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» Document clustering based on cluster validation
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ECAI
2004
Springer
15 years 9 months ago
OntoRefiner, a user query refinement interface usable for Semantic Web Portals
We present a user interface, the OntoRefiner1 system, for helping the user to navigate numerous retrieved documents after a search querying a semantic portal which integrates a ver...
Brigitte Safar, Hassen Kefi, Chantal Reynaud
ER
2004
Springer
103views Database» more  ER 2004»
15 years 11 months ago
Modeling Default Induction with Conceptual Structures
Our goal is to model the way people induce knowledge from rare and sparse data. This paper describes a theoretical framework for inducing knowledge from these incomplete data descr...
Julien Velcin, Jean-Gabriel Ganascia
ECOOPW
1998
Springer
15 years 10 months ago
Reengineering the Modularity of OO Systems
This paper describes a validation experiment of a quantitative approach to the modularization of object oriented systems based on Cluster Analysis. A sample of some relatively larg...
Fernando Brito e Abreu, Gonçalo Pereira, Pe...
BMCBI
2008
178views more  BMCBI 2008»
15 years 6 months ago
Identification of coherent patterns in gene expression data using an efficient biclustering algorithm and parallel coordinate vi
Background: The DNA microarray technology allows the measurement of expression levels of thousands of genes under tens/hundreds of different conditions. In microarray data, genes ...
Kin-On Cheng, Ngai-Fong Law, Wan-Chi Siu, Alan Wee...
BMCBI
2011
15 years 1 months ago
Motif-guided sparse decomposition of gene expression data for regulatory module identification
Background: Genes work coordinately as gene modules or gene networks. Various computational approaches have been proposed to find gene modules based on gene expression data; for e...
Ting Gong, Jianhua Xuan, Li Chen, Rebecca B. Riggi...