6660 search results - page 193 / 1332 » Data Analysis for Query Processing |
128
click to vote
DMKD
2003
ACM
15 years 7 months ago
2003
ACM
An inference problem exists in a multilevel database if knowledge of some objects in the database allows information with a higher security level to be inferred. Many such inferen...
113
Voted
VLDB
2004
ACM
15 years 8 months ago
2004
ACM
When query optimizers erroneously assume that database columns are statistically independent, they can underestimate the selectivities of conjunctive predicates by orders of magni...
143
click to vote
PPDP
2010
Springer
15 years 14 days ago
2010
Springer
Given a set of Datalog rules, facts, and a query, answers to the query can be inferred bottom-up starting with the facts or top-down starting with the query. For efficiently answe...
136
click to vote
CAISE
2005
Springer
15 years 8 months ago
2005
Springer
In vague queries, a user enters a value that represents some real world object and expects as the result the set of database values that represent this real world object even with ...
142
click to vote
AAI
2007
15 years 2 months ago
2007
In recent years, the KDD process has been advocated to be an iterative and interactive process. It is seldom the case that a user is able to answer immediately with a single query...