708 search results - page 21 / 142 » A Genetic Algorithm for Database Query Optimization |
IDEAS
2009
IEEE
14 years 2 months ago
2009
IEEE
In this paper, we present our work on evaluating the skyline algorithms BNL, SFS, and a variant of LESS in PostgreSQL. It is well known that the performance of skyline queries is ...
ICDE
2010
IEEE
14 years 2 months ago
2010
IEEE
— Finding the k nearest neighbors (kNN) of a query point, or a set of query points (kNN-Join) are fundamental problems in many application domains. Many previous efforts to solve...
EDBT
2009
ACM
14 years 2 months ago
2009
ACM
In recent years, large amount of data modeled by graphs, namely graph data, have been collected in various domains. Efficiently processing queries on graph databases has attracted...
ICDE
1995
IEEE
14 years 9 months ago
1995
IEEE
We describe set-oriented algorithms for mining association rules. Such algorithms imply performing multiple joins and may appear to be inherently less escient than special-purpose...
VLDB
1998
ACM
13 years 11 months ago
1998
ACM
: Structural queries constitute a special form of content-basedretrieval where the user specifiesa set of spatial constraints among query variables and asks for all configurations ...