Unsupervised feature analysis for high dimensional big data: Learning without teachers, an exploration of world in unsupervised data - Couverture souple

Qian, Mingjie

 
9783659805158: Unsupervised feature analysis for high dimensional big data: Learning without teachers, an exploration of world in unsupervised data
Couverture souple
ISBN 10 : 3659805157 ISBN 13 : 9783659805158
Editeur : LAP LAMBERT Academic Publishing, 2016

Synopsis

For single-view unsupervised feature selection, we propose two novel methods RUFS and AUFS. RUFS considers outliers in both labeling learning and feature selection thus is more robust than state-of-the-arts. AUFS is proposed such that three desirable properties are satisfied: (1) Sparsity-inducing property; (2) Large weights and small weights are equally penalized; (3) Good balance between small loss on normal data examples and large loss on outliers. For multi-view unsupervised feature selection, we propose to directly utilize raw features in the main view to learn pseudo cluster labels which should also have the most consensus with other views, and meanwhile the discriminative features in the feature selection process will win out to contribute more on label learning process. For multi-view topic discovery, we propose a regularized nonnegative constrained $l_{2,1}$-norm minimization framework as a systematic solution that can integrate information propagation and mutual enhancement between data of different types without supervision in a principled way.

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Présentation de l'éditeur

For single-view unsupervised feature selection, we propose two novel methods RUFS and AUFS. RUFS considers outliers in both labeling learning and feature selection thus is more robust than state-of-the-arts. AUFS is proposed such that three desirable properties are satisfied: (1) Sparsity-inducing property; (2) Large weights and small weights are equally penalized; (3) Good balance between small loss on normal data examples and large loss on outliers. For multi-view unsupervised feature selection, we propose to directly utilize raw features in the main view to learn pseudo cluster labels which should also have the most consensus with other views, and meanwhile the discriminative features in the feature selection process will win out to contribute more on label learning process. For multi-view topic discovery, we propose a regularized nonnegative constrained $l_{2,1}$-norm minimization framework as a systematic solution that can integrate information propagation and mutual enhancement between data of different types without supervision in a principled way.

Biographie de l'auteur

Dr. Qian received his bachelor's degree and master's degree in control science from Tsinghua University, and his Ph.D. degree in computer science from University of Illinois at Urbana-Champaign. He is a research scientist at Yahoo Labs at Sunnyvale, CA. He is an editorial board member of Information Processing and Management by Elsevier Science.

Les informations fournies dans la section « A propos du livre » peuvent faire référence à une autre édition de ce titre.

Éditeur
LAP LAMBERT Academic Publishing
Date d'édition
2016
Langue
anglais
ISBN 10 
3659805157
ISBN 13 
9783659805158
Reliure
Broché
Nombre de pages
144
Coordonnées du fabricant
non disponible
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