239 search results - page 46 / 48 » Document clustering using nonnegative matrix factorization |
HT
2009
ACM
14 years 3 months ago
2009
ACM
Collaborative tagging systems are now popular tools for organising and sharing information on the Web. While collaborative tagging offers many advantages over the use of controll...
CORR
2007
Springer
13 years 8 months ago
2007
Springer
In many real-world applications, data cannot be accurately represented by vectors. In those situations, one possible solution is to rely on dissimilarity measures that enable a se...
BMCBI
2007
13 years 8 months ago
2007
Background: Clustering methods are widely used on gene expression data to categorize genes with similar expression profiles. Finding an appropriate (dis)similarity measure is crit...
NIPS
2004
13 years 10 months ago
2004
We show how to build hierarchical, reduced-rank representation for large stochastic matrices and use this representation to design an efficient algorithm for computing the largest...
BMCBI
2004
13 years 8 months ago
2004
Background: The discovery of cis-regulatory modules in metazoan genomes is crucial for understanding the connection between genes and organism diversity. It is important to quanti...