50 search results - page 3 / 10 » Conditional Selectivity for Statistics on Query Expressions |
PKDD
2007
Springer
13 years 11 months ago
2007
Springer
A relevance filter is proposed which removes features based on the mutual information between class labels and features. It is proven that both feature independence and class condi...
VLDB
2007
ACM
14 years 5 months ago
2007
ACM
Estimating the cardinality (i.e. number of distinct elements) of an arbitrary set expression defined over multiple distributed streams is one of the most fundamental queries of in...
ICDE
2004
IEEE
14 years 6 months ago
2004
IEEE
Twig queries represent the building blocks of declarative query languages over XML data. A twig query describes a complex traversal of the document graph and generates a set of el...
BMCBI
2006
13 years 5 months ago
2006
Background: Recently several statistical methods have been proposed to identify genes with differential expression between two conditions. However, very few studies consider the p...
CIBCB
2006
IEEE
13 years 11 months ago
2006
IEEE
— Microarray data analysis is notoriously challenging as it involves a huge number of genes compared to only a limited number of samples. Gene selection, to detect the most signi...