-Hall, Upper Saddle River (2004)
3. Bellman, R.E., Zadeh, L.A.: Decision-Making in a Fuzzy Environment. Management Science 17(4), B-141–B-164 (1970)
4. Brohman, M.K., Watson, R.T., Piccoli, G., Parasuraman, A.: Data completeness: A key to effective net-based customer service systems. Comm. of the ACM 46(6), 47–51 (2003)
5. Bucchiarone, A., Gnesi, S.: A Survey on Services Composition Languages and Models. In: Proceedings of the International Workshop on Web Services - Modeling and Testing (Web service-MaTe 2006), Palermo, Sicily, June 9, pp. 51–63 (2006)