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BMCBI
2007
147views more  BMCBI 2007»
14 years 9 months ago
Bias in random forest variable importance measures: Illustrations, sources and a solution
Variable importance measures for random forests have been receiving increased attention as a means of variable selection in many classification tasks in bioinformatics and relate...
Carolin Strobl, Anne-Laure Boulesteix, Achim Zeile...
COOPIS
1999
IEEE
15 years 1 months ago
Selectively Materializing Data in Mediators by Analyzing User Queries
There is currently great interest in building information mediators that can integrate informationfrom multipledata sources such as databases or Web sources. The query response ti...
Naveen Ashish, Craig A. Knoblock, Cyrus Shahabi
DOLAP
2005
ACM
14 years 11 months ago
A relevance-extended multi-dimensional model for a data warehouse contextualized with documents
Current data warehouse and OLAP technologies can be applied to analyze the structured data that companies store in their databases. The circumstances that describe the context ass...
Juan Manuel Pérez, Rafael Berlanga Llavori,...
ICDT
2007
ACM
158views Database» more  ICDT 2007»
15 years 3 months ago
Coupling Fragments of XPath with XML Indexing and Query Decomposition
Abstract. Recent studies have proposed structural summary techniques for pathquery evaluation on semi-structured data sources. One major line of this research
George H. L. Fletcher, Dirk Van Gucht, Yuqing Wu, ...
WEBDB
2005
Springer
83views Database» more  WEBDB 2005»
15 years 3 months ago
Indexing for XML Siblings
Efficient querying XML documents is an increasingly important issue considering the fact that XML becomes the de facto standard for data representation and exchange over the Web,...
SungRan Cho