123 search results - page 6 / 25 » D-algebra for composing access control policy decisions |
MABS
2004
Springer
14 years 27 days ago
2004
Springer
Abstract. A simulation-based tool is described which will be used to investigate how the actors in a transport chain are expected to act when different types of governmental contro...
SACMAT
2006
ACM
14 years 1 months ago
2006
ACM
We introduce the concept, model, and policy-specific algorithms for inferring new access control decisions from previous ones. Our secondary and approximate authorization model (...
SDMW
2009
Springer
14 years 2 months ago
2009
Springer
Provenance access control has been recognized as one of the most important components in an enterprise-level provenance system. However, it has only received little attention in th...
CCS
2004
ACM
14 years 28 days ago
2004
ACM
Intranet access has become an essential function for corporate users. At the same time, corporation’s security administrators have little ability to control access to corporate ...
CDC
2008
IEEE
14 years 2 months ago
2008
IEEE
—We study the problem of dynamic spectrum sensing and access in cognitive radio systems as a partially observed Markov decision process (POMDP). A group of cognitive users cooper...