Yuri Demchenko's Homepage
This guy has interesting works, particularly I found Using SAML and XACML for Authorisation assertions and messaging: SAML and XACML standards overview and usage examples. usefull. It helped me to confirm that SAML's Statement should be used with xsi:type in XACML-SAML profile.
This is Argyn's blog. I comment on topics of my interests such as software, math, finance, and music. Also, I write about local events in Northern Virginia, USA and all things related to Kazakhstan