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» Role Transfer Problems and Algorithms
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IPPS
2007
IEEE
14 years 2 months ago
Implementing Replica Placements: Feasibility and Cost Minimization
Given two replication schemes old X and new X , the Replica Transfer Scheduling Problem (RTSP) aims at reaching new X , starting from old X , with minimal implementation cost. In ...
Thanasis Loukopoulos, Nikos Tziritas, Petros Lamps...
CCS
2007
ACM
14 years 13 days ago
Efficient policy analysis for administrative role based access control
Administrative RBAC (ARBAC) policies specify how Role-Based Access Control (RBAC) policies may be changed by each administrator. It is often difficult to fully understand the effe...
Scott D. Stoller, Ping Yang, C. R. Ramakrishnan, M...
CIS
2007
Springer
13 years 10 months ago
Security Assurance for Dynamic Role Mapping in a Multi-Domain Environment
Multi-domain application environments where distributed domains interoperate with each other are becoming a reality in Internet-based enterprise applications. The secure interoper...
Cuihua Zuo, Ruixuan Li, Hongmu Han, Zhengding Lu
GD
2003
Springer
14 years 1 months ago
Fixed Parameter Algorithms for one-sided crossing minimization Revisited
We exhibit a small problem kernel for the one-sided crossing minimization problem. This problem plays an important role in graph drawing algorithms based on the Sugiyama layering ...
Vida Dujmovic, Henning Fernau, Michael Kaufmann
ISAAC
2004
Springer
103views Algorithms» more  ISAAC 2004»
14 years 1 months ago
Structural Similarity in Graphs (A Relaxation Approach for Role Assignment)
Standard methods for role assignment partition the vertex set of a graph in such a way that vertices in the same class can be considered to have equivalent roles in the graph. Seve...
Ulrik Brandes, Jürgen Lerner