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Paper Abstract and Keywords
Presentation 2023-03-15 15:10
Search by topic model to support research of ethnographic materials
Junya Komatsu, Tetsuya Morizumi, Hirotsugu Kinoshita (Kanagawa Univ) SITE2022-56 IA2022-79
Abstract (in Japanese) (See Japanese page) 
(in English) In a text retrieval system, there are three types of retrieval methods: word retrieval, textual relationship retrieval, and ontology retrieval. However, none of these methods can search for the conceptual meaning of a text itself when it appears in the context, in other words, a search similar to the act of reading between the lines (we call this latent text search). In this paper, latent texts are considered as random variables. Latent random variables are probabilistic categories for latent texts, to which the topic model is applied. On the other hand, ontology and probability space are defined to have a corollary relationship with each other, and latent texts are represented by interpreting random variables from the ontology side. In this paper, we propose a model that relates entropic co-occurrences on the probability space side as an ontology. Furthermore, we show the validity of defining co-occurrence as the change in entropy between topics caused by changes in the number of topics in the topic model.
Keyword (in Japanese) (See Japanese page) 
(in English) HIMOJI / ontology / latent random variable / topic model / / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 433, SITE2022-56, pp. 15-20, March 2023.
Paper # SITE2022-56 
Date of Issue 2023-03-08 (SITE, IA) 
ISSN 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 IA SITE IPSJ-IOT  
Conference Date 2023-03-15 - 2023-03-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Maebashi Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Internet and Information Ethics Education, etc. 
Paper Information
Registration To SITE 
Conference Code 2023-03-IA-SITE-IOT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Search by topic model to support research of ethnographic materials 
Sub Title (in English)  
Keyword(1) HIMOJI  
Keyword(2) ontology  
Keyword(3) latent random variable  
Keyword(4) topic model  
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1st Author's Name Junya Komatsu  
1st Author's Affiliation Graduate School of Kanagawa University (Kanagawa Univ)
2nd Author's Name Tetsuya Morizumi  
2nd Author's Affiliation Kanagawa University (Kanagawa Univ)
3rd Author's Name Hirotsugu Kinoshita  
3rd Author's Affiliation Kanagawa University (Kanagawa Univ)
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Speaker Author-1 
Date Time 2023-03-15 15:10:00 
Presentation Time 25 minutes 
Registration for SITE 
Paper # SITE2022-56, IA2022-79 
Volume (vol) vol.122 
Number (no) no.433(SITE), no.434(IA) 
Page pp.15-20 
#Pages
Date of Issue 2023-03-08 (SITE, IA) 


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