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» Defining and computing accessibility radius
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MMMACNS
2005
Springer
14 years 1 months ago
Foundation for a Time Interval Access Control Model
A new model for representing temporal access control policies is introduced. In this model, temporal authorizations are represented by time attributes associated with both subjects...
Francis B. Afinidad, Timothy E. Levin, Cynthia E. ...
ITNG
2008
IEEE
14 years 2 months ago
An Efficient Technique for Distance Computation in Road Networks
With recent advances in wireless communication and position technologies, it became possible to collect and record trajectories of moving objects. Thus, many services in road netw...
Xu Jianqiu, Victor Teixeira de Almeida, Qin Xiaoli...
ICDE
2010
IEEE
562views Database» more  ICDE 2010»
14 years 7 months ago
Multi-Guarded Safe Zone: An Effective Technique to Monitor Moving Circular Range Queries
Given a positive value r, a circular range query returns the objects that lie within the distance r of the query location. In this paper, we study the circular range queries that c...
Muhammad Aamir Cheema, Ljiljana Brankovic, Xuemin ...
SODA
2010
ACM
162views Algorithms» more  SODA 2010»
14 years 5 months ago
The forest hiding problem
Let be a disk of radius R in the plane. A set F of closed unit disks contained in forms a maximal packing if the unit disks are pairwise disjoint and the set is maximal: i.e., i...
Adrian Dumitrescu, Minghui Jiang
TJS
2002
101views more  TJS 2002»
13 years 7 months ago
Compilation for Adaptive Computing Systems Using Complex Parameterized Hardware Objects
FLAME, the Flexible API for Module-based Environments, is a proposed standard interface for the integration of parameterized hardware generators into high-level design tools. This ...
Andreas Koch