708 search results - page 16 / 142 » Optimizing SQL Queries over Text Databases |
SIGMOD
2005
ACM
14 years 7 months ago
2005
ACM
The problem of estimating progress for long-running queries has recently been introduced. We analyze the characteristics of the progress estimation problem, from the perspective o...
DAWAK
2003
Springer
14 years 21 days ago
2003
Springer
Abstract. Many SQL queries with aggregated subqueries exhibit redundancy (overlap in FROM and WHERE clauses). We propose a method, called the for-loop, to optimize such queries by ...
SIGMOD
2006
ACM
14 years 7 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...
SSDBM
2008
IEEE
14 years 1 months ago
2008
IEEE
Applications requiring the handling of uncertain data have led to the development of database management systems extending the scope of relational databases to include uncertain (p...
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
The growing nature of databases, and the flexibility inherent in the SQL query language that allows arbitrarily complex formulations, can result in queries that take inordinate am...