625 search results - page 36 / 125 » Genetic algorithms for large join query optimization |
ICDE
2010
IEEE
14 years 16 days ago
2010
IEEE
— When a database system is extended with the skyline operator, it is important to determine the most efficient way to execute a skyline query across tables with join operations...
ICDE
2006
IEEE
14 years 1 months ago
2006
IEEE
Although the ant metaphor has been successfully applied to routing of data packets both in wireless and fixed networks, little is yet known about its applicability to the task of...
FGCS
2006
13 years 7 months ago
2006
This paper presents a predictable and grouped genetic algorithm (PGGA) for job scheduling. The novelty of the PGGA is twofold: (1) a job workload estimati...
AMAI
2005
Springer
13 years 7 months ago
2005
Springer
Mediator systems integrate distributed, heterogeneous and autonomous data sources, but their e ective use requires the solution of hard query optimization problems. This is usuall...
ADBIS
1994
Springer
13 years 11 months ago
1994
Springer
The data structures suitable for indexing of large spatial objects in databases are considered. Some generalizations of existing tree methods concerned approximation of spatial ob...