Sciweavers

354 search results - page 22 / 71
» Key management for content access control in a hierarchy
Sort
View
EMISA
2009
Springer
15 years 4 months ago
Access Control for Monitoring System-Spanning Business Processes in Proviado
: Integrated process support is highly desirable in environments where data related to a particular (business) process are scattered over distributed, heterogeneous information sys...
Sarita Bassil, Manfred Reichert, Ralph Bobrik
CN
2007
172views more  CN 2007»
14 years 9 months ago
Threshold cryptography in P2P and MANETs: The case of access control
Ad hoc groups, such as peer-to-peer (P2P) systems and mobile ad hoc networks (MANETs) represent recent technological advancements. They support low-cost, scalable and fault-tolera...
Nitesh Saxena, Gene Tsudik, Jeong Hyun Yi
PVLDB
2008
197views more  PVLDB 2008»
14 years 9 months ago
Dynamic partitioning of the cache hierarchy in shared data centers
Due to the imperative need to reduce the management costs of large data centers, operators multiplex several concurrent database applications on a server farm connected to shared ...
Gokul Soundararajan, Jin Chen, Mohamed A. Sharaf, ...
CCS
2008
ACM
14 years 11 months ago
Assessing query privileges via safe and efficient permission composition
We propose an approach for the selective enforcement of access control restrictions in, possibly distributed, large data collections based on two basic concepts: i) flexible autho...
Sabrina De Capitani di Vimercati, Sara Foresti, Su...
VLDB
2008
ACM
148views Database» more  VLDB 2008»
15 years 10 months ago
Purpose based access control for privacy protection in relational database systems
Abstract In this article, we present a comprehensive approach for privacy preserving access control based on the notion of purpose. In our model, purpose information associated wit...
Ji-Won Byun, Ninghui Li