15 search results - page 1 / 3 » Unsupervised ensemble minority clustering |
KBS
2006
13 years 4 months ago
2006
Ensemble methods that train multiple learners and then combine their predictions have been shown to be very effective in supervised learning. This paper explores ensemble methods ...
WIRN
2005
Springer
13 years 10 months ago
2005
Springer
We present an algorithmic scheme for unsupervised cluster ensembles, based on randomized projections between metric spaces, by which a substantial dimensionality reduction is obtai...
CIBB
2008
2008
Unsupervised Stability-Based Ensembles to Discover Reliable Structures in Complex Bio-molecular Data
13 years 6 months ago
The assessment of the reliability of clusters discovered in bio-molecular data is a central issue in several bioinformatics problems. Several methods based on the concept of stabil...
SDM
2008
SIAM
13 years 6 months ago
2008
SIAM
This paper studies the ensemble selection problem for unsupervised learning. Given a large library of different clustering solutions, our goal is to select a subset of solutions t...
ICPR
2006
IEEE
14 years 5 months ago
2006
IEEE
A two-class imbalanced data problem (IDP) emerges when the data from majority class are compactly clustered and the data from minority class are scattered. Though a discriminative...