708 search results - page 57 / 142 » A Genetic Algorithm for Database Query Optimization |
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
Exploratory ad-hoc queries could return too many answers ? a phenomenon commonly referred to as "information overload". In this paper, we propose to automatically catego...
ICPR
2008
IEEE
14 years 3 months ago
2008
IEEE
We present a Genetic Algorithm based feature selection approach according to which feature subsets are represented by individuals of an evolving population. Evolution is controlle...
VLDB
1991
ACM
14 years 10 days ago
1991
ACM
Queries in object-oriented datab;Lqcs are formulated against a class and retrieve instnnccls of the class sat,isfying a certain predicate on the att,riblltes of the class. The pre...
ICDE
2010
IEEE
14 years 8 months ago
2010
IEEE
A fundamental problem in XML query processing is tree pattern query (TPQ) matching which computes all data instances in an XML database that match an input TPQ. There is a lot of r...
SIGMOD
2009
ACM
14 years 1 months ago
2009
ACM
It has recently been asserted that the usability of a database is as important as its capability. Understanding the database schema, the hidden relationships among attributes in t...