660 search results - page 74 / 132 » History-Based Access Control and Secure Information Flow |
ISW
2009
Springer
14 years 2 months ago
2009
Springer
As a new public key primitive, attribute-based encryption (ABE) is envisioned to be a promising tool for implementing fine-grained access control. To further address the concern o...
BIS
2007
13 years 9 months ago
2007
As the ontologies are the pivotal element of the Semantic Web in E-Commerce, it is necessary to protect the ontology’s integrity and availability. In addition, both suppliers and...
CAISE
2003
Springer
14 years 27 days ago
2003
Springer
Our group is involved in the European funded Webocracy project in which an e-government system called Webocrat has been designed and implemented. Our responsibility is to provide m...
ICDE
2007
IEEE
14 years 2 months ago
2007
IEEE
In a secure mediated information system, confidentiality is one of the main concerns when transmitting data from datasources to clients via a mediator. We present three approache...
SACMAT
2003
ACM
14 years 27 days ago
2003
ACM
This paper presents an approach that uses special purpose RBAC constraints to base certain access control decisions on context information. In our approach a context constraint is...