114 search results - page 11 / 23 » On the Controlled Evolution of Access Rules in Cooperative I... |
GECCO
2008
Springer
13 years 8 months ago
2008
Springer
In the early days a policy was a set of simple rules with a clear intuitive motivation that could be formalised to good effect. However the world is becoming much more complex. S...
VTC
2010
IEEE
13 years 5 months ago
2010
IEEE
— We consider the sensing of the frequency spectrum based on energy detection for cognitive radios. It has been shown that the reliability of the sensing can be improved by using...
DKE
2002
13 years 7 months ago
2002
This paper briefly traces the evolution of information system architectures from mainframe-connected terminals to distributed multi-tier architectures. It presents the challenges ...
DBSEC
2007
13 years 9 months ago
2007
Abstract. Modern information systems require temporal and privilegeconsuming usage of digital objects. To meet these requirements, we present a new access control model–Times-bas...
CCS
2007
ACM
14 years 1 months ago
2007
ACM
Materialized XPath access-control views are commonly used for enforcing access control. When access control rules defining a materialized XML access-control view change, the view...