708 search results - page 51 / 142 » Optimizing SQL Queries over Text Databases |
ICDE
2007
IEEE
14 years 10 months ago
2007
IEEE
Algorithms that exploit sort orders are widely used to implement joins, grouping, duplicate elimination and other set operations. Query optimizers traditionally deal with sort ord...
VLDB
2005
ACM
14 years 2 months ago
2005
ACM
A “plan diagram” is a pictorial enumeration of the execution plan choices of a database query optimizer over the relational selectivity space. In this paper, we present and an...
VLDB
2007
ACM
14 years 9 months ago
2007
ACM
An optimization query asks for one or more data objects that maximize or minimize some function over the data set. We propose a general class of queries, model-based optimization ...
SIGMOD
1993
ACM
14 years 27 days ago
1993
ACM
Abstract: We propose a framework for the specification of extensible database systems. A particular goal is to implement a software component for parsing and rule-based optimizatio...
ICDE
2006
IEEE
14 years 10 months ago
2006
IEEE
To effectively support today's global economy, database systems need to manage data in multiple languages simultaneously. While current database systems do support the storag...