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» Using Cases Utility for Heuristic Planning Improvement
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SIGMOD
2001
ACM
124views Database» more  SIGMOD 2001»
14 years 8 months ago
Query Optimization In Compressed Database Systems
Over the last decades, improvements in CPU speed have outpaced improvements in main memory and disk access rates by orders of magnitude, enabling the use of data compression techn...
Zhiyuan Chen, Johannes Gehrke, Flip Korn
CP
2007
Springer
14 years 1 months ago
Exploiting Past and Future: Pruning by Inconsistent Partial State Dominance
It has recently been shown, for the Constraint Satisfaction Problem (CSP), that the state associated with a node of the search tree built by a backtracking algorithm can be exploit...
Christophe Lecoutre, Lakhdar Sais, Sébastie...
WER
2007
Springer
14 years 1 months ago
O Gerenciamento de Requisitos no Ambiente COCAR
Background. This research group has been working towards building an environment which helps software development, providing support to some activities mainly based on use case mo...
André Di Thommazo, Marcos Danilo Martins, S...
CLUSTER
2008
IEEE
14 years 2 months ago
Empirical-based probabilistic upper bounds for urgent computing applications
—Scientific simulation and modeling often aid in making critical decisions in such diverse fields as city planning, severe weather prediction and influenza modeling. In some o...
Nick Trebon, Peter H. Beckman
EWC
2008
117views more  EWC 2008»
13 years 7 months ago
Performance of parallel computations with dynamic processor allocation
In parallel adaptive mesh refinement (AMR) computations the problem size can vary significantly during a simulation. The goal here is to explore the performance implications of dyn...
Saeed Iqbal, Graham F. Carey