Document Detail

LI-MLC: A Label Inference Methodology for Addressing High Dimensionality in the Label Space for Multilabel Classification.
MedLine Citation:
PMID:  25291737     Owner:  NLM     Status:  In-Data-Review    
Multilabel classification (MLC) has generated considerable research interest in recent years, as a technique that can be applied to many real-world scenarios. To process them with binary or multiclass classifiers, methods for transforming multilabel data sets (MLDs) have been proposed, as well as adapted algorithms able to work with this type of data sets. However, until now, few studies have addressed the problem of how to deal with MLDs having a large number of labels. This characteristic can be defined as high dimensionality in the label space (output attributes), in contrast to the traditional high dimensionality problem, which is usually focused on the feature space (by means of feature selection) or sample space (by means of instance selection). The purpose of this paper is to analyze dimensionality in the label space in MLDs, and to present a transformation methodology based on the use of association rules to discover label dependencies. These dependencies are used to reduce the label space, to ease the work of any MLC algorithm, and to infer the deleted labels in a final postprocessing stage. The proposed process is validated in an extensive experimentation with several MLDs and classification algorithms, resulting in a statistically significant improvement of performance in some cases, as will be shown.
Francisco Charte; Antonio J Rivera; Maria J Del Jesus; Francisco Herrera
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  IEEE transactions on neural networks and learning systems     Volume:  25     ISSN:  2162-2388     ISO Abbreviation:  IEEE Trans Neural Netw Learn Syst     Publication Date:  2014 Oct 
Date Detail:
Created Date:  2014-10-08     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101616214     Medline TA:  IEEE Trans Neural Netw Learn Syst     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1842-54     Citation Subset:  IM    
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