POLICY 2002 will be co-located with SACMAT 2002 (The 7th ACM Symposium on Access Control Models and Technologies). SACMAT 2002 will be held on June 3-4, POLICY 2002 will follow on June 5-7.
See http://www.acm.org/sigsac/sacmat/index.html for further details on SACMAT 2002