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KES
2008
Springer
14 years 11 months ago
An Algorithm to Assess the Reliability of Hierarchical Clusters in Gene Expression Data
The validation of clusters discovered in bio-molecular data is a central issue in bioinformatics. Recently, stability-based methods have been successfully applied to the analysis o...
Roberto Avogadri, Matteo Brioschi, Francesca Ruffi...
ICML
2006
IEEE
16 years 18 days ago
An investigation of computational and informational limits in Gaussian mixture clustering
We investigate under what conditions clustering by learning a mixture of spherical Gaussians is (a) computationally tractable; and (b) statistically possible. We show that using p...
Nathan Srebro, Gregory Shakhnarovich, Sam T. Rowei...
DAGSTUHL
2007
15 years 1 months ago
Subspace outlier mining in large multimedia databases
Abstract. Increasingly large multimedia databases in life sciences, ecommerce, or monitoring applications cannot be browsed manually, but require automatic knowledge discovery in d...
Ira Assent, Ralph Krieger, Emmanuel Müller, T...
BMCBI
2004
86views more  BMCBI 2004»
14 years 11 months ago
A computer simulation analysis of the accuracy of partial genome sequencing and restriction fragment analysis in estimating gene
Background: Determination of genetic relatedness among microorganisms provides information necessary for making inferences regarding phylogeny. However, there is little informatio...
Baozhen Qiao, Ronald M. Weigel
DATESO
2004
84views Database» more  DATESO 2004»
15 years 1 months ago
Query Expansion and Evolution of Topic in Information Retrieval Systems
Approach based on clustering will be described in our paper. Basic version of our system was given in [5] allows us to expand query through special index. Hierarchical agglomerativ...
Jiri Dvorský, Jan Martinovic, Václav...