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SACMAT
2006
ACM
15 years 6 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
JCDL
2003
ACM
231views Education» more  JCDL 2003»
15 years 5 months ago
Acquisition, Representation, Query and Analysis of Spatial Data: A Demonstration 3D Digital Library
The increasing power of techniques to model complex geometry and extract meaning from 3D information create complex data that must be described, stored, and displayed to be useful...
Jeremy Rowe, Anshuman Razdan, Arleyn Simon
121
Voted
XMLSEC
2003
ACM
15 years 5 months ago
Access control of XML documents considering update operations
As a large quantity of information is presented in XML format on the Web, there are increasing demands for XML security. Until now, research on XML security has been focused on th...
Chung-Hwan Lim, Seog Park, Sang Hyuk Son
DBPL
2003
Springer
92views Database» more  DBPL 2003»
15 years 5 months ago
A Query Algebra for Fragmented XML Stream Data
The increased usage of mobile devices coupled with an unprecedented demand for information has pushed the scalability problem of pull-based data service to the focus. A broadcast ...
Sujoe Bose, Leonidas Fegaras, David Levine, Vamsi ...
DEM
2001
Springer
247views GIS» more  DEM 2001»
15 years 5 months ago
Procedural Geometry for Real-Time Terrain Visualisation in Blueberry3D
A common concern of the real−time terrain visualisation of today is the lack of geometric detail, when the terrain model is studied close enough. This is primary not a problem of...
Mattias Widmark
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