Sorry, I forgot to mention his name. It is Ja'far Al-Qatawna.
/Erik
Erik Rissanen wrote:
>All,
>
>As I mentioned eariler, we had a student here at SICS looking into how
>to generalize XACML so it can, in addition to Permit and Deny, also
>return "Possible with explicit override". He used obligations to do it,
>so it is related to the recent work, mostly by Bill and Michiharu, on
>combination of obligations.
>
>His work is available online now at:
>
>http://www.dsv.su.se/research/seclab/pages/msckththeses-en.html
>
>thesis number: No 2006-x-412
>
>Best regards,
>Erik
>
>