Title
Simultaneous pattern and variable weighting during topological clustering
Abstract
This paper addresses the problem of detecting a subset of the most relevant features and observations from a dataset through a local weighted learning paradigm. We introduce a new learning approach, which provides simultaneously Self-Organizing Map (SOM) and double local weighting. The proposed approach is computationally simple, and learns a different features vector weights for each cell (relevance vector) and an observation weighting matrix. Based on the lwo-SOM and lwd-SOM [7], we present a new weighting approach allowing to take into account the importance of the observations and of the variables simultaneously called dlw-SOM. After the learning phase, a selection method is used with weight vectors to prune the irrelevant variables and thus we can characterize the clusters. A number of synthetic and real data are experimented on to show the benefits of the proposed double local weighting using self-organizing models.
Year
DOI
Venue
2011
10.1007/978-3-642-24955-6_68
ICONIP (1)
Keywords
Field
DocType
new learning approach,proposed double local weighting,different features vector weight,observation weighting matrix,simultaneous pattern,relevance vector,proposed approach,local weighting,topological clustering,weight vector,local weighted learning paradigm,new weighting approach,variable weighting
Cluster (physics),Data mining,Weighting,Pattern recognition,Feature selection,Computer science,Matrix (mathematics),Self-organizing map,Artificial intelligence,Cluster analysis,Machine learning
Conference
Volume
ISSN
Citations 
7062
0302-9743
0
PageRank 
References 
Authors
0.34
8
2
Name
Order
Citations
PageRank
Nistor Grozavu16716.76
Younès Bennani226953.18