Matthew Johnson Jeffrey M. Bradshaw Hyuckchul Jung Niranjan Suri Marco M. Carvalho Policy Management across Multiple Platforms and Application Domains. 199-202 2008 POLICY http://doi.ieeecomputersociety.org/10.1109/POLICY.2008.35 conf/policy/2008 db/conf/policy/policy2008.html#JohnsonBJSC08