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Learning Taxonomies by Dependence Maximization

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons83816

Blaschko,  MB
Department Empirical Inference, Max Planck Institute for Biological Cybernetics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons83946

Gretton,  A
Department Empirical Inference, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Zitation

Blaschko, M., & Gretton, A. (2009). Learning Taxonomies by Dependence Maximization. Advances in neural information processing systems 21: 22nd Annual Conference on Neural Information Processing Systems 2008, 153-160.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0013-C48B-F
Zusammenfassung
We introduce a family of unsupervised algorithms, numerical taxonomy clustering, to simultaneously cluster data, and to learn a taxonomy that encodes the relationship between the clusters. The algorithms work by maximizing the dependence between the taxonomy and the original data. The resulting taxonomy is a more informative visualization of complex data than simple clustering; in addition, taking into account the relations between different clusters is shown to substantially improve the quality of the clustering, when compared with state-ofthe-art algorithms in the literature (both spectral clustering and a previous dependence maximization approach). We demonstrate our algorithm on image and text data.