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Paper Abstract and Keywords
Presentation 2012-03-13 14:40
Matrix and Tensor Factorization with Aggregated Observations
Yoshifumi Aimoto, Hisashi Kashima (Univ. of Tokyo) IBISML2011-103
Abstract (in Japanese) (See Japanese page) 
(in English) Matrix and tensor factorization with low-rank assumption are fundamental tools in data analysis. However, the existing matrix and tensor factorization can not be directly applied to such cases where data may be observed in aggregated categories. We propose new methods for matrix and tensor factorization with such aggregated information. Experiments using artificial and real data sets show that proposed methods are superior to simple methods.
Keyword (in Japanese) (See Japanese page) 
(in English) Matrix factorization / Tensor decomposition / / / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 480, IBISML2011-103, pp. 109-116, March 2012.
Paper # IBISML2011-103 
Date of Issue 2012-03-05 (IBISML) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF IBISML2011-103

Conference Information
Committee IBISML  
Conference Date 2012-03-12 - 2012-03-13 
Place (in Japanese) (See Japanese page) 
Place (in English) The Institute of Statistical Mathematics 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mathematical Statistics, Databases, etc. 
Paper Information
Registration To IBISML 
Conference Code 2012-03-IBISML 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Matrix and Tensor Factorization with Aggregated Observations 
Sub Title (in English)  
Keyword(1) Matrix factorization  
Keyword(2) Tensor decomposition  
1st Author's Name Yoshifumi Aimoto  
1st Author's Affiliation The University of Tokyo (Univ. of Tokyo)
2nd Author's Name Hisashi Kashima  
2nd Author's Affiliation The University of Tokyo (Univ. of Tokyo)
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Date Time 2012-03-13 14:40:00 
Presentation Time 25 
Registration for IBISML 
Paper # IEICE-IBISML2011-103 
Volume (vol) IEICE-111 
Number (no) no.480 
Page pp.109-116 
#Pages IEICE-8 
Date of Issue IEICE-IBISML-2012-03-05 

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