708 search results - page 99 / 142 » A Genetic Algorithm for Database Query Optimization |
SIGMOD
2010
ACM
14 years 1 months ago
2010
ACM
Online aggregation is a promising solution to achieving fast early responses for interactive ad-hoc queries that compute aggregates on a large amount of data. Essential to the suc...
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
A common technique for processing conjunctive queries is to first match each predicate separately using an index lookup, and then compute the intersection of the resulting rowid li...
ICDT
2011
ACM
13 years 12 days ago
2011
ACM
Given a set of points with uncertain locations, we consider the problem of computing the probability of each point lying on the skyline, that is, the probability that it is not do...
CIKM
2009
Springer
14 years 3 months ago
2009
Springer
Many applications in structure matching require the ability to search for graphs that are similar to a query graph, i.e., similarity graph queries. Prior works, especially in chem...
UC
2005
Springer
14 years 2 months ago
2005
Springer
Consider a database most of whose entries are marked but the precise fraction of marked entries is not known. What is known is that the fraction of marked entries is 1 − , where ...