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Paper Abstract and Keywords
Presentation 2011-02-22 11:25
A note on visualization of user preference based on purchase data analysis
Hirotsugu Kohtani, Takahiro Ogawa, Miki Haseyama (Hokkaido Univ.) ITS2010-55 IE2010-130
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes a visualization method of user sets' preferences by analyzing purchase data. In this method, feature vectors are calculated by using pairs of products purchased at the same time. Furthermore, by comparing user sets which are classfi ed in advance to the other user sets, diff erences of the preferences between diff erent user sets are represented. In addition, we analyze purchase data based on Bag-of-Words. Therefore, even if we cannot obtain enough a user's purchase data, we are able to extract the user's preference by utilizing purchase data of user set which the user is belong to. Furthermore, we apply multidimensional scaling to feature vectors which represent the preferences of user sets. Consequently, the visualization of the user set's preference is realized eff ectively.
Keyword (in Japanese) (See Japanese page) 
(in English) purchase data / user preference / visualization / data analysis / Bag of Words / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 421, IE2010-130, pp. 199-202, Feb. 2011.
Paper # IE2010-130 
Date of Issue 2011-02-14 (ITS, IE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction
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. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee ITS IE ITE-AIT ITE-HI ITE-ME  
Conference Date 2011-02-21 - 2011-02-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To IE 
Conference Code 2011-02-ITS-IE-AIT-HI-ME 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A note on visualization of user preference based on purchase data analysis 
Sub Title (in English)  
Keyword(1) purchase data  
Keyword(2) user preference  
Keyword(3) visualization  
Keyword(4) data analysis  
Keyword(5) Bag of Words  
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1st Author's Name Hirotsugu Kohtani  
1st Author's Affiliation Hokkaido University (Hokkaido Univ.)
2nd Author's Name Takahiro Ogawa  
2nd Author's Affiliation Hokkaido University (Hokkaido Univ.)
3rd Author's Name Miki Haseyama  
3rd Author's Affiliation Hokkaido University (Hokkaido Univ.)
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Speaker Author-1 
Date Time 2011-02-22 11:25:00 
Presentation Time 25 minutes 
Registration for IE 
Paper # ITS2010-55, IE2010-130 
Volume (vol) vol.110 
Number (no) no.420(ITS), no.421(IE) 
Page pp.199-202 
#Pages
Date of Issue 2011-02-14 (ITS, IE) 


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