R. L. Aguiar, J. Jaehnert, A. F. Gomez Skarmeta, and C. Hauser, “Identity management in federated telecommunications systems,” Proceedings of the Workshop on Standards for Privacy in User-Centric Identity Management, Zurich, 2006.
 B. Weyl, P. Brandao, A. F. Gomez Skarmeta, R. M. Lopez, P. Mishra, C. Hauser, and H. Ziemek, “Protecting privacy of identities in federated operator environments,” IST-14th Wireless Mobile Summit, 2005.
 R. M. Bahat, M. A. Bauer, E. M. Vieira, and O. K. Baek, “Using policies to drive autonomic management,” In Proceedings of the 2006 international Symposium on World of Wireless, Mobile and Multimedia Networks, International Workshop on Wireless Mobile Multimedia. IEEE Computer Society, Washington D.C., pp. 475–479, June 2006.
 J. O. Kephart and W. E. Walsh, “An artificial intelligence perspective on autonomic computing policies,” Fifth IEEE International Workshop on Policies for Distributed Systems and Networks (POLICY'04), 2004.