708 search results - page 14 / 142 » A Genetic Algorithm for Database Query Optimization |
SIGMOD
2010
ACM
13 years 5 months ago
2010
ACM
Given a graph database D and a query graph g, an exact subgraph matching query asks for the set S of graphs in D that contain g as a subgraph. This type of queries find important...
RSCTC
2000
Springer
13 years 11 months ago
2000
Springer
The main task in decision tree construction algorithms is to find the "best partition" of the set of objects. In this paper, we investigate the problem of optimal binary ...
GECCO
2009
Springer
14 years 3 days ago
2009
Springer
Given a set of strings S of equal lengths over an alphabet Σ, the closest string problem seeks a string over Σ whose maximum Hamming distance to any of the given strings is as s...
GIS
1995
ACM
13 years 11 months ago
1995
ACM
An algorithm is presented to answer window queries in a quadtree-based spatial database environment by retrieving the covering blocks in the underlying spatial database. It works ...
ICDE
2010
IEEE
14 years 11 days ago
2010
IEEE
—This paper presents IQP - a novel approach to bridge the gap between usability of keyword search and expressiveness of database queries. IQP enables a user to start with an arbi...