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Paper Abstract and Keywords
Presentation 2019-08-29 15:35
Using word co-occurrences for visualizing research trends
Marie Katsurai (Doshisha Univ.), Shunsuke Ono (Tokyo Institute of Tech.) SIP2019-43
Abstract (in Japanese) (See Japanese page) 
(in English) Word co-occurrence statistics have been widely used to provide insight into the topic evolution in an arbitrary research field. To effectively visualize research trends using a set of academic papers, we present a methodology that highlights the rapid changes of co-occurrences over time. Specifically, we formulate a convex optimization framework that decomposes the matrix representing word co-occurrences into a smooth part and a sparse part: the former represents stationary research topics, while the latter corresponds to bursty research topics. In addition, to facilitate the understanding of research content, we present a new function that classifies each word into ``method-related'' or ``application target.'' Simulation results on synthetic data demonstrated that our approach achieved the best burst detection performance over four baseline methods. We also showed the effectiveness of our visualization in experiments on papers published in the past 16 years at two international conferences.
Keyword (in Japanese) (See Japanese page) 
(in English) research trend / word co-occurrences / burst detection / science mapping / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 185, SIP2019-43, pp. 23-27, Aug. 2019.
Paper # SIP2019-43 
Date of Issue 2019-08-22 (SIP) 
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. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee SIP  
Conference Date 2019-08-29 - 2019-08-30 
Place (in Japanese) (See Japanese page) 
Place (in English)  
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Paper Information
Registration To SIP 
Conference Code 2019-08-SIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Using word co-occurrences for visualizing research trends 
Sub Title (in English)  
Keyword(1) research trend  
Keyword(2) word co-occurrences  
Keyword(3) burst detection  
Keyword(4) science mapping  
1st Author's Name Marie Katsurai  
1st Author's Affiliation Doshisha University (Doshisha Univ.)
2nd Author's Name Shunsuke Ono  
2nd Author's Affiliation Tokyo Institute of Technology (Tokyo Institute of Tech.)
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Date Time 2019-08-29 15:35:00 
Presentation Time 25 
Registration for SIP 
Paper # SIP2019-43 
Volume (vol) 119 
Number (no) no.185 
Page pp.23-27 
Date of Issue 2019-08-22 (SIP) 

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