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» Modeling with a Sense of Purpose
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SRDS
2003
IEEE
15 years 12 months ago
Performance and Effectiveness Analysis of Checkpointing in Mobile Environments
Many mathematical models have been proposed to evaluate the execution performance of an application with and without checkpointing in the presence of failures. They assume that th...
Xinyu Chen, Michael R. Lyu
SSDBM
2003
IEEE
115views Database» more  SSDBM 2003»
15 years 12 months ago
Efficient Update and Retrieval of Objects in a Multiresolution Geospatial Database
Many emerging applications benefit from the extraction of geospatial data specified at different resolutions for viewing purposes. Data must also be topologically accurate and up-...
Sham Prasher, Xiaofang Zhou
ISLPED
2003
ACM
95views Hardware» more  ISLPED 2003»
15 years 11 months ago
Power-aware scheduling of conditional task graphs in real-time multiprocessor systems
We propose a novel power-aware task scheduling algorithm for DVS-enabled real-time multiprocessor systems. Unlike the existing algorithms, the proposed DVS algorithm can handle co...
Dongkun Shin, Jihong Kim
SACMAT
2003
ACM
15 years 11 months ago
An approach to engineer and enforce context constraints in an RBAC environment
This paper presents an approach that uses special purpose RBAC constraints to base certain access control decisions on context information. In our approach a context constraint is...
Gustaf Neumann, Mark Strembeck
SC
2003
ACM
15 years 11 months ago
Job Superscheduler Architecture and Performance in Computational Grid Environments
Computational grids hold great promise in utilizing geographically separated heterogeneous resources to solve large-scale complex scientific problems. However, a number of major ...
Hongzhang Shan, Leonid Oliker, Rupak Biswas