There seems to be quite a lot going on in the whole area of Organizational mapping / Idm / Federated services with the recent announcement between Sun and Microsoft re federated security systems (ADFS and Liberty). A couple of really interesting whitepapers have been posted on MSDN covering Laws of identity:

 

http://msdn.microsoft.com/webservices/understanding/advancedwebservices/default.aspx?pull=/library/en-us/dnwebsrv/html/lawsofidentity.asp

 

http://msdn.microsoft.com/webservices/understanding/advancedwebservices/default.aspx?pull=/library/en-us/dnwebsrv/html/identitymetasystem.asp

 

Kim Cameron seems to be doing some great stuff in this area:

http://www.identityblog.com/