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SACMAT
2006
ACM
14 years 1 months ago
Fine-grained role-based delegation in presence of the hybrid role hierarchy
Delegation of authority is an important process that needs to be captured by any access control model. In role-based access control models, delegation of authority involves delega...
James B. D. Joshi, Elisa Bertino
CHARME
2005
Springer
122views Hardware» more  CHARME 2005»
14 years 1 months ago
Regular Vacuity
The application of model-checking tools to complex systems involves a nontrivial step of modelling the system by a finite-state model and a translation of the desired properties i...
Doron Bustan, Alon Flaisher, Orna Grumberg, Orna K...
RT
2004
Springer
14 years 28 days ago
All-Frequency Precomputed Radiance Transfer for Glossy Objects
We introduce a method based on precomputed radiance transfer (PRT) that allows interactive rendering of glossy surfaces and includes shadowing effects from dynamic, “all-frequen...
Xinguo Liu, Peter-Pike J. Sloan, Heung-Yeung Shum,...
ACSC
2003
IEEE
14 years 27 days ago
A Unifying Semantic Distance Model for Determining the Similarity of Attribute Values
The relative difference between two data values is of interest in a number of application domains including temporal and spatial applications, schema versioning, data warehousing...
John F. Roddick, Kathleen Hornsby, Denise de Vries
RTSS
2003
IEEE
14 years 26 days ago
Adaptive Coherency Maintenance Techniques for Time-Varying Data
Often, data used in on-line decision making (for example, in determining how to react to changes in process behavior, traffic flow control, etc.) is dynamic in nature and hence ...
Ratul kr. Majumdar, Kannan M. Moudgalya, Krithi Ra...