362 search results - page 9 / 73 » An access control model for simplifying constraint expressio... |
FASE
2004
Springer
14 years 27 days ago
2004
Springer
Abstract. Organizations use Role-Based Access Control (RBAC) to protect computer-based resources from unauthorized access. There has been considerable work on formally specifying R...
ISW
2004
Springer
14 years 26 days ago
2004
Springer
We present a model of access control which provides fine-grained data-dependent control, can express permissions about permissions, can express delegation, and can describe syste...
ICISS
2005
Springer
14 years 1 months ago
2005
Springer
Since XML tends to become the main format to exchange data over the Internet, it is necessary to define a security model to control the access to the content of these documents. S...
AINA
2007
IEEE
13 years 11 months ago
2007
IEEE
Pervasive computing environments introduce new requirements in expressiveness and flexibility of access control policies which are almost addressable leveraging contextual informa...
JSAC
2008
13 years 6 months ago
2008
In this paper we design a cognitive radio that can coexist with multiple parallel WLAN channels while abiding by an interference constraint. The interaction between both systems is...