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GEOINFORMATICA
2006
86views more  GEOINFORMATICA 2006»
14 years 11 months ago
Decreasing Computational Time of Urban Cellular Automata Through Model Portability
This paper investigates how portability of a model between different computer operating systems can lead to increased efficiency in code execution. The portability problem is not a...
Charles Dietzel, Keith C. Clarke
ICRA
1998
IEEE
137views Robotics» more  ICRA 1998»
15 years 4 months ago
GRAMMPS: A Generalized Mission Planner for Multiple Mobile Robots in Unstructured Environments
For a system of cooperative mobile robots to be effective in real-world applications, it must be able to efficiently execute a wide class of complex tasks in potentially unknown a...
Barry Brumitt, Anthony Stentz
BTW
2005
Springer
113views Database» more  BTW 2005»
15 years 5 months ago
A Learning Optimizer for a Federated Database Management System
: Optimizers in modern DBMSs utilize a cost model to choose an efficient query execution plan (QEP) among all possible ones for a given query. The accuracy of the cost estimates de...
Stephan Ewen, Michael Ortega-Binderberger, Volker ...
173
Voted
SIGMOD
2009
ACM
161views Database» more  SIGMOD 2009»
15 years 12 months ago
Automated SQL tuning through trial and (sometimes) error
SQL tuning--the attempt to improve a poorly-performing execution plan produced by the database query optimizer-is a critical aspect of database performance tuning. Ironically, as ...
Herodotos Herodotou, Shivnath Babu
PVLDB
2008
126views more  PVLDB 2008»
14 years 11 months ago
Parallelizing query optimization
Many commercial RDBMSs employ cost-based query optimization exploiting dynamic programming (DP) to efficiently generate the optimal query execution plan. However, optimization tim...
Wook-Shin Han, Wooseong Kwak, Jinsoo Lee, Guy M. L...