1. Robert Gellman, WPF REPORT: Privacy in the clouds: Risks to privacy and confidentiality from cloud computing, February 23, 2009.
2. OASIS, eXtensible Access Control Markup Language (XACML) Version 2.0, OASIS Standard, 1 February, 2005.
3. OASIS, eXtensible Access Control Markup Language (XACML) Version 3.0, Committee Specification 1, 10 August, 2010.
4. PERMIS: a modular authorization infrastructure;Chadwick;Concurr. Comput.,2008
5. W3C: The Platform for Privacy Preferences 1.0 (P3P 1.0), Technical Report, 2002.