708 search results - page 118 / 142 » A Genetic Algorithm for Database Query Optimization |
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
We address the issue of measuring storage, or query load distribution fairness in peer-to-peer data management systems. Existing metrics may look promising from the point of view ...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
We make two main contributions in this paper. First, we motivate and introduce a novel class of data mining problems that arise in labeling a group of mass spectra, specifically f...
PODS
1997
ACM
13 years 11 months ago
1997
ACM
In this paper, we present a new cost model for nearest neighbor search in high-dimensional data space. We first analyze different nearest neighbor algorithms, present a generaliza...
CIKM
2006
Springer
13 years 11 months ago
2006
Springer
We propose to adapt the newly emerged cache-oblivious model to relational query processing. Our goal is to automatically achieve an overall performance comparable to that of fine-...
PODS
2006
ACM
14 years 7 months ago
2006
ACM
B-trees are the data structure of choice for maintaining searchable data on disk. However, B-trees perform suboptimally ? when keys are long or of variable length, ? when keys are...