3225 search results - page 138 / 645 » Query Optimization by Stored Queries |
SIGMOD
2006
ACM
14 years 9 months ago
2006
ACM
Text is ubiquitous and, not surprisingly, many important applications rely on textual data for a variety of tasks. As a notable example, information extraction applications derive...
ICDM
2007
IEEE
14 years 3 months ago
2007
IEEE
Data mining algorithms use various Trie and bitmap-based representations to optimize the support (i.e., frequency) counting performance. In this paper, we compare the memory requi...
SIGMOD
2006
ACM
14 years 9 months ago
2006
ACM
SYRCODIS
2007
13 years 10 months ago
2007
Several requirements for algebra suitable for e cient cost-based optimization are presented. It is shown that known XML algebras do not fully satisfy this requirements. A new alge...
VLDB
1998
ACM
14 years 1 months ago
1998
ACM
The goal of the COKO-KOLA project [10, 91 is to express rules of rule-basedoptimizers in a mannerpermitting verification with a theoremprover. In [IO], we consideredquerytransform...