243 search results - page 2 / 49 » Selectivity Estimation for Boolean Queries |
VL
2000
IEEE
13 years 9 months ago
2000
IEEE
The accurate formulation of boolean expressions is a notorious problem in programming languages and database query tools. This paper studies the ways that untrained users naturall...
ICDE
2008
IEEE
14 years 6 months ago
2008
IEEE
Many new applications that involve decision making need online (i.e., OLAP-styled) preference analysis with multidimensional boolean selections. Typical preference queries includes...
PVLDB
2008
13 years 4 months ago
2008
We study selectivity estimation techniques for set similarity queries. A wide variety of similarity measures for sets have been proposed in the past. In this work we concentrate o...
ICDT
2009
ACM
14 years 5 months ago
2009
ACM
This article deals with consistent query answering to conjunctive queries under primary key constraints. The repairs of an inconsistent database db are obtained by selecting a max...
ICDE
2004
IEEE
14 years 6 months ago
2004
IEEE
Queries with (equality or LIKE) selection predicates over string attributes are widely used in relational databases. However, state-of-the-art techniques for estimating selectivit...