1746 search results - page 148 / 350 » Hierarchical Unsupervised Learning |
ICMCS
2006
IEEE
14 years 3 months ago
2006
IEEE
This paper presents a new framework that integrates relevance feedback into region-based image retrieval (RBIR) systems based on radial basis function network (RBFN). A modified u...
ESANN
2007
13 years 10 months ago
2007
A new efficient unsupervised feature selection method is proposed to handle transactional data. The proposed feature selection method introduces a new Data Distribution Factor (DDF...
SWAP
2008
13 years 10 months ago
2008
We describe here a methodology to combine two different techniques for Semantic Relation Extraction from texts. On the one hand, generic lexicosyntactic patterns are applied to the...
ACL
2006
13 years 10 months ago
2006
We investigate prototype-driven learning for primarily unsupervised grammar induction. Prior knowledge is specified declaratively, by providing a few canonical examples of each ta...
NIPS
2001
13 years 10 months ago
2001
We suggest a nonparametric framework for unsupervised learning of projection models in terms of density estimation on quantized sample spaces. The objective is not to optimally re...