Sciweavers

4560 search results - page 431 / 912
» Finding Data in the Neighborhood
Sort
View
164
Voted
ITA
2006
167views Communications» more  ITA 2006»
15 years 6 months ago
Characterization of lung tumor subtypes through gene expression cluster validity assessment
The problem of assessing the reliability of clusters patients identified by clustering algorithms is crucial to estimate the significance of subclasses of diseases detectable at b...
Giorgio Valentini, Francesca Ruffino
JIIS
2006
76views more  JIIS 2006»
15 years 6 months ago
Holes in joins
A join of two relations in real databases is usually much smaller than their cartesian product. This means that most of the combinations of tuples in the crossproduct of the respe...
Jarek Gryz, Dongming Liang
PAA
2008
15 years 6 months ago
Distance-based discriminant analysis method and its applications
This paper proposes a method of finding a discriminative linear transformation that enhances the data's degree of conformance to the compactness hypothesis and its inverse. Th...
Serhiy Kosinov, Thierry Pun
NJC
2006
102views more  NJC 2006»
15 years 6 months ago
Online Evaluation of Regular Tree Queries
Regular tree queries (RTQs) are a class of queries considered especially relevant for the expressiveness and evaluation of XML query languages. The algorithms proposed so far for ...
Alexandru Berlea
178
Voted
PR
2006
132views more  PR 2006»
15 years 6 months ago
Some approaches to improve tree-based nearest neighbour search algorithms
Nearest neighbour search is a widely used technique in pattern recognition. During the last three decades a large number of fast algorithms have been proposed. In this work we are...
Eva Gómez-Ballester, Luisa Micó, Jos...