1. Cantor, S., Kemp, J., Philpott, R., Maler, E.: Security Assertion Markup Language v2.0. OASIS Security Services Technical Committee Standard (2005)
2. Varney, C.: Liberty Alliance — Privacy and Security Best Practices 2.0 (2003), http://project-liberty.org/specs/
3. Kaler, C., Nadalin, A.: Web Services Federation Language, WS-Federation (2003), http://www-106.ibm.com/developerworks/webservices/library/ws-fed/
4. Erdos, M., Cantor, S.: Shibboleth architecture (v05) (2002), http://shibboleth.internet2.edu/docs/
5. Moses, T.: OASIS eXtensible Access Control Markup Language 2.0, core specification. OASIS XACML Technical Committee Standard (2005)