401 search results - page 65 / 81 » Static Dependent Costs for Estimating Execution Time |
CGF
2008
13 years 9 months ago
2008
This work emerged from the following observation: usual search procedures for octrees start from the root to retrieve the data stored at the leaves. But since the leaves are the fa...
ALGOSENSORS
2009
Springer
13 years 6 months ago
2009
Springer
Abstract. We describe a novel approach for constructing a single spanning tree for data aggregation towards a sink node. The tree is universal in the sense that it is static and in...
SIGMOD
2009
ACM
14 years 3 months ago
2009
ACM
The state of the art commercial query optimizers employ cost-based optimization and exploit dynamic programming (DP) to find the optimal query execution plan (QEP) without evalua...
MASCOTS
2008
13 years 10 months ago
2008
A key obstacle to large-scale network simulation over PC clusters is the memory balancing problem where a memory-overloaded machine can slow down an entire simulation due to disk ...
SEUS
2008
IEEE
14 years 3 months ago
2008
IEEE
In the expanding e-society, mobile embedded systems are increasingly used to support transactions such as for banking, stock or database applications. Such systems entail a range o...