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SACMAT
2003
ACM
16 years 28 days ago
Induced role hierarchies with attribute-based RBAC
The Role-Based Access Control (RBAC) model is traditionally used to manually assign users to appropriate roles. When the service-providing enterprise has a massive customer base, ...
Mohammad A. Al-Kahtani, Ravi S. Sandhu
224
Voted
EDBT
2000
ACM
15 years 11 months ago
Management and Query Processing of One-Dimensional Intervals with the UB-Tree
The management and query processing of one dimensional intervals is a special case of extended object handling. One dimensional intervals play an important role in temporal databa...
Robert Fenk
ICRA
1998
IEEE
141views Robotics» more  ICRA 1998»
15 years 12 months ago
On Discontinuous Human Control Strategies
Models of human control strategy (HCS), which accurately emulate dynamic human behavior, have far reaching potential in areas ranging from robotics to virtual reality to the intel...
Michael C. Nechyba, Yangsheng Xu
ICRA
2007
IEEE
124views Robotics» more  ICRA 2007»
16 years 2 months ago
Using Constrained Intuitionistic Linear Logic for Hybrid Robotic Planning Problems
— Synthesis of robot behaviors towards nontrivial goals often requires reasoning about both discrete and continuous aspects of the underlying domain. Existing approaches in build...
Uluc Saranli, Frank Pfenning
CDC
2008
IEEE
100views Control Systems» more  CDC 2008»
16 years 2 months ago
A structure preserving minimal representation of a nonlinear port-Hamiltonian system
— In this paper an approach to reduce nonlinear non-observable and non-strongly accessible port-Hamiltonian systems to an observable and strongly accessible portHamiltonian syste...
Jacquelien M. A. Scherpen, Arjan van der Schaft